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Ability Profiles in Children with Autism: Influence of Age and IQ
Abstract
To understand the effect of IQ and age on ability in children with autism, psychological data were analyzed for 164 3- to 15-year-olds with autism (IQs 14-143). As age increased, so did IQ, which probably reflects both an actual increase in IQ over time and the likelihood that brighter children are diagnosed later. Early in life, 67 percent had normal motor and delayed speech milestones. Verbal IQ continued to lag behind non-verbal IQ during the preschool years. By school age, the gap between verbal and non-verbal IQs had closed. Visual reasoning exceeded graphomotor scores for all children, and surpassed IQ for most. Graphomotor scores were significantly below IQ for both high-IQ groups. For school-age children with low IQs, math, spelling, and writing scores were consistent with IQ and reading was above IQ. School-age children with high IQs had average reading, math, and spelling scores and a weakness in writing.
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“Similarly, an uneven cognitive profile with a significant discrepancy between verbal and nonverbal IQ (VIQ and NVIQ), or an IQ split, is frequent in ASD, present in over 40% of affected individuals 24,25.”
From Parsing Heterogeneity in Autism Spectrum Disorders: Visual Scanning of Dynamic Social Scenes in School-Aged Children (2012) · cites this paper as [25]
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Sorted by citations
Motor coordination in autism spectrum disorders: A synthesis and meta-analysis
Fournier, K. A., Hass, C. J., Naik, S. K., Lodha, N., & Cauraugh, J. H. (2010) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-010-0981-3 · Cited by 1,271
“Early views stressed that children with ASD may have similar motor development (Hallett et al. 1993; Mayes and Calhoun 2003) or perhaps even more advanced motor skills than their peers (Johnson and Myers 2007; Rimland 1964).”
BackgroundPatterns of Reading Ability in Children with Autism Spectrum Disorder
Nation, K., Clarke, P., Wright, B., & Williams, C. L. (2006) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-006-0130-1 · Cited by 616
“…adults (Rumsey & Hamburger, 1990) and children (Minshew, Goldstein, Taylor, & Siegel, 1994; O’Connor & Hermelin, 1994; O’Connor & Klein, 2004) with autism, and in some samples, reading accuracy is in excess of IQexpected levels (Mayes & Calhoun, 2003; Szatmari, Tuff, Finlayson, & Bartolucci, 1990).”
BackgroundMayes, S. D., & Calhoun, S. L. (2007) · Child Neuropsychology · doi:10.1080/09297040601112773 · Cited by 420
“Children with ADHD, high-functioning autism, and LD have weaknesses on these subtests (Calhoun & Mayes, 2005; Mayes & Calhoun, 2002, 2003a, 2004, 2006a; Mayes et al., 1998a, 1998b, 2000, 2001; Mealer et al., 1996; Naglieri et al., 2003; Newby et al., 1993; Nyden et al., 2001; Prifetera & Dersh,…”
BackgroundMethodInfluentialProvost, B., Lopez, B. R., & Heimerl, S. (2006) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-006-0170-6 · Cited by 451
“... AS and high functioning autism have delays or disorders in overall motor development, including locomotor and object control (Berkeley, Zittel, Pitney, & Nichols, 2001), manual dexterity, ball skills, and balance (Manjiviona & Prior, 1995), reach to grasp tasks that included movement execution and planning (Mari e…”
BackgroundInfluentialEvidence-Based Assessment of Autism Spectrum Disorders in Children and Adolescents
Ozonoff, S. J., Goodlin‐Jones, B. L., & Solomon, M. (2005) · Journal of Clinical Child & Adolescent Psychology · doi:10.1207/s15374424jccp3403_8 · Cited by 443
“Scores can and do change with development and intervention (Freeman et al., 1991; Mayes & Calhoun, 2003a) and may also change as a function of the assessment instrument chosen (Magiati & Howlin, 2001).”
BackgroundEffects of physical exercise on Autism Spectrum Disorders: A meta-analysis
Sowa, M., & Meulenbroek, R. (2012) · Research in Autism Spectrum Disorders · doi:10.1016/j.rasd.2011.09.001 · Cited by 386
Frequency of reading, math, and writing disabilities in children with clinical disorders
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WISC-IV and WIAT-II Profiles in Children With High-Functioning Autism
Mayes, S. D., & Calhoun, S. L. (2008) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-007-0410-4 · Cited by 331
Self-citationGross Motor Development, Movement Abnormalities, and Early Identification of Autism
Ozonoff, S., Young, G. S., Goldring, S., Greiss-Hess, L., Herrera, A. M., Steele, J., Macari, S., Hepburn, S., & Rogers, S. J. (2008) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-007-0430-0 · Cited by 324
“By retrospective parent report, Mayes and Calhoun (2003) reported normal onset of early gross motor milestones in the majority of their sample with autism.”
