Regression in autistic spectrum disorders

Neuropsychology Review

Volumn 18, Issue 4, 2008, Pages 305-319

  Stefanatos, Gerry A ^a  

^a TEMPLE UNIVERSITY   (United States)

Author keywords

Assessment; Autistic disorder; Autistic regression; DSM IV; Environmental influences; Gender differences; Genetic influences; Neuropsychological impairment; Prevalence; Subtypes

Indexed keywords

ANTICONVULSIVE AGENT;

ANTECEDENT VARIABLE; AUTISM; DISEASE ACTIVITY; ELECTROENCEPHALOGRAM; ENVIRONMENTAL FACTOR; HEREDITY; HUMAN; LANDAU KLEFFNER SYNDROME; LANGUAGE; LONG TERM CARE; MOTOR PERFORMANCE; ONSET AGE; OUTCOME ASSESSMENT; PATHOPHYSIOLOGY; PREVALENCE; PROGNOSIS; REMISSION; REVIEW; SINGLE PHOTON EMISSION COMPUTER TOMOGRAPHY; SOCIAL ADAPTATION; SOCIAL BEHAVIOR; SOCIAL INTERACTION;

AUTISTIC DISORDER; ENVIRONMENT; HUMANS; PREVALENCE; REGRESSION (PSYCHOLOGY); SEX CHARACTERISTICS; SOCIAL BEHAVIOR;

EID: 56549099567     PISSN: 10407308     EISSN: 15736660     Source Type: Journal    
DOI: 10.1007/s11065-008-9073-y     Document Type: Review

References (122)

