Visual gamma oscillations in schizophrenia: implications for understanding neural circuitry abnormalities
Abstract
Gamma oscillations may play an important role in the representation of information in the brain by synchronizing the firing of neurons in local and distributed neural circuits. The Bleulerian conceptualization of schizophrenia as "disintegration of thought and personality" suggests that neural mechanisms responsible for the integration of neural activity, such as gamma oscillations, might be particularly disrupted in this disorder. Here we review studies of gamma oscillations in healthy and schizophrenic individuals performing visual perception tasks. The findings suggest that schizophrenia is associated with a variety of abnormalities of visual gamma oscillations, which appear to be linked to core symptoms and cognitive deficits of schizophrenia. The relationships between these abnormalities and neural circuitry abnormalities in schizophrenia are discussed.
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In the prefrontal cortex, PNN degradation may affect gamma oscillatory activity originating from interneurons expressing parvalbumin.
“In the prefrontal cortex, PNN degradation may affect gamma oscillatory activity originating from interneurons expressing parvalbumin (Carter et al., 1998; Kim and Webster, 2010; Lewis and Gonzalez-Burgos, 2008; Manoach et al., 1999; Spencer, 2008; Uhlhaas and Singer, 2010; Woo et al., 2010).”
From Losing the sugar coating: Potential impact of perineuronal net abnormalities on interneurons in schizophrenia (2015) · cites this paper as Spencer, 2008
Cites
An Integrative Theory of Prefrontal Cortex Function
Miller, E. K., & Cohen, J. D. (2001) · Annual Review of Neuroscience · doi:10.1146/annurev.neuro.24.1.167 · Cited by 12,803 · see citing works
The brainweb: phase synchronization and large-scale integration
Varela, F., Lachaux, J.-P., Rodriguez, E., & Martinerie, J. (2001) · Nature Reviews Neuroscience · doi:10.1038/35067550 · Cited by 4,761 · see citing works
Dementia Praecox or the Group of Schizophrenias
(1951) · Journal of the American Medical Association · doi:10.1001/jama.1951.02920270079043 · Cited by 4,407 · see citing works
Gray, C. M., König, P., Engel, A. K., & Singer, W. (1989) · Nature · doi:10.1038/338334a0 · Cited by 4,183 · see citing works
Modulation of Oscillatory Neuronal Synchronization by Selective Visual Attention
Fries, P., Reynolds, J. H., Rorie, A. E., & Desimone, R. (2001) · Science · doi:10.1126/science.1055465 · Cited by 2,786 · see citing works
Neuronal Synchrony: A Versatile Code for the Definition of Relations?
Singer, W. (1999) · Neuron · doi:10.1016/s0896-6273(00)80821-1 · Cited by 2,581 · see citing works
Coherent oscillations: A mechanism of feature linking in the visual cortex?
Eckhorn, R., Bauer, R., Jordan, W., Brosch, M., Kruse, W., Munk, M., & Reitboeck, H. J. (1988) · Biological Cybernetics · doi:10.1007/bf00202899 · Cited by 2,329 · see citing works
Cortical inhibitory neurons and schizophrenia
Lewis, D. A., Hashimoto, T., & Volk, D. W. (2005) · Nature Reviews Neuroscience · doi:10.1038/nrn1648 · Cited by 2,297 · see citing works
Oscillatory gamma activity in humans and its role in object representation
Tallon‐Baudry, C. (1999) · Trends in Cognitive Sciences · doi:10.1016/s1364-6613(99)01299-1 · Cited by 2,111 · see citing works
Perception's shadow: long-distance synchronization of human brain activity
