Cited by 1,137Action Observation and SynchronizationNeuroendocrine regulation and behaviorEvolutionary Psychology and Human Behavior

Empathy: Gender effects in brain and behavior

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Christov-Moore, Leonardo, Simpson, Elizabeth A., Coudé, Gino, Grigaityte, Kristina, Iacoboni, Marco, Ferrari, Pier Francesco·2014·Neuroscience & Biobehavioral Reviews

Abstract

Evidence suggests that there are differences in the capacity for empathy between males and females. However, how deep do these differences go? Stereotypically, females are portrayed as more nurturing and empathetic, while males are portrayed as less emotional and more cognitive. Some authors suggest that observed gender differences might be largely due to cultural expectations about gender roles. However, empathy has both evolutionary and developmental precursors, and can be studied using implicit measures, aspects that can help elucidate the respective roles of culture and biology. This article reviews evidence from ethology, social psychology, economics, and neuroscience to show that there are fundamental differences in implicit measures of empathy, with parallels in development and evolution. Studies in nonhuman animals and younger human populations (infants/children) offer converging evidence that sex differences in empathy have phylogenetic and ontogenetic roots in biology and are not merely cultural byproducts driven by socialization. We review how these differences may have arisen in response to males' and females' different roles throughout evolution. Examinations of the neurobiological underpinnings of empathy reveal important quantitative gender differences in the basic networks involved in affective and cognitive forms of empathy, as well as a qualitative divergence between the sexes in how emotional information is integrated to support decision making processes. Finally, the study of gender differences in empathy can be improved by designing studies with greater statistical power and considering variables implicit in gender (e.g., sexual preference, prenatal hormone exposure). These improvements may also help uncover the nature of neurodevelopmental and psychiatric disorders in which one sex is more vulnerable to compromised social competence associated with impaired empathy.

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  • There is some empathy between couples in a stable marriage, and if one of them lacks the desired creative power, they have difficulty understanding each other's experiences.

    “There is some empathy between couples in a stable marriage, and if one of them lacks the desired creative power, they have difficulty understanding each other's experiences [12, 13].”

    From Effectiveness of Acceptance and Commitment Therapy on Anxiety, Cognitive Avoidance, and Empathy of Couples Visiting Counseling Centers in Ahvaz City, Iran (2021) · cites this paper as [12]

    The Introduction defines empathy as understanding and sharing others’ internal states, but does not address empathy between spouses in a stable marriage or link difficulty understanding a partner to a lack of creative power. Searches for marriage, couples, creativity, and imagination found no passage making that claim. (LLM, conf=0.74)

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  1. Alaerts K Nackaerts E Meyns P Swinnen SP Wenderoth N 2011 Action and emotion recognition from point light displays: an investigation of gender differences PLoS One 6 6 e20989 http://dx.doi.org/10.1371/journal.pone.0020989 21695266 PMC3111458 · DOI
  2. Alexander GM Hines M 2002 Sex differences in response to children’s toys in nonhuman primates (Cercopithecus aethiops sabaeus) Evol Hum Behav 23 6 467 479 http://dx.doi.org/10.1016/S1090-5138(02)00107-1 · DOI
  3. Alexander GM Wilcox T 2012 Sex differences in early infancy Child Dev Perspect 6 4 400 406 http://dx.doi.org/10.1111/j.1750-8606.2012.00247.x · DOI
  4. Anderson JR Myowa-Yamakoshi M Matsuzawa T 2004 Contagious yawning in chimpanzees Biol Lett 271 468 470 PMC1810104 15801606
  5. Auyeung B Allison C Wheelwright S Baron-Cohen S 2012 Brief report: development of the adolescent empathy and systemizing quotients J Autism Dev Disord 42 10 2225 2235 http://dx.doi.org/10.1007/s10803-012-1454-7 22350450 · DOI
  6. Avenanti A Bolognini N Maravita A Aglioti SM 2007 Somatic and motor components of action simulation Curr Biol 17 2129 2135 18083517
  7. Aziz-Zadeh L Maeda F Zaidel E Mazziotta J Iacoboni M 2002 Lateralization in motor facilitation during action observation: a TMS study Exp Brain Res 144 127 131 11976767
  8. Aziz-Zadeh L Iacoboni M Zaidel E Wilson S Mazziotta J 2004 Left hemisphere motor facilitation in response to manual action sounds Eur J Neurosci 19 2609 2612 15128415
  9. Babchuk WA Hames RB Thompson RA 1985 Sex differences in the recognition of infant facial expressions of emotion: the primary caretaker hypothesis Ethol Sociobiol 6 2 89 101 http://dx.doi.org/10.1016/0162-3095(85)90002-0 · DOI
  10. Barnett MA King LM Howard JA Dino GA 1980 Empathy in young children: relation to parents’ empathy, affection, and emphasis on the feelings of others Dev Psychol 16 3 243 244 http://dx.doi.org/10.1037/0012-1649.16.3.243 · DOI
  11. Baron-Cohen S 2002 The extreme male brain theory of autism Trends Cogn Sci 6 6 248 254 http://dx.doi.org/10.1016/S1364-6613(02)01904-6 12039606 · DOI · Paper page