BackgroundMayes, S. D., & Calhoun, S. L. (2003) · Journal of Autism and Developmental Disorders · doi:10.1023/a:1024462719081 · Cited by 319
“In studies by the authors ( Mayes & Calhoun, 2001, 2003 ), 66% of children with autism had normal motor and delayed speech milestones.”
BackgroundKeen, D., Webster, A. A., & Ridley, G. F. (2015) · Autism · doi:10.1177/1362361315580962 · Cited by 322
“Group means for general mathematics achievement for individuals with ASD and higher ability (IQ ⩾ 70) were either in the average (Mayes-Dickerson and Calhoun, 2003b; Troyb et al., 2014) or below average range (Estes et al., 2011; Griswold et al., 2002; Myles et al., 1994).”
BackgroundMethodInfluentialEducational Experiences and Needs of Higher Education Students with Autism Spectrum Disorder
Cai, R. Y., & Richdale, A. L. (2015) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-015-2535-1 · Cited by 314
“While ASD is associated with intellectual disability (APA 2013), around 50 % or more of individuals have an IQ in the normal range (Centers for Disease Control and Prevention 2014; Mayes and Calhoun 2003).”
BackgroundKaur, M., M. Srinivasan, S., & N. Bhat, A. (2018) · Research in Developmental Disabilities · doi:10.1016/j.ridd.2017.10.025 · Cited by 304
“…control including manual dexterity, handwriting, object control, and visuomotor integration skills (Provost et al., 2009; Berkeley et al., 2001; Green et al., 2002; Miyahara et al., 1997; Sacrey et al., 2014; Khuski et al., 2011; Fuentes et al., 2009; Mayes & Calhoun, 2003, McPhilips et al., 2014).”
BackgroundReading and arithmetic in adolescents with autism spectrum disorders: Peaks and dips in attainment.
Jones, C. R. G., Happe, F. G. E., Golden, H. L., Marsden, A. J. S., Tregay, J., Simonoff, E. A., Pickles, A. R., Baird, G., & Charman, T. (2009) · Neuropsychology · doi:10.1037/a0016360 · Cited by 303
Estes, A. M., Rivera, V., Bryan, M. J., Cali, P., & Dawson, G. (2010) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-010-1127-3 · Cited by 296
Disrupted cortical connectivity theory as an explanatory model for autism spectrum disorders
Kana, R. K., Libero, L. E., & Moore, M. S. (2011) · Physics of Life Reviews · doi:10.1016/j.plrev.2011.10.001 · Cited by 263
Rice, K., Moriuchi, J. M., Jones, W., & Klin, A. (2012) · Journal of the American Academy of Child & Adolescent Psychiatry · doi:10.1016/j.jaac.2011.12.017 · Cited by 237
Variables related to sleep problems in children with autism
Mayes, S. D., & Calhoun, S. L. (2009) · Research in Autism · doi:10.1016/j.rasd.2009.04.002 · Cited by 229
Sarachana, T., Zhou, R., Chen, G., Manji, H. K., & Hu, V. W. (2010) · Genome Medicine · doi:10.1186/gm144 · Cited by 237
Cognitive and language skills in adults with autism: a 40‐year follow‐up
Howlin, P., Savage, S., Moss, P., Tempier, A., & Rutter, M. (2014) · Journal of Child Psychology and Psychiatry · doi:10.1111/jcpp.12115 · Cited by 255
“Change in IQ profiles over time Cognitive studies of young children with ASD have generally indicated a significant deficit in verbal compared with nonverbal IQ (Mayes & Calhoun, 2003).”
BackgroundHandwriting Difficulties in Children with Autism Spectrum Disorders: A Scoping Review
Kushki, A., Chau, T. T., & Anagnostou, E. A. (2011) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-011-1206-0 · Cited by 232
“For example, 6‐16 year old children with ASD performed more poorly than typically developing children on the Developmental Test of Visual Motor Integration (DTVMI) ( Mayes and Calhoun 2003a, 2007 ).”
BackgroundMethodPan, C., Tsai, C., & Chu, C.-H. (2009) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-009-0813-5 · Cited by 231
“... studies have suggested children and adolescents with AS and high functioning ASD have delays or disorders in overall motor development, including locomotor and object control (Berkeley et al. 2001), manual dexterity, ball skills, and balance (Manjiviona and Prior 1995), bimanual load-lifting differences (Schmitz e…”
BackgroundResultChildren with autism show specific handwriting impairments
Fuentes, C. T., Mostofsky, S. H., & Bastian, A. J. (2009) · Neurology · doi:10.1212/wnl.0b013e3181c0d48c · Cited by 212
Evaluation of tablet apps to encourage social interaction in children with autism spectrum disorders
Hourcade, J. P., Williams, S. R., Miller, E. A., Huebner, K. E., & Liang, L. J. (2013) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/2470654.2466438 · Cited by 167
Pan, C. (2010) · Research in Autism · doi:10.1016/j.rasd.2010.08.001 · Cited by 162
Updated report on tools to measure outcomes of clinical trials in fragile X syndrome
Budimirovic, D. B., Berry‐Kravis, E., Erickson, C. A., Hall, S. S., Hessl, D. R., Reiss, A. L., King, M. K., Abbeduto, L., & Kaufmann, W. E. (2017) · Journal of Neurodevelopmental Disorders · doi:10.1186/s11689-017-9193-x · Cited by 159
“As in the general population with ASD [142, 143], severity of autistic behavior in FXS is variable and associated with age and IQ [18, 144].”