Rodriguez, E., George, N., Lachaux, J.-P., Martinerie, J., Renault, B., & Varela, F. J. (1999) · Nature · doi:10.1038/17120 · Cited by 1,915 · see citing works
Stimulus Specificity of Phase-Locked and Non-Phase-Locked 40 Hz Visual Responses in Human
Tallon‐Baudry, C., Bertrand, O., Delpuech, C., & Pernier, J. (1996) · Journal of Neuroscience · doi:10.1523/jneurosci.16-13-04240.1996 · Cited by 1,526 · see citing works
Gamma rhythms and beta rhythms have different synchronization properties
Kopell, N., Ermentrout, G. B., Whittington, M. A., & Traub, R. D. (2000) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.97.4.1867 · Cited by 1,072 · see citing works
A neural cocktail-party processor
von der Malsburg, C., & Schneider, W. (1986) · Biological Cybernetics · doi:10.1007/bf00337113 · Cited by 1,063 · see citing works
Temporal structure in neuronal activity during working memory in macaque parietal cortex
Pesaran, B., Pezaris, J. S., Sahani, M., Mitra, P. P., & Andersen, R. A. (2002) · Nature Neuroscience · doi:10.1038/nn890 · Cited by 1,029 · see citing works
The reduced neuropil hypothesis: a circuit based model of schizophrenia
Selemon, L. D., & Goldman-Rakic, P. S. (1999) · Biological Psychiatry · doi:10.1016/s0006-3223(98)00281-9 · Cited by 909 · see citing works
Induced γ-Band Activity during the Delay of a Visual Short-Term Memory Task in Humans
Tallon‐Baudry, C., Bertrand, O., Peronnet, F., & Pernier, J. (1998) · Journal of Neuroscience · doi:10.1523/jneurosci.18-11-04244.1998 · Cited by 900 · see citing works
White Matter Changes in Schizophrenia: Evidence for Myelin-Related Dysfunction
Davis, K. L., Stewart, D. G., Friedman, J. I., Buchsbaum, M., Harvey, P. D., Hof, P. R., Buxbaum, J., & Haroutunian, V. (2003) · Archives of General Psychiatry · doi:10.1001/archpsyc.60.5.443 · Cited by 793 · see citing works
Cognitive functions of gamma-band activity: memory match and utilization
Herrmann, C. S., Munk, M. H. J., & Engel, A. K. (2004) · Trends in Cognitive Sciences · doi:10.1016/j.tics.2004.06.006 · Cited by 755 · see citing works
Human memory formation is accompanied by rhinal–hippocampal coupling and decoupling
Fell, J., Klaver, P., Lehnertz, K., Grünwald, T., Schaller, C., Elger, C. E., & Fernández, G. (2001) · Nature Neuroscience · doi:10.1038/nn759 · Cited by 692 · see citing works
Abnormal neural synchrony in schizophrenia
Spencer, K. M., Nestor, P. G., Niznikiewicz, M. A., Salisbury, D. F., Shenton, M. E., & McCarley, R. W. (2003) · The Journal of Neuroscience · doi:10.1523/jneurosci.23-19-07407.2003 · Cited by 624 · see citing works
Self-citationA model for visual shape recognition.
Milner, P. M. (1974) · Psychological Review · doi:10.1037/h0037149 · Cited by 598 · see citing works
Neural synchrony indexes disordered perception and cognition in schizophrenia
Spencer, K., Nestor, P. G., Perlmutter, R., Niznikiewicz, M. A., Klump, M. C., Frumin, M., Shenton, M. E., & McCarley, R. W. (2004) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0406074101 · Cited by 591 · see citing works
Self-citationImpairments in frontal cortical γ synchrony and cognitive control in schizophrenia
CHO, R. Y., Konecky, R. O., & Carter, C. S. (2006) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0609440103 · Cited by 576 · see citing works
Neuronal Coherence as a Mechanism of Effective Corticospinal Interaction
Schoffelen, J., Oostenveld, R., & Fries, P. (2005) · Science · doi:10.1126/science.1107027 · Cited by 519 · see citing works