  12. Baron-Cohen S O’Riordan M Jones R Stone V Plaisted K 1999 A new test of social sensitivity: detection of faux pas in normal children and children with Asperger syndrome J Autism Dev Disord 29 407 418 10587887
  13. Baron-Cohen S Knickmeyer RC Belmonte MK 2005 Sex differences in the brain: implications for explaining autism Science 310 5749 819 823 16272115
  14. Beadle JN Paradiso S Kovach C Polgreen L Denburg NL Tranel D 2012 Effects of age-related differences in empathy on social economic decision-making Int Psychogeriatr 4 5 822 833 http://dx.doi.org/10.1017/S1041610211002547 PMC3547629 22237008 · DOI
  15. Ben-Ami Bartal I Decety J Mason P 2011 Empathy and pro-social behavior in rats Science 334 6061 1427 1430 http://dx.doi.org/10.1126/science.1210789 22158823 PMC3760221 · DOI · Paper page
  16. Bernhardt BC Singer T 2012 The neural basis of empathy Annu Rev Neurosci 35 1 23 http://dx.doi.org/10.1146/annurev-neuro-062111-150536 22715878 · DOI · Paper page
  17. Blair RJ 1995 A cognitive developmental approach to morality: investigating the psychopath Cognition 57 1 29 7587017
  18. Blanck PD Rosenthal R Snodgrass SE DePaulo BM Zuckerman M 1981 Sex differences in eavesdropping on nonverbal cues: developmental changes J Pers Soc Psychol 41 2 391 396 http://dx.doi.org/10.1037/0022-3514.41.2.391 · DOI
  19. Bohl V van den Bos W 2012 Toward an integrative account of social cognition: marrying theory of mind and interactionism to study the interplay of type 1 and type 2 processes Front Hum Neurosci 6 274 http://dx.doi.org/10.3389/fnhum.2012.00274 23087631 PMC3468956 · DOI
  20. Bosacki S Wilde Astington J 1999 Theory of mind in preadolescence: relations between social understanding and social competence Soc Dev 8 2 237 255 http://dx.doi.org/10.1111/1467-9507.00093 · DOI
  21. Brehm SS Powell LK Coke JS 1984 The effects of empathic instructions upon donating behavior: sex differences in young children Sex Roles 10 5–6 405 416 http://dx.doi.org/10.1007/BF00287557 · DOI
  22. Bryant BK 1982 An index of empathy for children and adolescents Child Dev 53 2 413 425 http://dx.doi.org/10.2307/1128984 · DOI
  23. Buck R 1975 Nonverbal communication of affect in children J Pers Soc Psychol 31 4 644 653 http://dx.doi.org/10.1037/h0077071 1159612 · DOI
  24. Bull AJ Burbage SE Crandall JE Fletcher CI Lloyd JT Ravneberg RL Rockett SL 1972 Effects of noise and intolerance of ambiguity upon attraction for similar and dissimilar others J Soc Psychol 88 1 151 152 4651308
  25. Campbell MW Carter JD Proctor D Eisenberg ML de Waal FB 2009 Computer animations stimulate contagious yawning in chimpanzees Proc R Soc Lond, Ser B: Biol Sci 276 1676 4255 4259 http://dx.doi.org/10.1098/rspb.2009.1087 PMC2821339 19740888 · DOI
  26. Carr L Iacoboni M Dubeau MC Mazziotta JC Lenzi GL 2003 Neural mechanisms of empathy in humans: a relay from neural systems for imitation to limbic areas Proc Natl Acad Sci 100 9 5497 5502 http://dx.doi.org/10.1073/pnas.0935845100 12682281 PMC154373 · DOI · Paper page
  27. Caspers S Zilles K Laird AR Eickhoff SB 2010 ALE meta-analysis of action observation and imitation in the human brain NeuroImage 50 1148 1167 20056149 PMC4981639
  28. Catherine NL Schonert-Reichl KA 2011 Children’s perceptions and comforting strategies to infant crying: relations to age, sex, and empathy-related responding Br J Dev Psychol 29 Pt 3 524 551 http://dx.doi.org/10.1348/026151010X521475 21848745 · DOI
  29. Charlesworth WR Dzur C 1987 Gender comparisons of preschoolers’ behavior and resource utilization in group problem-solving Child Dev 58 191 200 3816344
  30. Charman T Ruffman T Clements W 2002 Is there a gender difference in false belief development? Soc Dev 11 1 1 10 http://dx.doi.org/10.1111/1467-9507.00183 · DOI
  31. Chartrand TL Lakin JL 2013 The antecedents and consequences of human behavioral mimicry Annu Rev Psychol 64 285 308 http://dx.doi.org/10.1146/annurev-psych-113011-143754 23020640 · DOI · Paper page
  32. Chawarska K Macari S Shic F 2013 Decreased spontaneous attention to social scenes in 6-month-old infants later diagnosed with autism spectrum disorders Biol Psychiatry 74 3 195 203 http://dx.doi.org/10.1016/j.biopsych.2012.11.022 23313640 PMC3646074 · DOI · Paper page
  33. Cheng Y Lee PL Yang CY Lin CP Hung D Decety J 2008a Gender differences in the mu rhythm of the human mirror-neuron system PLoS One 3 e2113 18461176 PMC2361218
  34. Cheng Y Yang CY Lin CP Lee PL Decety J 2008b The perception of pain in others suppresses somatosensory oscillations: a magnetoencephalography study Neuroimage 40 1833 1840 18353686
  35. Cheng Y Chou KH Decety J Chen IY Hung D Tzeng OJL Lin CP 2009 Sex differences in the neuroanatomy of human mirror-neuron system: a voxel-based morphometric investigation Neuroscience 159 713 720 http://dx.doi.org/10.1016/j.neuroscience.2008.10.026 19010397 · DOI
  36. Chisholm JS 1996 The evolutionary ecology of attachment organization Hum Nat 7 1 1 37 http://dx.doi.org/10.1007/BF02733488 24203250 · DOI
  37. Cohn LD 1991 3 Sex differences in the course of personality development: a meta-analysis Psychol Bull 109 2 252 266 1827923
  38. Connellan J Baron-Cohen S Wheelwright S Batki A Ahluwalia J 2000 Sex differences in human neonatal social perception Infant Behav Dev 23 1 113 118 http://dx.doi.org/10.1016/S0163-6383(00)00032- · DOI