BackgroundEvidence-Based Reading Instruction for Individuals With Autism Spectrum Disorders
Whalon, K. J., Otaiba, S. A., & Delano, M. E. (2008) · Focus on Autism and Other Developmental Disabilities · doi:10.1177/1088357608328515 · Cited by 154
“O’Connor Repeated 20 children with ASD, Home or school setting.”
BackgroundInfluentialLevels of Gross and Fine Motor Development in Young Children with Autism Spectrum Disorder
Provost, B., Heimerl, S., & Lopez, B. R. (2007) · Physical & Occupational Therapy In Pediatrics · doi:10.1080/j006v27n03_03 · Cited by 152
“…disorders in gross and fine motor skill development, including locomotor and object control (Berkeley, Zittel, Pitney, & Nichols, 2001); manual dexterity, ball skills, and balance (Manjiviona & Prior, 1995; Green et al., 2002; Miyahara et al., 1997); and graphomotor skills (Mayes & Calhoun, 2003).”
BackgroundResultLongitudinal follow‐up of academic achievement in children with autism from age 2 to 18
Kim, S. H., Bal, V. H., & Lord, C. (2018) · Journal of Child Psychology and Psychiatry · doi:10.1111/jcpp.12808 · Cited by 144
“In contrast, Mayes and Calhoun (2003) reported that 54 (17”
Mathematical ability of students with Asperger syndrome and high-functioning autism
Chiang, H.-M., & Lin, Y.-H. (2007) · Autism · doi:10.1177/1362361307083259 · Cited by 150
No evidence for impaired perception of biological motion in adults with autistic spectrum disorders
Murphy, P., Brady, N. P., Fitzgerald, M., & Troje, N. F. (2009) · Neuropsychologia · doi:10.1016/j.neuropsychologia.2009.07.026 · Cited by 134
Writing, Asperger Syndrome and Theory of Mind
Brown, H. M., & Klein, P. D. (2011) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-010-1168-7 · Cited by 128
“Previously, six studies ( Mayes and Calhoun 2003a, b, 2006, 2007, 2008; Smith-Myles et al. 2003) compared the writing of students with HFASD to age-matched participants without ASD, using intelligence tests and standardized academic achievement tests.”
BackgroundWhitby, P. J. S., & Mancil, G. R. (2009) · Education and training in developmental disabilities · doi:10.1177/215416470904400411 · Cited by 127
“Dickerson Mayes and Calhoun (2003a, 2008) report that 23% of the students with HFA/AS meet criteria for a mathematics learning disability.”
InfluentialRecreational Participation of Children with High Functioning Autism
Potvin, M., Snider, L., Prelock, P., Kehayia, E., & Wood-Dauphinée, S. (2012) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-012-1589-6 · Cited by 139
Barbaresi, W. J., Katusic, S. K., & Voigt, R. G. (2006) · Archives of Pediatrics and Adolescent Medicine · doi:10.1001/archpedi.160.11.1167 · Cited by 125
Effectiveness of a Multisystem Aquatic Therapy for Children with Autism Spectrum Disorders
Caputo, G., Ippolito, G., Mazzotta, M., Sentenza, L., Muzio, M. R., Salzano, S., & Conson, M. (2018) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-017-3456-y · Cited by 146
“2007), motor planning (Gowen and Hamilton 2013), and on visual-motor tasks (Mayes and Calhoun 2003).”
BackgroundAnkenman, K., Elgin, J. E., Sullivan, K. A., Vincent, L. L., & Bernier, R. (2014) · American Journal on Intellectual and Developmental Disabilities · doi:10.1352/1944-7558-119.1.84 · Cited by 116
Srinivasan, S. M., Kaur, M., Park, I. K., Gifford, T. D., Marsh, K. L., & Bhat, A. N. (2015) · Autism Research and Treatment · doi:10.1155/2015/736516 · Cited by 126
Budimirovic, D. B., Bukelis, I., Cox, C., Gray, R. M., Tierney, E., & Kaufmann, W. E. (2006) · American Journal of Medical Genetics Part A · doi:10.1002/ajmg.a.31405 · Cited by 109
Troyb, E., Orinstein, A. J., Tyson, K. E., Helt, M. S., Eigsti, I., Stevens, M. C. G., & FEIN, D. A. (2013) · Autism · doi:10.1177/1362361312473519 · Cited by 113
“Autism spectrum disorders (ASDs) are considered by many to be lifelong conditions.”