Interneuron Diversity series: Inhibitory interneurons and network oscillations in vitro
Whittington, M. A., & Traub, R. D. (2003) · Trends in Neurosciences · doi:10.1016/j.tins.2003.09.016 · Cited by 497 · see citing works
Dysfunctional Long-Range Coordination of Neural Activity during Gestalt Perception in Schizophrenia
Uhlhaas, P. J., Linden, D. E. J., Singer, W., Haenschel, C., Lindner, M., Maurer, K., & Rodríguez, E. (2006) · Journal of Neuroscience · doi:10.1523/jneurosci.2002-06.2006 · Cited by 432 · see citing works
Light, G. A., Hsu, J., Hsieh, M. H., Meyer-Gomes, K., Sprock, J., Swerdlow, N. R., & BRAFF, D. L. (2006) · Biological Psychiatry · doi:10.1016/j.biopsych.2006.03.055 · Cited by 423 · see citing works
Neural Mechanisms of Visual Attention: How Top-Down Feedback Highlights Relevant Locations
Saalmann, Y. B., Pigarev, I. N., & Vidyasagar, T. R. (2007) · Science · doi:10.1126/science.1139140 · Cited by 419 · see citing works
Temporal binding, binocular rivalry, and consciousness
Engel, A. K., Fries, P., König, P., Brecht, M., & Singer, W. (1999) · Consciousness and Cognition · doi:10.1006/ccog.1999.0389 · Cited by 379 · see citing works
Prefrontal modulation of visual processing in humans
Barceló, F., Suwazono, S., & Knight, R. T. (2000) · Nature Neuroscience · doi:10.1038/73975 · Cited by 374 · see citing works
Akbarian, S., & Huang, H. (2006) · Brain Research Reviews · doi:10.1016/j.brainresrev.2006.04.001 · Cited by 362 · see citing works
Neurophysiological biomarkers for drug development in schizophrenia
Javitt, D. C., Spencer, K., Thaker, G. K., Winterer, G., & Hajós, M. (2007) · Nature Reviews Drug Discovery · doi:10.1038/nrd2463 · Cited by 340 · see citing works
Self-citationUhlhaas, P. J., & Silverstein, S. M. (2005) · Psychological Bulletin · doi:10.1037/0033-2909.131.4.618 · Cited by 233 · see citing works
Sensory-Evoked Gamma Oscillations in Chronic Schizophrenia
Spencer, K. M., Niznikiewicz, M. A., Shenton, M. E., & McCarley, R. W. (2008) · Biological Psychiatry · doi:10.1016/j.biopsych.2007.10.017 · Cited by 182 · see citing works
Self-citationNeural correlates of decision processes: neural and mental chronometry
Schall, J. D. (2003) · Current Opinion in Neurobiology · doi:10.1016/s0959-4388(03)00039-4 · Cited by 163 · see citing works
Oren, I., Mann, E. O., Paulsen, O., & Hájos, N. (2006) · Journal of Neuroscience · doi:10.1523/jneurosci.1580-06.2006 · Cited by 129 · see citing works
Intrinsic excitatory connections in the prefrontal cortex and the pathophysiology of schizophrenia
Lewis, D. A., & González‐Burgos, G. (2000) · Brain Research Bulletin · doi:10.1016/s0361-9230(99)00243-9 · Cited by 126 · see citing works
Cognitive Disorganization in Hippocampus: A Physiological Model of the Disorganization in Psychosis
Olypher, A. V., Klement, D., & Fenton, A. A. (2006) · Journal of Neuroscience · doi:10.1523/jneurosci.2064-05.2006 · Cited by 95 · see citing works
Event-Related Gamma Activity in Schizophrenia Patients During a Visual Backward-Masking Task
Wynn, J. K., Light, G. A., Breitmeyer, B. G., Nuechterlein, K. H., & Green, M. F. (2005) · American Journal of Psychiatry · doi:10.1176/appi.ajp.162.12.2330 · Cited by 74 · see citing works
Busch, N. A., Schadow, J., Fründ, I., & Herrmann, C. S. (2005) · NeuroImage · doi:10.1016/j.neuroimage.2005.09.009 · Cited by 73 · see citing works
Flagged first, then by citations
1 of the 41 references couldn’t be matched to a known paper.