  39. Cordoni G 2009 Social play in captive wolves (Canis lupus): not only an immature affair Behaviour 146 10 1363 1385 http://dx.doi.org/10.1163/156853909X427722 · DOI
  40. Cowan DG Vanman EJ Nielsen M 2014 Motivated empathy: the mechanics of the empathic gaze Cogn Emotion http://dx.doi.org/10.1080/02699931.2014.890563 (Advance Online Publication) 24568562 · DOI · Paper page
  41. Davila-Ross M Menzler S Zimmermann E 2008 Rapid facial mimicry in orangutan play Biol Lett 4 1 27 30 http://dx.doi.org/10.1098/rsbl.2007.0535 18077238 PMC2412946 · DOI
  42. Davis MH Franzoi SL 1991 Stability and change in adolescent self-consciousness and empathy J Res Pers 25 1 70 87 http://dx.doi.org/10.1016/0092-6566(91)90006-C · DOI
  43. Davis MH Luce C Kraus SJ 1994 The heritability of characteristics associated with dispositional empathy J Pers 62 3 369 391 7965564
  44. De Vignemont F Singer T 2006 The empathic brain: how, when and why? Trends Cogn Sci 10 10 435 441 http://dx.doi.org/10.1016/j.tics.2006.08.008 16949331 · DOI
  45. de Waal FBM 1989 Peacemaking among Primates Harvard University Press
  46. de Waal FB Suchak M 2010 Prosocial primates: selfish and unselfish motivations Philos Trans R Soc B: Biol Sci 365 1553 2711 2722 http://dx.doi.org/10.1098/rstb.2010.0119 PMC2936169 20679114 · DOI
  47. Decety J Jackson PL 2006 A social–neuroscience perspective on empathy Curr Dir Psychol Sci 15 2 54 58 http://dx.doi.org/10.1111/j.0963-7214.2006.00406.x · DOI
  48. Demuru E Palagi E 2012 In bonobos yawn contagion is higher among kin and friends PLoS One 7 11 e49613 http://dx.doi.org/10.1371/journal.pone.0049613 23166729 PMC3498209 · DOI
  49. Derntl B Hack RL Kryspin-Exner I Habel U 2013 Association of menstrual cycle phase with the core components of empathy Horm Behav 63 1 97 104 http://dx.doi.org/10.1016/j.yhbeh.2012.10.009 23098806 PMC3549494 · DOI
  50. Deschamps PKH Coppes L Kenemans JL Schutter DJLG Matthys W 2013 Electromyographic responses to emotional facial expressions in 6–7 year olds with autism spectrum disorders J Autism Dev Disord http://dx.doi.org/10.1007/s10803-013-1890-z (Advance Online Publication) 23888357 · DOI
  51. Di Pellegrino G Fadiga L Fogassi L Gallese V Rizzolatti G 1992 Understanding motor events: a neurophysiological study Exp Brain Res 91 1 176 180 1301372
  52. Dimberg U Lundquist LO 1990 Gender differences in facial reactions to facial expressions Biol Psychol 30 151 159 2285765
  53. Dimberg U Thunberg M 2012 Empathy, emotional contagion, and rapid facial reactions to angry and happy facial expressions PsyCh J 1 2 118 127 http://dx.doi.org/10.1002/pchj.4 26272762 · DOI
  54. Dimberg U Andréasson P Thunberg M 2011 Emotional empathy and facial reactions to facial expressions J Psychophysiol 25 1 26 http://dx.doi.org/10.1027/0269-8803/a000029 · DOI
  55. Dodge K 1980 Social cognition and children’s aggressive behaviour Child Dev 51 162 170 7363732
  56. Dondi M Simion F Caltran G 1999 Can newborns discriminate between their own cry and the cry of another newborn infant? Dev Psychol 35 418 426 10082012
  57. Donges US Kersting A Suslow T 2012 Women’s greater ability to perceive happy facial emotion automatically: gender differences in affective priming PLoS One 7 7 e41745 22844519 PMC3402412
  58. Drayton LA Santos LR 2013 Capuchins’ (Cebus apella) sensitivity to others’ goal-directed actions in a helping context Anim Cogn 17 3 1 12 24146217
  59. Edgar JL Lowe JC Paul ES Nicol CJ 2011 Avian maternal response to chick distress Proc R Soc B: Biol Sci 278 1721 3129 3134 http://dx.doi.org/10.1098/rspb.2010.2701 PMC3158930 21389025 · DOI
  60. Edgar JL Nicol CJ Clark CCA Paul ES 2012 Measuring empathic responses in animals Appl Anim Behav Sci 138 3 182 193 http://dx.doi.org/10.1016/j.applanim.2012.02.006 · DOI
  61. Einolf CJ 2011 Gender differences in the correlates of volunteering and charitable giving Nonprofit Volunt Sect Q 40 6 1092 1112 http://dx.doi.org/10.1177/0899764010385949 · DOI
  62. Eisenberg N Fabes RA Bustamante D Mathy RM Miller PA Lindholm E 1988 Differentiation of vicariously induced emotional reactions in children Dev Psychol 24 2 237 http://dx.doi.org/10.1037/0012-1649.24.2.237 · DOI
  63. Eisenberg N Fabes RA Schaller M Miller PA 1989 Sympathy and personal distress: development, gender differences, and interrelations of indexes N Direct Child Adolesc Dev 1989 44 107 126 http://dx.doi.org/10.1002/cd.23219894408 2671804 · DOI
  64. Eisenberg N Guthrie IK Murphy BC Shepard SA Cumberland A Carlo G 1999 Consistency and development of prosocial dispositions: a longitudinal study Child Dev 70 1360 1372 10621961
  65. Eisenberg N Hofer C Sulik MJ Liew J 2014 The development of prosocial moral reasoning and a prosocial orientation in young adulthood: concurrent and longitudinal correlates Dev Psychol 50 1 58 70 http://dx.doi.org/10.1037/a0032990 23731289 · DOI
  66. Eppley TM Suchak M Crick J de Waal FB 2013 Perseverance and food sharing among closely affiliated female chimpanzees Primates 54 4 319 324 http://dx.doi.org/10.1007/s10329-013-0374-2 23892443 · DOI
  67. Fadiga L Fogassi L Pavesi G Rizzolatti G 1995 Motor facilitation during action observation: a magnetic stimulation study J Neurophysiol 73 2608 2611 7666169
  68. Feingold A 1994 Gender differences in personality: a meta-analysis Psychol Bull 116 3 429 456 7809307