BackgroundResultInfluentialVannucchi, G., Masi, G., Toni, C., Dell’Osso, L., Marazziti, D., & Perugi, G. (2013) · CNS Spectrums · doi:10.1017/s1092852913000941 · Cited by 106
Pan, C., Tsai, C., & Hsieh, K.-W. (2011) · Research Quarterly for Exercise and Sport · doi:10.1080/02701367.2011.10599782 · Cited by 97
“…poor motor skills (Green et al., 2009), including locomotor and object control skills (Berkeley, Zittel, Pitney, & Nichols, 2001), reach-to-grasp tasks that include movement execution and planning (Mari, Castiello, Marks, Marraffa, & Prior, 2003), and graphomotor skills (Mayes & Calhoun, 2003).”
BackgroundOswald, T. M., Beck, J. S., Iosif, A., McCauley, J. B., Gilhooly, L. J., Matter, J. C., & Solomon, M. (2015) · Autism Research · doi:10.1002/aur.1524 · Cited by 96
“…achievement in children and adults with ASD [Estes, Rivera, Bryan, Cali, & Dawson, 2011; Goldstein, Beers, Siegel, & Minshew, 2001; Griswold, Barnhill, Myles, Hagiwara, & Simpson, 2002; Jones et al., 2009; Mayes & Calhoun, 2003ba, 2003bb, 2006, 2008; Szatmari, Tuff, Finlayson, & Bartolucci, 1990].”
BackgroundKurth, J. A., & Mastergeorge, A. M. (2010) · Cited by 89
Cognitive and Academic Distinctions Between Gifted Students With Autism and Asperger Syndrome
Foley‐Nicpon, M., Assouline, S. G., & Stinson, R. D. (2012) · Gifted Child Quarterly · doi:10.1177/0016986211433199 · Cited by 85
“…many conclusions from previous studies and support that cognitively gifted students can be diagnosed with both HFA and AS (see Mayes et al., 2001; Mayes & Calhoun, 2003c; Miller & Ozonoff, 2000); to ignore this does this group of students a disservice with respect to understanding their unique…”
BackgroundResultInfluentialImpact of Setting and Instructional Context for Adolescents With Autism
Kurth, J. A., & Mastergeorge, A. M. (2010) · The Journal of Special Education · doi:10.1177/0022466910366480 · Cited by 82
“…extent, writing skills development (Bedrosian, Lasker, Speidel, & Politsch, 2003; Blischak & Schlosser, 2003; Schlosser & Blischak, 2004) and math development (Banda, McAfee, Lee, & Kubina, 2007; Mayes & Calhoun, 2003; Minshew, Goldstein, Taylor, & Siegel, 1994) have received research attention.”
Payakachat, N., Tilford, J. M., Kovacs, E. A., & Kuhlthau, K. A. (2012) · Expert Review of Pharmacoeconomics & Outcomes Research · doi:10.1586/erp.12.29 · Cited by 86
Preschool predictors of school-age academic achievement in autism spectrum disorder
Miller, L. E., Burke, J. D., Troyb, E., Knoch, K., Herlihy, L. E., & FEIN, D. A. (2016) · The Clinical Neuropsychologist · doi:10.1080/13854046.2016.1225665 · Cited by 87
“Even within more homogenous subgroups (e.g., highfunctioning autism (HFA), AS), achievement profiles are quite variable, with individuals’ scores ranging from impaired to above average across subtests (Griswold et al., 2002; Mayes & Calhoun, 2003b).”
BackgroundInfluentialInfluence of IQ and Age in Childhood Autism: Lack of Support for DSM-IV Asperger's Disorder
Mayes, S. D., & Calhoun, S. L. (2004) · Journal of Developmental and Physical Disabilities · doi:10.1023/b:jodd.0000032301.07550.0e · Cited by 80
“The finding that children who have fewer autistic symptoms and social problems are brighter, older, and more advanced in mental age is consistent with previous research (Bartak and Rutter, 1976; Church and Coplan, 1995; Eaves et al., 1994; Gillberg et al., 1996; Mayes and Calhoun, 1999, 2003; Miller and Ozonoff, 2000;…”
BackgroundResultDevelopmental Change in Neutral Processing of Words by Children with Autism
Dunn, M. A., & Bates, J. C. (2005) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-005-3304-3 · Cited by 76
Childhood and current autistic features in adolescents with schizotypal personality disorder
Esterberg, M. L., Trotman, H. D., Brasfield, J. L., Compton, M. T., & Walker, E. F. (2008) · Schizophrenia Research · doi:10.1016/j.schres.2008.04.029 · Cited by 74
“, 2001), cognitive deficits (Mayes and Calhoun, 2003; Walker and Walder, 2003), communication impairments (Bagner et al.”