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Gandal, M. J., Edgar, J. C., Klook, K., & Siegel, S. J. (2012) · Neuropharmacology · doi:10.1016/j.neuropharm.2011.02.007 · Cited by 269 · see citing works
Lisman, J. E. (2011) · Current Opinion in Neurobiology · doi:10.1016/j.conb.2011.10.018 · Cited by 267 · see citing works
Reduced Natural Oscillatory Frequency of Frontal Thalamocortical Circuits in Schizophrenia
Ferrarelli, F., Sarasso, S., Bodien, Y. G., Riedner, B. A., Peterson, M. J., Bellesi, M., Massimini, M., Postle, B. R., & Tononi, G. (2012) · Archives of General Psychiatry · doi:10.1001/archgenpsychiatry.2012.147 · Cited by 163 · see citing works
Pantazopoulos, H., Markota, M., Jaquet, F., Ghosh, D., Wallin, A., Santos, A., Caterson, B., & Berretta, S. (2015) · Translational Psychiatry · doi:10.1038/tp.2014.128 · Cited by 153 · see citing works
Berretta, S., Pantazopoulos, H., Markota, M., Brown, C., & Batzianouli, E. T. (2015) · Schizophrenia Research · doi:10.1016/j.schres.2014.12.040 · Cited by 152 · see citing works
Abnormal Long-Range Neural Synchrony in a Maternal Immune Activation Animal Model of Schizophrenia
Dickerson, D. D., Wolff, A. R., & Bilkey, D. K. (2010) · Journal of Neuroscience · doi:10.1523/jneurosci.3046-10.2010 · Cited by 148 · see citing works
Bitanihirwe, B., Lim, M., Kelley, J., Kaneko, T., & Woo, T. (2009) · BMC Psychiatry · doi:10.1186/1471-244x-9-71 · Cited by 137 · see citing works
Inan, M., Zhao, M., Manuszak, M., Karakaya, C., Rajadhyaksha, A. M., Pickel, V. M., Schwartz, T. H., Goldstein, P. A., & Manfredi, G. (2016) · Neurobiology of Disease · doi:10.1016/j.nbd.2016.04.004 · Cited by 118 · see citing works
Leiser, S. C., Dunlop, J., Bowlby, M. R., & Devilbiss, D. M. (2010) · Biochemical Pharmacology · doi:10.1016/j.bcp.2010.10.002 · Cited by 120 · see citing works
Andersson, R., Johnston, A. D., Herman, P. A., Winzer‐Serhan, U. H., Karavanova, I. D., Vullhorst, D., Fisahn, A., & Buonanno, A. (2012) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1201011109 · Cited by 100 · see citing works
Losing your inhibition: Linking cortical GABAergic interneurons to schizophrenia
Inan, M., Petros, T. J., & Anderson, S. A. (2012) · Neurobiology of Disease · doi:10.1016/j.nbd.2012.11.013 · Cited by 100 · see citing works
Gamma oscillation deficits and the onset and early progression of schizophrenia
Woo, T.-U. W., Spencer, K., & McCarley, R. W. (2010) · Harvard Review of Psychiatry · doi:10.3109/10673221003747609 · Cited by 96 · see citing works
Self-citationKocsis, B., Brown, R. E., McCarley, R. W., & Hajós, M. (2013) · CNS Neuroscience & Therapeutics · doi:10.1111/cns.12081 · Cited by 93 · see citing works
Alterations in resting-state gamma activity in patients with schizophrenia: a high-density EEG study
Baradits, M., Kakuszi, B., Bálint, S., Fullajtár, M., Mód, L., Bitter, I., & Czobor, P. (2018) · European Archives of Psychiatry and Clinical Neuroscience · doi:10.1007/s00406-018-0889-z · Cited by 71 · see citing works
Ahnaou, A., Huysmans, H., de Casteele, T. V., & Drinkenburg, W. H. I. M. (2017) · Translational Psychiatry · doi:10.1038/s41398-017-0002-9 · Cited by 58 · see citing works
A genetic epilepsy rat model displays endophenotypes of psychosis