  69. Ferrari PF 2014 The neuroscience of social relations: a comparative-based approach to empathy and to the capacity of evaluating others’ action value Behaviour 151 297 313 25258451 PMC4172363
  70. Ferrari PF Gallese V Rizzolatti G Fogassi L 2003 Mirror neurons responding to the observation of ingestive and communicative mouth actions in the ventral premotor cortex Eur J Neurosci 17 8 1703 1714 12752388
  71. Ferrari PF Paukner A Ionica C Suomi SJ 2009 Reciprocal face-to-face communication between Rhesus macaque mothers and their newborn infants Curr Biol 19 20 1768 1772 http://dx.doi.org/10.1016/j.cub.2009.08.055 19818617 PMC2784245 · DOI
  72. Feshbach ND 1982 Sex differences in empathy and social behavior in children Eisenberg N The Development of Prosocial Behavior Academic Press New York, NY 315 330
  73. Feshbach ND Roe K 1968 Empathy in six- and seven-year-olds Child Dev 39 1 133 145 http://dx.doi.org/10.2307/1127365 5645790 · DOI
  74. Field TM Woodson R Greenberg R Cohen D 1982 Discrimination and imitation of facial expression by neonates Science 218 179 181 (Sagi & Hoffman, 1976) 7123230
  75. Fraser ON Bugnyar T 2010 Do ravens show consolation? Responses to distressed others PLoS One 5 e10605 20485685 PMC2868892
  76. Galinsky AD Maddux WW Gilin D White JB 2008 Why it pays to get inside the head of your opponent the differential effects of perspective taking and empathy in negotiations Psychol Sci 19 4 378 384 http://dx.doi.org/10.1111/j.1467-9280.2008.02096.x 18399891 · DOI
  77. Gallese V Fadiga L Fogassi L Rizzolatti G 1996 Action recognition in the pre-motor cortex Brain: J Neurol 119 593 609 8800951
  78. Gardner MR Sorhus I Edmonds CJ Potts R 2012 Sex differences in components of imagined perspective transformation Acta Psychol 140 1 1 6 http://dx.doi.org/10.1016/j.actpsy.2012.02.002 22426425 · DOI
  79. Geary DC 1998 Male, Female: The Evolution of Human Sex Differences American Psychological Association Washington 555 http://dx.doi.org/10.1037/10370-000 · DOI
  80. Gillespie SM McCleery JP Oberman LM 2014 Spontaneous versus deliberate vicarious representations: different routes to empathy in psychopathy and autism Brain http://dx.doi.org/10.1093/brain/awt364 (Advance Online Publication) 24477432 · DOI
  81. Gleichgerrcht E Decety J 2013 Empathy in clinical practice: how individual dispositions, gender, and experience moderate empathic concern, burnout, and emotional distress in physicians PLoS One 8 4 e61526 http://dx.doi.org/10.1371/journal.pone.0061526 23620760 PMC3631218 · DOI
  82. Goldberg S Lewis M 1969 Play behavior in the year-old infant: early sex differences Child Dev 40 21 31 5787704
  83. Gonzalez-Liencres C Shamay-Tsoory SG Brüne M 2013 Towards a neuroscience of empathy: ontogeny, phylogeny, brain mechanisms, context and psychopathology Neurosci Biobehav Rev 37 8 1537 1548 http://dx.doi.org/10.1016/j.neubiorev.2013.05.001 23680700 · DOI
  84. Groen Y Wijers AA Tucha O Althaus M 2013 Are there sex differences in ERPs related to processing empathy-evoking pictures? Neuropsychologia 51 1 142 155 http://dx.doi.org/10.1016/j.neuropsychologia.2012.11.012 23174404 · DOI
  85. Gu X Han S 2007 Attention and reality constraints on the neural processes of empathy for pain NeuroImage 36 256 267 http://dx.doi.org/10.1016/j.neuroimage.2007.02.025 17400480 · DOI · Paper page
  86. Gunnar MR Donahue M 1980 Sex differences in social responsiveness between six months and twelve months Child Dev 51 262 265 7363740
  87. Guo X Zheng L Zhang W Zhu L Li J Wang Q Dienes Z Yang Z 2012 Empathic neural responses to others’ pain depend on monetary reward Soc Cogn Affect Neurosci 7 535 541 http://dx.doi.org/10.1093/scan/nsr034 21737435 PMC3375886 · DOI
  88. Hall JA 1978 Gender effects in decoding nonverbal cues Psychol Bull 85 4 845 858 http://dx.doi.org/10.1037/0033-2909.85.4.845 · DOI
  89. Hall JA 1984 Nonverbal Sex Differences: Communication Accuracy and Expressive Style The John Hopkins University Press Baltimore, MD
  90. Hall JA 1990 Nonverbal Sex Differences: Accuracy of Communication and Expressive Style Johns Hopkins University Press Baltimore, MD
  91. Hall JK Hutton SB Morgan MJ 2010 Sex differences in scanning faces: does attention to the eyes explain female superiority in facial expression recognition? Cogn Emotion 24 4 629 637 http://dx.doi.org/10.1080/02699930902906882 · DOI
  92. Hamilton ML 1973 Imitative behavior and expressive ability in facial expression of emotion Dev Psychol 8 1 138 http://dx.doi.org/10.1037/h0033830 · DOI
  93. Hampson E van Anders SM Mullin LI 2006 A female advantage in the recognition of emotional facial expressions: test of an evolutionary hypothesis Evol Hum Behav 27 6 401 416 http://dx.doi.org/10.1016/j.evolhumbehav.2006.05.002 · DOI
  94. Han S Fan Y Mao L 2008 Gender difference in empathy for pain: an electrophysiological investigation Brain Res 1196 85 93 18221733
  95. Hari R Forss N Avikainen S Kirveskari E Salenius S Rizzolatti G 1998 Activation of human primary motor cortex during action observation: a neuromagnetic study Proc Natl Acad Sci USA 95 15061 15065 9844015 PMC24575
  96. Hassett JM Siebert ER Wallen K 2008 Sex differences in rhesus monkey toy preferences parallel those of children Horm Behav 54 3 359 364 http://dx.doi.org/10.1016/j.yhbeh.2008.03.008 18452921 PMC2583786 · DOI