Whalon, K. J., & Hanline, M. F. (2008) · Education and training in developmental disabilities · doi:10.1177/215416470804300309 · Cited by 74
“Despite variability in reading ability, studies have consistently shown that students with ASD frequently have difficulty comprehending text (Mayes & Calhoun, 2003a; 2003b; Nation et al.; Minshew et al.; Wahlberg & Magliano, 2004).”
Fiorello, C. A., Hale, J. B., Holdnack, J. A., Kavanagh, J. A., Terrell, J., & Long, L. (2007) · Applied Neuropsychology · doi:10.1080/09084280701280338 · Cited by 80
“Diagnostic sensitivity and specificity can be achieved by examination of Index and= or subtest profiles for children with neurobiological disorders such as autism, LD, and ADHD (e.g., Mayes & Calhoun, 2003 ), but this information is lost if one focuses solely on global IQ scores.”
BackgroundKhowaja, K., & Salim, S. S. (2013) · Research in Autism · doi:10.1016/j.rasd.2013.05.009 · Cited by 71
Exploring the persuasive writing skills of students with high-functioning autism spectrum disorder
Brown, H. M., Johnson, A. M., Smyth, R. E., & Cardy, J. O. (2014) · Research in Autism · doi:10.1016/j.rasd.2014.07.017 · Cited by 69
“…(c.f., Foley-Nicpon, Assouline and Stinson, 2012; Griswold, Barnhill, Smith-Myles, Hagiwara & Simpson, 2002; PERSUASIVE WRITING OF STUDENTS WITH HFASD 7 Jones, 2007; Mayes & Calhoun 2003; 2008; Smith-Myles, Huggins, Rome-Lake, Hagiwara, Barnhill, et al., 2003; Smith-Myles, Simpson & Becker, 1994).”
BackgroundResultMayes, S. D., Calhoun, S. L., Murray, M. J., Morrow, J. D., Yurich, K. K. L., Cothren, S., Purichia, H., Mahr, F., Bouder, J. N., & Petersen, C. A. (2011) · Focus on Autism and Other Developmental Disabilities · doi:10.1177/1088357611406902 · Cited by 66
“We found somewhat lower parent than clinician CARS scores for children with LFA and HFA and lower classification accuracy for parent scores (72”
MethodInfluentialZajic, M. C., McIntyre, N. S., Lerro, L., Novotny, S. E., Oswald, T. M., & Mundy, P. C. (2016) · Autism · doi:10.1177/1362361316675121 · Cited by 66
“Previous research has shown that children with HFASD produce shorter, less complex texts compared to TD peers (Chavkin, 2008; Church et al., 2000; Griswold et al., 2002; Mayes and Calhoun, 2003a, 2003b, 2006, 2008; Myles et al., 2003).”
John, T. S., Dawson, G., & Estes, A. M. (2017) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-017-3296-9 · Cited by 67
“2011; Mayes and Calhoun 2003).”
Whalon, K. J., & Hart, J. E. (2010) · Remedial and Special Education · doi:10.1177/0741932510362174 · Cited by 65
“…emerging literature base on the reading development of children with autism spectrum disorder (ASD) has described a number of children who effectively decode but struggle with language and reading comprehension (Calhoon, 2001; Mayes & Calhoun 2003a, 2003b; Nation, Clarke, Wright, & Williams, 2006).”
BackgroundResultInfluentialCourchesne, V., Girard, D., Jacques, C., & Soulières, I. (2018) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-018-3786-4 · Cited by 74
Review of Evidence-based Mathematics Interventions for Students with Autism Spectrum Disorders
Barnett, J. E. H., & Cleary, S. (2015) · Education and Training in Autism and Developmental Disabilities · doi:10.1177/215416471505000205 · Cited by 63
Cognitive Differences in Pictorial Reasoning Between High-Functioning Autism and Asperger’s Syndrome
Sahyoun, C. P., Soulières, I., Belliveau, J. W., Mottron, L., & Mody, M. (2009) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-009-0712-9 · Cited by 69
“In fact, differences in verbal and non-verbal IQ scores have been frequently reported in ASD (Klin et al. 1995; Koyama et al. 2007; Mayes and Calhoun 2003 ), and the direction and magnitude of these differences may be associated with autism subtypes (Tager-Flusberg and Joseph 2003).”