Jones, N. C., Martin, S., Megatia, I., Hakami, T. M., Salzberg, M. R., Pinault, D., Morris, M. J., O'Brien, T. J., & van den Buuse, M. (2010) · Neurobiology of Disease · doi:10.1016/j.nbd.2010.02.001 · Cited by 55 · see citing works
Grent-‘t-Jong, T., Rivolta, D., Sauer, A., Grube, M., Singer, W., Wibral, M., & Uhlhaas, P. J. (2016) · Schizophrenia Research · doi:10.1016/j.schres.2016.06.003 · Cited by 50 · see citing works
Adolescent resting state networks and their associations to schizotypal trait expression
Lagioia (2010) · Frontiers in Systems Neuroscience · doi:10.3389/fnsys.2010.00035 · Cited by 47 · see citing works
Pharmaco-EEG Studies in Animals: An Overview of Contemporary Translational Applications
Drinkenburg, W. H. I. M., Ruigt, G. S. F., & Ahnaou, A. (2015) · Neuropsychobiology · doi:10.1159/000442210 · Cited by 43 · see citing works
Ćurić, S., Leicht, G., Thiebes, S., Andreou, C., Polomac, N., Eichler, I.-C., Eichler, L., Zöllner, C., Gallinat, J., Steinmann, S., et al. (2019) · Neuropsychopharmacology · doi:10.1038/s41386-019-0328-5 · Cited by 40 · see citing works
Zhang, Y., Zheng, J., Fan, X., Guo, X., Guo, W., Yang, G., Chen, H., Zhao, J., & Lv, L. (2015) · Schizophrenia Research · doi:10.1016/j.schres.2015.07.031 · Cited by 37 · see citing works
Dickerson, D. D., & Bilkey, D. K. (2013) · Frontiers in Behavioral Neuroscience · doi:10.3389/fnbeh.2013.00217 · Cited by 38 · see citing works
Deng, Y., Liu, K., Cheng, D., Zhang, J., Chen, H., Chen, B., Li, Y., Wang, W., Kong, Y., & Wen, G. (2018) · Schizophrenia Research · doi:10.1016/j.schres.2018.12.005 · Cited by 30 · see citing works
Phillips, K. G., & Uhlhaas, P. J. (2015) · Journal of Psychopharmacology · doi:10.1177/0269881114562093 · Cited by 29 · see citing works
Oscillatory dynamics of Gestalt perception in schizophrenia revisited
Spencer, K., & Ghorashi, S. M. (2014) · Frontiers in Psychology · doi:10.3389/fpsyg.2014.00068 · Cited by 25 · see citing works
Self-citationUrsino, M., Cesaretti, N., & Pirazzini, G. (2022) · Cognitive Neurodynamics · doi:10.1007/s11571-022-09836-9 · Cited by 20 · see citing works
Bertone, A., Hanck, J., Kogan, C. S., Chaudhuri, A., & Cornish, K. M. (2010) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-010-1110-z · Cited by 18 · see citing works
Mancini, V., Rochas, V., Seeber, M., Grent-‘t-Jong, T., Rihs, T. A., Latrèche, C., Uhlhaas, P. J., Michel, C. M., & D, S. E. M. (2022) · Biological Psychiatry · doi:10.1016/j.biopsych.2022.02.961 · Cited by 15 · see citing works
Consciousness, awareness of insight and neural mechanisms of schizophrenia
Touskova, T. P., & Bob, P. (2015) · Reviews in the Neurosciences · doi:10.1515/revneuro-2014-0063 · Cited by 12 · see citing works
Modeling the contribution of theta-gamma coupling to sequential memory, imagination, and dreaming
Pirazzini, G., & Ursino, M. (2024) · Frontiers in Neural Circuits · doi:10.3389/fncir.2024.1326609 · Cited by 9 · see citing works
Dimitriadis, S. I., Perry, G., Foley, S. F., Tansey, K. E., Jones, D. K., Holmans, P., Zammit, S., Hall, J., O’Donovan, M. C., Owen, M. J., et al. (2021) · Translational Psychiatry · doi:10.1038/s41398-021-01678-z · Cited by 7 · see citing works
Neuronal Activity Patterns During Hippocampal Network Oscillations In Vitro
Gloveli, T., Kopell, N., & Dugladze, T. (2010) · Springer eBooks · doi:10.1007/978-1-4419-0996-1_8 · Cited by 7 · see citing works