  97. Hatcher R Hatcher S Berlin M Okla K Richards J 1990 Psychological minded-ness and abstract reasoning in late childhood and adolescence: an exploration using new instruments J Youth Adolesc 19 4 307 326 24272530
  98. Hatfield E Cacioppo JT Rapson RL 1992 Primitive emotional contagion. Review of personality and social psychology Emotions and Social Behavior 14 Sage Newbury Park, CA 151 177
  99. Hawk ST Keijsers L Branje SJ Graaff JVD Wied MD Meeus W 2013 Examining the interpersonal reactivity index (IRI) among early and late adolescents and their mothers J Pers Assess 95 1 96 106 http://dx.doi.org/10.1080/00223891.2012.696080 22731809 · DOI
  100. Hein G Silani G Preuschoff K Batson CD Singer T 2010 Neural responses to ingroup and outgroup members’ suffering predict individual differences in costly helping Neuron 68 1 149 160 20920798
  101. Heiser M Iacoboni M Maeda F Marcus J Mazziotta JC 2003 The essential role of Broca’s area in imitation Eur J Neurosci 17 1123 1128 12653990
  102. Hines M 2008 Early androgen influences on human neural and behavioural development Early Hum Dev 84 805 807 18938049 PMC2778237
  103. Hoffman ML 1977 Sex differences in empathy and related behaviors Psychol Bull 84 4 712 http://dx.doi.org/10.1037/0033-2909.84.4.712 897032 · DOI
  104. Hogeveen J Inzlicht M Obhi SS 2014 Power changes how the brain responds to others J Exp Psychol: Gen 143 2 755 762 23815455
  105. Horner V Carter JD Suchak M de Waal FB 2011 Spontaneous prosocial choice by chimpanzees Proc Natl Acad Sci 108 33 13847 13851 http://dx.doi.org/10.1073/pnas.1111088108 21825175 PMC3158226 · DOI
  106. Hughes C Jaffee SR Happé F Taylor A Caspi A Moffitt TE 2005 Origins of individual differences in theory of mind: from nature to nurture? Child Dev 76 2 356 370 http://dx.doi.org/10.1111/j.1467-8624.2005.00850_a.x 15784087 · DOI
  107. Hutchison WD Davis KD Lozano AM Tasker RR Dostrovsky JO 1999 Pain-related neurons in the human cingulate cortex Nat Neurosci 2 5 403 405 10321241
  108. Iacoboni M 2005 Neural mechanisms of imitation Curr Opin Neurobiol 15 6 632 637 16271461
  109. Iacoboni M Dapretto M 2006 The mirror neuron system and the consequences of its dysfunction Nat Rev Neurosci 7 942 951 17115076
  110. Ibanez A Huepe D Gempp R Gutiérrez V Rivera-Rei A Toledo MI 2013 Empathy, sex and fluid intelligence as predictors of theory of mind Pers Individ Differ 54 5 616 621 http://dx.doi.org/10.1016/j.paid.2012.11.022 · DOI
  111. Ickes W Gesn PR Graham T 2000 Gender differences in empathic accuracy: differential ability or differential motivation? Pers Relat 7 1 95 109 http://dx.doi.org/10.1111/j.1475-6811.2000.tb00006.x · DOI
  112. Jaffee S Hyde JS 2000 Gender differences in moral orientation: a meta-analysis Psychol Bull 126 5 703 726 http://dx.doi.org/10.1037/0033-2909.126.5.703 10989620 · DOI
  113. Jolliffe D Farrington DP 2006 Development and validation of the basic empathy scale J Adolesc 29 589 611 16198409
  114. Jones BC DeBruine LM Little AC Burriss RP Feinberg DR 2007 Social transmission of face preferences among humans Proc Biol Sci R Soc 274 1611 899 903 http://dx.doi.org/10.1098/rspb.2006.0205 PMC2093971 17251104 · DOI
  115. Kahlenberg SM Wrangham RW 2010 Sex differences in chimpanzees’ use of sticks as play objects resemble those of children Curr Biol 20 24 R1067 R1068 http://dx.doi.org/10.1016/j.cub.2010.11.024 21172622 · DOI
  116. Kevrekidis P Skapinakis P Damigos D Mavreas V 2008 Adaptation of the emotional contagion scale (ECS) and gender differences within the Greek cultural context Ann Gen Psychiatry 7 14 http://dx.doi.org/10.1186/1744-859X-7-14 18718010 PMC2533309 · DOI
  117. Keysers C Gazzola V 2014 Dissociating the ability and propensity for empathy Trends Cogn Sci http://dx.doi.org/10.1016/j.tics.2013.12.011 (Advance Online Publication) PMC4560165 24484764 · DOI
  118. Keysers C Meffert H Gazzola V 2014 Reply: spontaneous versus deliberate vicarious representations: different routes to empathy in psychopathy and autism Brain http://dx.doi.org/10.1093/brain/awt376 (Advance Online Publication) PMC3959551 24501095 · DOI
  119. Knafo A Zahn-Waxler C Van Hulle C Robinson JL Rhee SH 2008 The developmental origins of a disposition toward empathy: genetic and environmental contributions Emotion 8 737 752 http://dx.doi.org/10.1037/a0014179 19102585 · DOI
  120. Knickmeyer R Baron-Cohen S Raggatt P Taylor K Hackett G 2006 Fetal testosterone and empathy Horm Behav 49 282 292 16226265
  121. Knoch D Pascual-Leone A Meyer K Treyer V Fehr E 2006 Diminishing reciprocal fairness by disrupting the right prefrontal cortex Science (New York, NY) 314 829 832 17023614
  122. Koestner R Franz C Weinberger J 1990 The family origins of empathic concern: a 26-year longitudinal study J Pers Soc Psychol 58 709 717 2348366
  123. Kohler E Keysers C Umiltà MA Fogassi L Gallese V Rizzolatti G 2002 Hearing sounds, understanding actions: action representation in mirror neurons Science 297 5582 846 848 http://dx.doi.org/10.1126/science.1070311 12161656 · DOI · Paper page
  124. Kret ME De Gelder B 2012 A review on sex differences in processing emotional signals Neuropsychologia 50 7 1211 1221 http://dx.doi.org/10.1016/j.neuropsychologia.2011.12.022 22245006 · DOI · Paper page
  125. Krüger S Sokolov AN Enck P Krägeloh-Mann I Pavlova MA 2013 Emotion through locomotion: gender impact PLoS One 8 e81716 24278456 PMC3838416