Doobay, A. F., Foley-Nicpon, M., Ali, S. R., & Assouline, S. G. (2014) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-014-2082-1 · Cited by 62
High Prevalence of Dysgraphia in Elementary Through High School Students With ADHD and Autism
Mayes, S., Breaux, R., Calhoun, S., & Frye, S. (2019) · Journal of Attention Disorders · doi:10.1177/1087054717720721 · Cited by 46
Whitby, P. J. S. (2012) · Focus on Autism and Other Developmental Disabilities · doi:10.1177/1088357612468764 · Cited by 62
“Twenty-three percent of students with ASD have a mathematics learning disability (Mayes & Calhoun, 2003a) compared with 5% to 8% of school-age children (Greary, 2004).”
BackgroundLeiter-3: Nonverbal Cognitive and Neuropsychological Assessment
Roid, G. H., & Koch, C. (2017) · Springer eBooks · doi:10.1007/978-3-319-50604-3_8 · Cited by 65
Autism Spectrum Disorder and IQ – A Complex Interplay
Wolff, N., Stroth, S., Kamp‐Becker, I., Roepke, S., & Roessner, V. (2022) · Frontiers in Psychiatry · doi:10.3389/fpsyt.2022.856084 · Cited by 78
Dimian, A. F., Symons, F. J., & Wolff, J. J. (2020) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-020-04586-1 · Cited by 62
Working Memory in Early-School-Age Children with Asperger’s Syndrome
Cui, J., Gao, D., Chen, Y., Zou, X., & Wang, Y. (2010) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-010-0943-9 · Cited by 59
Genome-scan for IQ discrepancy in autism: evidence for loci on chromosomes 10 and 16
Chapman, N. H., Estes, A., Munson, J., Bernier, R., Webb, S. J., Rothstein, J. H., Minshew, N. J., Dawson, G., Schellenberg, G. D., & Wijsman, E. M. (2011) · Human Genetics · doi:10.1007/s00439-010-0899-z · Cited by 55
“…IQ is generally lower than performance IQ (Lincoln et al. 1998), a pattern frequently found in a recent study of over 450 preschoolers with autism (Munson et al. 2008), although not universally observed (e.g. Mayes and Calhoun 2003; Minshew et al. 2005; Siegel et al. 1996; Szatmari et al. 1990).”
Zajic, M. C., & Wilson, S. E. (2019) · Research in Autism · doi:10.1016/j.rasd.2019.101471 · Cited by 55
Memory, language and intellectual ability in low-functioning autism
Boucher, J., Mayes, A. R., & Bigham, S. (2008) · Cambridge University Press eBooks · doi:10.1017/cbo9780511490101.016 · Cited by 54
“…intellectual disability in LFA owes more to a decline in verbal intelligence than a decline in nonverbal intelligence (see for example Rumsey, 1992; Lincoln, Allen & Kilman, 1995; Siegel, Minshew & Goldstein, 1996; Lord & Paul, 1997; however, see Mayes & Calhoun, 2003b for some contrary evidence).”
BackgroundStability and change of IQ scores in preschool children diagnosed with autistic spectrum disorder
Dietz, C., Willemsen‐Swinkels, S. H. N., Buitelaar, J. K., van Daalen, E., & van Engeland, H. (2007) · European Child & Adolescent Psychiatry · doi:10.1007/s00787-007-0614-3 · Cited by 51
“Increase in IQ scores in children with ASD has been reported in other studies of preschool children [7, 32], and children between preschool years and early adolescence [19, 28].”
Beery VMI performance in autism spectrum disorder
Green, R. R., Bigler, E. D., Froehlich, A. L., Prigge, M. B. D., Travers, B. G., Cariello, A. N., Anderson, J. S., Zielinski, B. A., Alexander, A. L., LANGE, N. D., et al. (2015) · Child Neuropsychology · doi:10.1080/09297049.2015.1056131 · Cited by 52
“Reinvall et al. (2013) found deficits in ASD in Visuomotor Precision and Design Copying on the Finnish version of the NEPSY-II, while Mayes and Calhoun (2003, 2007) obtained similar findings using the DTVMI.”
ResultHow common are motor problems in children with a developmental disorder: rule or exception?
Pieters, S., Block, K. D., Scheiris, J., Eyssen, M., Desoete, A., Deboutte, D., Waelvelde, H. V., & Roeyers, H. (2011) · Child Care Health and Development · doi:10.1111/j.1365-2214.2011.01225.x · Cited by 46
“The range of co-morbid motor problems in PDD in small clinical sample studies is large, from 50% to 85% (Manjiviona and Prior 1995, Mayes and Calhoun 2003, Miyahara et al. 1997).”
BackgroundWhalon, K. J., Delano, M. E., & Hanline, M. F. (2013) · Preventing School Failure Alternative Education for Children and Youth · doi:10.1080/1045988x.2012.672347 · Cited by 49
“Most children with ASD experience difficulty with reading, and given their difficulties with language, struggle especially in the area of reading comprehension (Leekam, 2007; Mayes & Calhoun 2003a, 2003b; Nation, Clarke, Wright, & Williams, 2006; Wahlberg & Magliano, 2004).”