Time Perception and Discrimination in Individuals Suffering from Hallucinations
Waters, F. (2012) · Springer eBooks · doi:10.1007/978-1-4614-4121-2_11 · Cited by 7 · see citing works
So, R. P., Kegeles, L., Mao, X., Shungu, D., Stanford, A. D., & Chen, C.-M. A. (2018) · Journal of Clinical and Experimental Neuropsychology · doi:10.1080/13803395.2017.1420142 · Cited by 6 · see citing works
Early-Stage Visual Processing Deficits in Schizophrenia
Butler, P. D. (2009) · Springer eBooks · doi:10.1007/978-0-387-30410-6_10 · Cited by 4 · see citing works
Giersch, A., & Laprévote, V. (2022) · Current topics in behavioral neurosciences · doi:10.1007/7854_2022_393 · Cited by 2 · see citing works
Neurophysiologische Grundlagen psychischer Erkrankungen
Hegerl, U., Hensch, T., & Mulert, C. (2011) · Springer eBooks · doi:10.1007/978-3-642-03637-8_10 · Cited by 2 · see citing works
Disorganization and Insight in Schizophrenia
Touskova, T. P. (2017) · Activitas Nervosa Superior · doi:10.1007/s41470-017-0013-0 · Cited by 1 · see citing works
Hirnelektrische Grundlagen psychischer Erkrankungen
Hegerl, U., & Mulert, C. (2017) · Springer eBooks · doi:10.1007/978-3-662-49295-6_11
Inhibition of Gamma Oscillations in Healthy Subjects and Patients with Schizophrenia
Farzan, F. (2011) · TSpace (University of Toronto)
Local and Iterative Visual Processing Deficits in Schizophrenia
Espensen-Sturges, T. D. (2017) · University of Minnesota Digital Conservancy (University of Minnesota)
Cell Type-Specific Activity During Hippocampal Network Oscillations In Vitro
Gloveli, T., Booker, S. A., Kopell, N., & Dugladze, T. (2018) · Springer series in computational neuroscience · doi:10.1007/978-3-319-99103-0_8
Uhlhaas, P. J., & Giersch, A. (2018) · HAL · doi:10.1016/s0246-1072(18)69592-6
Hirnelektrische Grundlagen psychischer Erkrankungen
Hegerl, U., & Mulert, C. (2016) · Springer eBooks · doi:10.1007/978-3-642-45028-0_11-1
The Neurodevelopmental Considerations of Schizotypy
Snyder, M. E., Blank, J. M., Bridgwater, M. A., Giljen, M., Petti, E., Schiffman, J. E., & Martin, E. A. (2023) · Springer eBooks · doi:10.1007/978-3-031-41788-7_1
Mechanisms of deep brain stimulation for psychiatric disorders
Brusco, C., Feigen, C. M., & Eskandar, E. N. (2024) · Elsevier eBooks · doi:10.1016/b978-0-443-18496-3.00017-3
- Authors
- Spencer, K. M.
- Affiliations
- Harvard University (US)
- Corresponding author
- Spencer, Kevin M.
- ORCID
- Spencer, Kevin M.
- Venue
- Clinical EEG and Neuroscience
- Publisher
- SAGE Publications
- Published
- 2008-04
- Volume
- 39
- Issue
- 2
- Pages
- 65-68
- ISSN
- 1550-0594 (ISSN-L)
- 2169-5202
- OpenAlex
- W2071609766
- Cited by
- 47
- References
- 41
- Citations by year
- 2024: 2 · 2023: 1 · 2022: 3 · 2021: 1 · 2019: 1 · 2018: 5 · 2017: 4 · 2016: 3 · 2015: 6 · 2014: 2 · 2013: 2 · 2012: 4
- FWCI
- 3.02
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Clinical EEG and Neuroscience (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institute of Mental Health (R03MH076760)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
- Keywords
- gamma oscillations, schizophrenia, visual perception, neuronal synchronization, cognitive impairment, core symptoms
- MeSH terms
- Brain Mapping, Electroencephalography, Evoked Potentials, Visual, Humans, Schizophrenia, Visual Perception
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