  126. Lam CB Solmeyer AR McHale SM 2012 Sibling relationships and empathy across the transition to adolescence J Youth Adolesc 41 12 1657 1670 http://dx.doi.org/10.1007/s10964-012-9781-8 22714744 PMC3493674 · DOI
  127. Langford DJ Crager SE Shehzad Z Smith SB Sotocinal SG Levenstadt JS 2006 Social modulation of pain as evidence for empathy in mice Science 312 5782 1967 1970 http://dx.doi.org/10.1126/science.1128322 16809545 · DOI · Paper page
  128. Langford DJ Tuttle AH Brown K Deschenes S Fischer DB Mutso A 2010 Social approach to pain in laboratory mice Soc Neurosci 5 2 163 170 http://dx.doi.org/10.1080/17470910903216609 19844845 · DOI · Paper page
  129. Levenson RW Ruef AM 1992 Empathy: a physiological substrate J Pers Soc Psychol 63 2 234 246 http://dx.doi.org/10.1037/0022-3514.63.2.234 1403614 · DOI · Paper page
  130. Levine LE Hoffman ML 1975 Empathy and cooperation in 4-year-olds Dev Psychol 11 4 533 534 http://dx.doi.org/10.1037/h0076680 · DOI
  131. Lewis GJ Bates TC 2011 A common heritable factor influences prosocial obligations across multiple domains Biol Lett 7 4 567 570 http://dx.doi.org/10.1098/rsbl.2010.1187 21307044 PMC3130221 · DOI
  132. Li NP Bailey JM Kenrick DT Linsenmeier JA 2002 The necessities and luxuries of mate preferences: testing the tradeoffs J Pers Soc Psychol 82 6 947 955 http://dx.doi.org/10.1037/0022-3514.82.6.947 12051582 · DOI
  133. Liebal K Vaish A Haun D Tomasello M 2014 Does sympathy motivate prosocial behaviour in great apes? PLoS One 9 1 e84299 http://dx.doi.org/10.1371/journal.pone.0084299 24416212 PMC3885567 · DOI
  134. Liew SL Han S Aziz-Zadeh L 2011 Familiarity modulates mirror neuron and mentalizing regions during intention understanding Hum Brain Mapp 32 11 1986 1997 20882581 PMC6870503
  135. Loewenstein G 2005 Hot-cold empathy gaps and medical decision making Health Psychol 24 4S S49 S56 http://dx.doi.org/10.1037/0278-6133.24.4.S49 16045419 · DOI
  136. Loggia ML Mogil JS Bushnell MC 2008 Empathy hurts: compassion for another increases both sensory and affective components of pain perception Pain 136 1–2 168 176 17822850
  137. Lundqvist LO 1995 Facial EMG reactions to facial expressions: a case of facial emotional contagion? Scand J Psychol 36 2 130 141 7644897
  138. Lutchmaya S Baron-Cohen S 2002 Human sex differences in social and non-social looking preferences, at 12 months of age Inf Behav Dev 25 3 319 325 http://dx.doi.org/10.1016/S0163-6383(02)00095-4 · DOI
  139. Ma Y Wang C Han S 2011 Neural responses to perceived pain in others predict real-life monetary donations in different socioeconomic contexts NeuroImage 57 3 1273 1280 21596143
  140. Maestripieri D 1994 Social structure, infant handling, and mothering styles in group-living Old World monkeys Int J Primatol 15 4 531 553 http://dx.doi.org/10.1007/BF02735970 · DOI
  141. Maestripieri D 2003 Attachment Maestripieri D Primate Psychology Harvard University Press Cambridge, MA 108 143
  142. Maestripieri D Wallen K 1997 Affiliative and submissive communication in rhesus macaques Primates 38 2 127 138 http://dx.doi.org/10.1007/BF02382003 · DOI · Paper page
  143. Magen E Konasewich PA 2011 Women support providers are more susceptible than men to emotional contagion following brief supportive interactions Psychol Women Q 35 4 611 616 http://dx.doi.org/10.1177/0361684311423912 · DOI
  144. Mancini G Ferrari PF Palagi E 2013 Rapid facial mimicry in geladas Sci Rep 3 1527 http://dx.doi.org/10.1038/srep01527 23538990 PMC3610402 · DOI
  145. Manning JT Heaton R Chamberlain AT 1994 Left-side cradling: similarities and differences between apes and humans J Hum Evol 26 1 77 83 http://dx.doi.org/10.1006/jhev.1994.1005 · DOI
  146. Martin RD MacLarnon AM 1985 Gestation period, neonatal size and maternal investment in placental mammals Nature 313 220 223 http://dx.doi.org/10.1038/313220a0 · DOI
  147. Masten CL Morelli SA Eisenberger NI 2011 An fMRI investigation of empathy for ‘social pain’ and subsequent prosocial behavior NeuroImage 55 1 381 388 http://dx.doi.org/10.1016/j.neuroimage.2010.11.060 21122817 · DOI
  148. Matsuzawa T 2007 Comparative cognitive development Dev Sci 10 1 97 103 http://dx.doi.org/10.1111/j.1467-7687.2007.00570.x 17181706 · DOI
  149. Mayes LC Carter AS 1990 Emerging social regulatory capacities as seen in the still-face situation Child Dev 61 754 763 2364750
  150. McClure EB 2000 A meta-analytic review of sex differences in facial expression processing and their development in infants, children, and adolescents Psychol Bull 126 3 424 453 http://dx.doi.org/10.1037/0033-2909.126.3.424 10825784 · DOI · Paper page
  151. McDonald NM Messinger DS 2011 The development of empathy: how, when, and why Acerbi A Lombo JA Sanguineti JJ Free will, Emotions, and Moral Actions: Philosophy and Neuroscience in Dialogue IF-Press Vatican City
  152. McIntosh DN Reichmann-Decker A Winkielman P Wilbarger JL 2006 When the social mirror breaks: deficits in automatic, but not voluntary, mimicry of emotional facial expressions in autism Dev Sci 9 3 295 302 http://dx.doi.org/10.1111/j.1467-7687.2006.00492.x 16669800 · DOI
  153. Mehrabian A Epstein N 1972 A measure of emotional empathy J Pers 40 525 543 4642390
  154. Mehrabian A Young AL Sato S 1988 Emotional empathy and associated individual differences Curr Psychol 7 3 221 240 http://dx.doi.org/10.1007/BF02686670 · DOI