BackgroundPredicting literacy in children with a high-functioning autism spectrum disorder
Jacobs, D., & Richdale, A. L. (2013) · Research in Developmental Disabilities · doi:10.1016/j.ridd.2013.04.007 · Cited by 43
“FSIQ has previously been identified as predictive of decoding and reading comprehension for the HFASD population (Mayes & Calhoun, 2008) with a higher FSIQ associated with higher decoding ability in individuals with an ASD (Howlin, Goode, Hutton, & Rutter, 2004; Mayes & Calhoun, 2003).”
Differences in verbal and nonverbal IQ test scores in children with autism spectrum disorder
Grondhuis, S. N., Lecavalier, L., Arnold, L. E., Handen, B. L., Scahill, L. D., McDougle, C. J., & Aman, M. G. (2018) · Research in Autism · doi:10.1016/j.rasd.2018.02.001 · Cited by 42
“This was demonstrated in a report by Coolican et al. (2008) that children with ASD had weaker verbal performance compared to nonverbal sections on the SB5 (2012), and by findings of other researchers (Mayes & Calhoun, 2003) using different intelligence assessments.”
ResultGillespie‐Lynch, K., Hotez, E., Zajic, M. C., Riccio, A., DeNigris, D., Kofner, B., Bublitz, D., Gaggi, N. L., & Luca, K. (2020) · Autism · doi:10.1177/1362361320929453 · Cited by 52
“These patterns mirror variations in IQ, aligning with evidence that written expression and IQ are often associated among autistic youth (Mayes & Calhoun, 2003b, 2008).”
BackgroundResultInfluentialRosenblum, S., Amit-Ben-Simhon, H., & Gal, E. (2015) · Research in Autism · doi:10.1016/j.rasd.2015.11.004 · Cited by 41
Autism Spectrum Disorders: Phenotype and Diagnosis
(2006) · CRC Press eBooks · doi:10.1201/9781420004205-6 · Cited by 40
Zaidman‐Zait, A., Mirenda, P., Szatmári, P., Duku, E., Smith, I. M., Zwaigenbaum, L., Vaillancourt, T., Kerns, C. M., Volden, J., Waddell, C., et al. (2020) · Journal of Clinical Child & Adolescent Psychology · doi:10.1080/15374416.2020.1750021 · Cited by 40
Couteur, A. S. L., & Szatmári, P. (2015) · Wiley eBooks · doi:10.1002/9781118381953.ch51 · Cited by 49
Numerical Estimation in Children With Autism
Aagten‐Murphy, D., Attucci, C., Daniel, N., Klaric, E., Burr, D. C., & Pellicano, E. (2015) · Autism Research · doi:10.1002/aur.1482 · Cited by 41
“Yet between 6% (Jones et al., 2009) and 22% (Mayes & Calhoun, 2003a) of children and adolescents with autism were reported to struggle with calculation and mental arithmetic to an extent that their maths difficulties were incommensurate with intellectual functioning, indicative of a specific…”
Social skills characteristics of students with autism spectrum disorder
Syriopoulou–Delli, C. K., Agaliotis, I., & Papaefstathiou, E. (2016) · International Journal of Developmental Disabilities · doi:10.1080/20473869.2016.1219101 · Cited by 53
Williams Syndrome, Human Self-Domestication, and Language Evolution
Niego, A., & Benítez‐Burraco, A. (2019) · Frontiers in Psychology · doi:10.3389/fpsyg.2019.00521 · Cited by 35
Khowaja, K., Salim, S. S., Asemi, A., Ghulamani, S., & Shah, A. (2019) · Universal Access in the Information Society · doi:10.1007/s10209-019-00646-1 · Cited by 36
“It consists of two different components: decoding and language comprehension [56, 115, 124, 128, 148].”
BackgroundOromotor skills in autism spectrum disorder: A scoping review
Maffei, M. F., Chenausky, K. V., Gill, S. V., Tager-Flusberg, H. B., & Green, J. R. (2023) · Autism Research · doi:10.1002/aur.2923 · Cited by 43
“This heterogeneity has been observed in domains such as language (Rapin, 2006; Tager-Flusberg, 2006) and IQ (Mayes & Calhoun, 2003), as well at the levels of genetics (Szatmari, 1999) and neuroimaging (Martinez-Murcia et al., 2017).”