  155. Mendoza SP Mason WA 1986 Parental division of labour and differentiation of attachments in a monogamous primate (Callicebus moloch) Anim Behav 34 5 1336 1347 http://dx.doi.org/10.1016/S0003-3472(86)80205-6 · DOI
  156. Meneghetti C Pazzaglia F De Beni R 2012 Which spatial abilities and strategies predict males’ and females’ performance in the object perspective test? Cognit Process 13 1 Suppl 267 270 22802042
  157. Mestre MV Samper P Frías MD Tur AM 2009 Are women more empathetic than men? A longitudinal study in adolescence Span J Psychol 12 01 76 83 http://dx.doi.org/10.1017/S1138741600001499 19476221 · DOI
  158. Michalska KJ Kinzler KD Decety J 2013 Age-related sex differences in explicit measures of empathy do not predict brain responses across childhood and adolescence Dev Cogn Neurosci 3 22 32 http://dx.doi.org/10.1016/j.dcn.2012.08.001 23245217 PMC6987715 · DOI
  159. Miklikowska M Duriez B Soenens B 2011 Family roots of empathy-related characteristics: the role of perceived maternal and paternal need support in adolescence Dev Psychol 47 5 1342 http://dx.doi.org/10.1037/a0024726 21767014 · DOI
  160. Montoya ER Terburg D Bos PA Will GJ Buskens V Raub W van Honk J 2013 Testosterone administration modulates moral judgments depending on second-to-fourth digit ratio Psychoneuroendocrinology 38 1362 1369 23290991
  161. Morimoto Y Fujita K 2011 Capuchin monkeys (Cebus apella) modify their own behaviors according to a conspecific’s emotional expressions Primates 52 3 279 286 http://dx.doi.org/10.1007/s10329-011-0249-3 21448599 · DOI
  162. Muthukumaraswamy SD Johnson BW 2004 Changes in rolandic mu rhythm during observation of a precision grip Psychophysiology 41 152 156 http://dx.doi.org/10.1046/j.1469-8986.2003.00129.x 14693010 · DOI
  163. Nagasaka Y Chao ZC Hasegawa N Notoya T Fujii N 2013 Spontaneous synchronization of arm motion between Japanese macaques Sci Rep 3 1151 http://dx.doi.org/10.1038/srep01151 23359601 PMC3556593 · DOI
  164. Nagy E 2006 From imitation to conversation: the first dialogues with human neonates Infant Child Dev 15 223 232 http://dx.doi.org/10.1002/icd.460 · DOI
  165. Nagy E Kompagne H Orvos H Pal A 2007 Gender-related differences in neonatal imitation Infant Child Dev 16 3 267 276 http://dx.doi.org/10.1002/icd.497 · DOI
  166. Nettle D 2007 Empathizing and systemizing: what are they, and what do they contribute to our understanding of psychological sex differences? Br J Psychol 98 237 255 17456271
  167. Niedenthal PM Mermillod M Maringer M Hess U 2010 The simulation of smiles (SIMS) model: embodied simulation and the meaning of facial expression Behav Brain Sci 33 417 433 21211115
  168. Norscia I Palagi E 2011 Yawn contagion and empathy in Homo sapiens PLoS One 6 12 e28472 http://dx.doi.org/10.1371/journal.pone.0028472 22163307 PMC3233580 · DOI
  169. Oberman LM Winkielman P Ramachandran VS 2007 Face to face: blocking facial mimicry can selectively impair recognition of emotional expressions Soc Neurosci 2 3–4 167 178 http://dx.doi.org/10.1080/17470910701391943 18633815 · DOI · Paper page
  170. Oberman LM Winkielman P Ramachandran VS 2009 Slow echo: facial EMG evidence for the delay of spontaneous, but not voluntary, emotional mimicry in children with autism spectrum disorders Dev Sci 12 4 510 520 http://dx.doi.org/10.1111/j.1467-7687.2008.00796.x 19635079 · DOI
  171. Obhi SS 2012 The amazing capacity to read intentions from movement kinematics Front Hum Neurosci 6 162 http://dx.doi.org/10.3389/fnhum.2012.00162 22701411 PMC3370427 · DOI
  172. O’Brien E Konrath SH Grühn D Hagen AL 2013 Empathic concern and perspective taking: linear and quadratic effects of age across the adult life span J Gerontol, Ser B: Psychol Sci Soc Sci 68 2 168 175 http://dx.doi.org/10.1093/geronb/gbs055 22865821 · DOI
  173. Olazábal DE Pereira M Agrati D Ferreira A Fleming AS GonMariscal G 2013 Flexibility and adaptation of the neural substrate that supports maternal behavior in mammals Neurosci Biobehav Rev 37 8 1875 1892 http://dx.doi.org/10.1016/j.neubiorev.2013.04.004 23608126 · DOI · Paper page
  174. Olweus D Endresen IM 1998 The importance of sex-of-stimulus object. Age trends and sex differences in empathic responsiveness Soc Dev 7 3 370 388 http://dx.doi.org/10.1111/1467-9507.00073 · DOI
  175. Pal SK 2008 Maturation and development of social behaviour during early ontogeny in free-ranging dog puppies in West Bengal, India Appl Anim Behav Sci 111 1 95 107 http://dx.doi.org/10.1016/j.applanim.2007.05.016 · DOI
  176. Palagi E Paoli T Tarli SB 2004 Reconciliation and consolation in captive Bonobos (Pan paniscus Am J Primatol 62 15 30 14752810
  177. Palagi E Leone A Mancini G Ferrari PF 2009 Contagious yawning in gelada baboons as a possible expression of empathy Proc Natl Acad Sci 106 46 19262 19267 http://dx.doi.org/10.1073/pnas.0910891106 19889980 PMC2780782 · DOI
  178. Panksepp J Panksepp JB 2013 Toward a cross-species understanding of empathy Trends Neurosci 36 8 489 496 http://dx.doi.org/10.1016/j.tins.2013.04.009 23746460 PMC3839944 · DOI
  179. Pearson A Ropar D de C Hamilton AF 2013 A review of visual perspective taking in autism spectrum disorder Front Hum Neurosci 7 652 http://dx.doi.org/10.3389/fnhum.2013.00652 24115930 PMC3792367 · DOI
  180. Pellegrini AD Smith PK 2005 The Nature of Play: Great Apes and Humans Guilford Press New York, NY