BackgroundUsing IQ Discrepancy Scores To Examine the Neural Correlates of Specific Cognitive Abilities
Margolis, A. E., Bansal, R., Hao, X., Algermissen, M., Erickson, C., Klahr, K., Naglieri, J. A., & Peterson, B. S. (2013) · Journal of Neuroscience · doi:10.1523/jneurosci.0775-13.2013 · Cited by 35
Evaluating motor cortical oscillations and age-related change in autism spectrum disorder
Gaetz, W. C., Rhodes, E., Bloy, L., Blaskey, L. G., Jackel, C. R., Brodkin, E. S., Waldman, A. T., Embick, D., Hall, S., & Roberts, T. P. L. (2019) · NeuroImage · doi:10.1016/j.neuroimage.2019.116349 · Cited by 33
“With respect for divided opinions, we use both approaches to terminology in this paper. impaired in children with ASD [4, 22-24].”
Indicators of Intellectual Disabilities in Young Children with Autism Spectrum Disorders
Rivard, M., Terroux, A., Mercier, C., & Parent-Boursier, C. (2014) · Journal of Autism and Developmental Disorders · doi:10.1007/s10803-014-2198-3 · Cited by 39
Arciuli, J., Stevens, K., Trembath, D. L., & Simpson, I. C. (2013) · Journal of Speech Language and Hearing Research · doi:10.1044/1092-4388(2013/12-0034 · Cited by 33
Southon, C. (2022) · Frontiers in Psychology · doi:10.3389/fpsyg.2022.958013 · Cited by 33
“Research has often associated academic achievement with IQ (Watson and Monroe, 1990; Mayes and Calhoun, 2003; Mayes et al., 2009).”
BackgroundUntrivial Pursuit: Measuring Motor Procedures Learning in Children with Autism
Sparaci, L., Formica, D., Lasorsa, F. R., Mazzone, L., Valeri, G., & Vicari, S. (2015) · Autism Research · doi:10.1002/aur.1455 · Cited by 33
Mayes, S. D., Frye, S. S., Breaux, R., & Calhoun, S. L. (2018) · Journal of Developmental and Physical Disabilities · doi:10.1007/s10882-018-9598-9 · Cited by 32
Iuculano, T., Padmanabhan, A., Chen, L., Nicholas, J., Mitsven, S. G., Angeles, C. D. L., & Menon, V. (2020) · Developmental Cognitive Neuroscience · doi:10.1016/j.dcn.2020.100754 · Cited by 34
“, 1994) and underachievement (Chiang and Lin, 2007; Estes et al., 2011; Mayes and Calhoun, 2003) have been reported in the extant literature.”
BackgroundHaq, I., & Couteur, A. S. L. (2004) · Medicine · doi:10.1383/medc.32.8.61.43165 · Cited by 38
Developmental milestones in early childhood and genetic liability to neurodevelopmental disorders
Hannigan, L. J., Askeland, R. B., Ask, H., Tesli, M., Corfield, E. C., Ayorech, Z., Magnus, P. M., Njølstad, P. R., Øyen, A., Stoltenberg, C., et al. (2021) · Psychological Medicine · doi:10.1017/s0033291721003330 · Cited by 37
“Children ’ s timely attainment of developmental milestones is an important indicator of the extent to which early neurodevelopment is progressing typically (Bishop, Thurm, Farmer, & Lord, 2016; Johnson, Gliga, Jones, & Charman, 2015; Mayes & Calhoun, 2003).”
Neuropsychology of Child Psychopathology
Tramontana, M. G., Hooper, S. R., Watts‐English, T., Ellison, T., & Bethea, T. C. (2008) · Springer eBooks · doi:10.1007/978-0-387-78867-8_5 · Cited by 30
The Behavioral Manifestations of Autism Spectrum Disorders
Kim, S. H., & Lord, C. (2013) · The Neuroscience of Autism Spectrum Disorders · doi:10.1016/b978-0-12-391924-3.00002-8 · Cited by 31
Metadata
- Authors
- Mayes, S. D., & Calhoun, S. L.
- Affiliations
- Pennsylvania State University (US)
- Venue
- Autism
- Publisher
- SAGE Publications
- Published
- 2003-03
- Volume
- 7
- Issue
- 1
- Pages
- 65-80
- ISSN
- 1362-3613 (ISSN-L)
- 1461-7005
- OpenAlex
- W2059046774
- Cited by
- 247
- References
- 45
- Citations by year
- 2026: 2 · 2025: 6 · 2024: 12 · 2023: 5 · 2022: 15 · 2021: 16 · 2020: 15 · 2019: 13 · 2018: 10 · 2017: 13 · 2016: 13 · 2015: 17 · 2014: 13 · 2013: 17 · 2012: 16
- FWCI
- 1.96
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Autism (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
- Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Developmental and Educational Neuropsychology
- Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
- Keywords
- ability profiles, IQ, age effects, verbal IQ, non-verbal IQ, motor development, speech development, visual reasoning, graphomotor skills, academic performance, reading, writing, spelling, MATH
- MeSH terms
- Adolescent, Age Factors, Autistic Disorder, Child, Child, Preschool, Cognition Disorders, Female, Humans, Intelligence, Male, Motor Skills, Reading, Speech Disorders, Writing
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