  181. Perry D Walder K Hendler T Shamay-Tsoory SG 2013 The gender you are and the gender you like: sexual preference and empathic neural responses Brain Res 1534 23994213
  182. Platek SM Critton SR Myers TE Gallup GG 2003 Contagious yawning: the role of self-awareness and mental state attribution Cogn Brain Res 17 2237 22 12880893
  183. Plotnik JM de Waal FBM 2014 Asian elephants (Elephas maximus) reassure others in distress Peer J 2 e278 http://dx.doi.org/10.7717/peerj.278 (Advance Online Publication) 24688856 PMC3932735 · DOI · Paper page
  184. Proverbio AM Adorni R Zani A Trestianu L 2009 Sex differences in the brain response to affective scenes with or without humans Neuropsychologia 47 2374 2388 19061906
  185. Ragsdale G Foley RA 2012 Testing the imprinted brain: parent-of-origin effects on empathy and systemizing Evol Hum Behav 33 4 402 410 http://dx.doi.org/10.1016/j.evolhumbehav.2011.12.002 · DOI
  186. Reimert I Bolhuis JE Kemp B Rodenburg TB 2013 Indicators of positive and negative emotions and emotional contagion in pigs Physiol Behav 109 42 50 http://dx.doi.org/10.1016/j.physbeh.2012.11.002 23159725 · DOI
  187. Rennels JL Cummings AJ 2013 Sex differences in facial scanning. Similarities and dissimilarities between infants and adults Int J Behav Dev 37 2 111 117 http://dx.doi.org/10.1177/0165025412472411 25404784 PMC4232961 · DOI
  188. Rizzolatti G Fadiga L Gallese V Fogassi L 1996 Premotor cortex and the recognition of motor actions Brain Res 3 2 131 141 8713554
  189. Romero T Castellanos MA de Waal FB 2010 Consolation as possible expression of sympathetic concern among chimpanzees Proc Natl Acad Sci 107 27 12110 12115 http://dx.doi.org/10.1073/pnas.1006991107 20547864 PMC2901437 · DOI · Paper page
  190. Rosen WD Adamson LB Bakeman R 1992 An experimental investigation of infant social referencing: mothers’ messages and gender differences Dev Psychol 28 6 1172 http://dx.doi.org/10.1037/0012-1649.28.6.1172 · DOI
  191. Rosenblatt JS 2003 Outline of the evolution of behavioral and nonbehavioral patterns of prental care among the vertebrates: critical chracteristics of mammalian and avian parental behavior Scand J Psychol 44 265 271 12914590
  192. Rushton JP 2004 Genetic and environmental contributions to pro-social attitudes: a twin study of social responsibility Proc R Soc Lond, Ser B: Biol Sci 271 1557 2583 2585 http://dx.doi.org/10.1098/rspb.2004.2941 PMC1691905 15615684 · DOI
  193. Russell TA Tchanturia K Rahman Q Schmidt U 2007 Sex differences in theory of mind: a male advantage on Happé’s cartoon task Cogn Emotion 21 7 1554 1564 http://dx.doi.org/10.1080/02699930601117096 · DOI · Paper page
  194. Sato W Fujimura T Kochiyama T Suzuki N 2013 Relationships among facial mimicry, emotional experience, and emotion recognition PLoS One 8 3 e57889 http://dx.doi.org/10.1371/journal.pone.0057889 23536774 PMC3607589 · DOI
  195. Schirmer A Kotz SA 2003 ERP evidence for a sex-specific Stroop effect in emotional speech J Cogn Neurosci 15 8 1135 1148 14709232
  196. Schirmer A Simpson E Escoffier N 2007 Listen up! Processing of intensity change differs for vocal and nonvocal sounds Brain Res 1176 103 112 17900543
  197. Schulte-Rüther M Markowitsch HJ Shah NJ Fink GR Piefke M 2008 Gender differences in brain networks supporting empathy NeuroImage 42 393 403 http://dx.doi.org/10.1016/j.neuroimage.2008.04.180 18514546 · DOI · Paper page
  198. Seed AM Clayton NS Emery NJ 2007 Postconflict third-party affiliation in rooks, Corvus frugilegus Curr Biol 17 152 158 17240341
  199. Seffer D Schwarting RK Wöhr M 2014 Pro-social ultrasonic communication in rats: insights from playback studies J Neurosci Methods http://dx.doi.org/10.1016/j.jneumeth.2014.01.023 24508146 · DOI
  200. Senju A Maeda M Kikuchi Y Hasegawa T Tojo Y Osanai H 2007 Absence of contagious yawning in children with autism spectrum disorder Biol Lett 3 6 706 708 http://dx.doi.org/10.1098/rsbl.2007.0337 17698452 PMC2391210 · DOI

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Cited by

Sorted by citations

Authors
Christov-Moore, L., Simpson, E. A., Coudé, G., Grigaityte, K., Iacoboni, M., & Ferrari, P. F.
Affiliations
  • University of Parma (IT)
  • University of California, Los Angeles (US)
Corresponding author
Ferrari, Pier Francesco
Venue
Neuroscience & Biobehavioral Reviews
Publisher
Elsevier BV
Published
2014-10
Volume
46
Pages
604-627
ISSN
0149-7634 (ISSN-L)
OpenAlex
W1965401478
Cited by
1,137
References
44
Citations by year
2026: 125 · 2025: 159 · 2024: 119 · 2023: 109 · 2022: 117 · 2021: 109 · 2020: 136 · 2019: 99 · 2018: 62 · 2017: 48 · 2016: 31 · 2015: 20 · 2014: 1 · 2013: 1
FWCI
4.74
Type
journal article
Language
en
Open access
Locations
  • Neuroscience & Biobehavioral Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • NICHD (P01HD064653)
  • NIH (1R21MH097178)
  • NSF (DGE-1144087)
Topics
  • Social Sciences › Psychology › Social Psychology › Action Observation and Synchronization
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Evolutionary Psychology and Human Behavior
Keywords
empathy, sex differences, gender differences, neurobiology of empathy, affective empathy, cognitive empathy, gender roles, prenatal hormone exposure, sexual preference, social competence, mental illness, neurodevelopmental disorders
MeSH terms
Animals, Behavior, Brain, Empathy, Female, Humans, Male, Sex Characteristics

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