1. APA (2000). Diagnostic and Statistical Manual of Mental Disorders (4th Edition-Text Revision). Washington, D.C.: American Psychiatric Association.
2. Baird, G., Charman, T., Pickles, A., Chandler, S., Loucas, T., Meldrum, D., et al. (2008). Regression, Developmental Trajectory and Associated Problems in Disorders in the Autism Spectrum: The SNAP Study. Journal of Autism and Developmental Disorders.
3. Baird, G., Pickles, A., Simonoff, E., Charman, T., Sullivan, P., Chandler, S., et al. (2008). Measles vaccination and antibody response in autism spectrum disorders. Archives of Disease in Childhood.
4. K. Ballaban-Gil I. Rapin R. Tuchman S. Shinnar 1996 Longitudinal examination of the behavioral, language, and social changes in a population of adolescents and young adults with autistic disorder Pediatric Neurology 15 3 217 223
5. M. L. Bauman T. L. Kemper 2003 The neuropathology of the autism spectrum disorders: what have we learned? Novartis Foundation Symposium 251 112 122 discussion 122-118, 281-197
6. P. Bernabei A. Cerquiglini F. Cortesi C. D'Ardia 2007 Regression versus no regression in the autistic disorder: developmental trajectories Journal of Autism and Developmental Disorders 37 3 580 588
7. P. Bolton P. Griffiths 1997 Association of tuberous sclerosis of temporal lobes with autism and atypical autism Lancet 349 9049 392 395
8. J. Brown P. A. Prelock 1995 Brief report: the impact of regression on language development in autism Journal of Autism and Developmental Disorders 25 3 305 309
9. S. Chakrabarti E. Fombonne 2001 Pervasive developmental disorders in preschool children JAMA 285 24 3093 3099
10. J. A. Christopher L. L. Sears P. G. Williams J. Oliver J. Hersh 2004 Familial, medical and developmental patterns of children with autism and a history ofl language regression Journal of Developmental and Physical Disabilities 16 2 163 170
11. D. F. Clarke W. Roberts M. Daraksan A. Dupuis J. McCabe H. Wood 2005 The prevalence of autistic spectrum disorder in children surveyed in a tertiary care epilepsy clinic Epilepsia 46 12 1970 1977
12. A. M. Connolly M. G. Chez A. Pestronk S. T. Arnold S. Mehta R. K. Deuel 1999 Serum autoantibodies to brain in Landau-Kleffner variant, autism, and other neurologic disorders Journal of Pediatrics 134 5 607 613
13. A. M. Connolly M. Chez B. Streif R. Keeling R. J. Tempb J. Kwon 2001 Antiendothelial autoantibodies: Characterization of antigenic targets of sera from children with Landau-Kleffner syndrome, Landau-Kleffner variant, autism, and epilepsy Annals of Neurology 50 3 S123 S123
14. A. M. Connolly M. Chez E. M. Streif R. M. Keeling P. T. Golumbek J. M. Kwon 2006 Brain-derived neurotrophic factor and autoantibodies to neural antigens in sera of children with autistic spectrum disorders, Landau-Kleffner syndrome, and epilepsy Biological Psychiatry 59 4 354 363
15. A. M. Connolly E. M. Streif M. G. Chez 2003 Brain-derived neurotrophic factor and antibodies to brain-derived neurotrophic factor are elevated in children with autism, autism with regression, and epilepsy Annals of Neurology 54 S146 S147
16. E. Courchesne K. Pierce C. M. Schumann E. Redcay J. A. Buckwalter D. P. Kennedy 2007 Mapping early brain development in autism Neuron 56 2 399 413
17. E. M. Creak 1961 Schizophrenic syndrome in childhood: progress report of a working party Cerebral Palsy Bulletin 3 501 504
18. L. Dales S. J. Hammer N. J. Smith 2001 Time trends in autism and in MMR immunization coverage in California Journal of the American Medical Association 285 9 1183 1185
19. M. Davidovitch L. Glick G. Holtzman E. Tirosh M. P. Safir 2000 Developmental regression in autism: maternal perception Journal of Autism and Developmental Disorders 30 2 113 119
20. M. Davidovitch G. Holtzman E. Tirosh 2001 Autism in the Haifa area-an epidemiological perspective The Israel Medical Association Journal 3 3 188 189
21. G. Dawson 2008 Early behavioral intervention, brain plasticity, and the prevention of autism spectrum disorder Development and Psychopathology 20 3 775 803
22. G. Dawson J. Munson S. J. Webb T. Nalty R. Abbott K. Toth 2007 Rate of head growth decelerates and symptoms worsen in the second year of life in autism Biological Psychiatry 61 4 458 464
23. A. De Giacom E. Fombonne 1998 Parental recognition of developmental abnormalities in autism European Child and Adolescent Psychiatry 7 131 136
24. G. R. DeLong S. C. Bean F. R. Brown III. 1981 Acquired reversible autistic syndrome in acute encephalopathic illness in children Archives of Neurology 38 3 191 194
25. DeMyer, M. K. (1979). Parents and Children in Autism. Washington, DC: Winston.
26. T. Deonna E. Roulet-Perez H. Chappuis A. L. Ziegler 2007 Autistic regression associated with seizure onset in an infant with tuberous sclerosis Developmental Medicine and Child Neurology 49 4 320
27. T. Deonna A.-L. Ziegler M.-I. Maeder F. Ansermet E. Roulet 1995 Reversible behavioural autistic-like regression: A manifestation of a special (new?) epileptic syndrome in a 28-month-old child: A 2-year longitudinal study Neurocase 1 2 91 99
28. T. Deonna A. L. Ziegler J. Moura-Serra G. Innocenti 1993 Autistic regression in relation to limbic pathology and epilepsy: report of two cases Developmental Medicine and Child Neurology 35 2 166 176
29. F. DeStefano T. K. Bhasin W. W. Thompson M. Yeargin-Allsopp C. Boyle 2004 Age at first measles-mumps-rubella vaccination in children with autism and school-matched control subjects: a population-based study in metropolitan atlanta Pediatrics 113 2 259 266
30. L. Eisenberg 1956 The autistic child in adolescence American Journal of Psychiatry 112 607 612
31. C. P. Farrington E. Miller B. Taylor 2001 MMR and autism: further evidence against a causal association Vaccine 19 27 3632 3635
32. E. Fombonne S. Chakrabarti 2001 No evidence for a new variant of measles-mumps-rubella-induced autism Pediatrics 108 4 E58
33. U. Frith F. Happe 2005 Autism spectrum disorder Current Biology 15 19 R786 790
34. L. Gabis J. Pomeroy M. R. Andriola 2005 Autism and epilepsy: cause, consequence, comorbidity, or coincidence? Epilepsy and Behavior 7 4 652 656
35. C. Gillberg 1986 Onset at age 14 of a typical autistic syndrome. A case report of a girl with herpes simplex encephalitis Journal of Autism and Developmental Disorders 16 3 369 375
36. C. Gillberg S. Steffenburg 1987 Outcome and prognostic factors in infantile autism and similar conditions: A population-based study of 46 cases followed through puberty Journal of Autism and Developmental Disorders 17 2 273 287
37. W. A. Goldberg K. Osann P. A. Filipek T. Laulhere K. Jarvis C. Modahl 2003 Language and other regression: assessment and timing Journal of Autism and Developmental Disorders 33 6 607 616
38. W. A. Goldberg K. L. Thorsen K. Osann M. A. Spence 2008 Use of home videotapes to confirm parental reports of regression in autism Journal of Autism and Developmental Disorders 38 6 1136 1146
39. R. L. Hansen S. Ozonoff P. Krakowiak K. Angkustsiri C. Jones L. J. Deprey 2008 Regression in autism: prevalence and associated factors in the CHARGE Study Ambul Pediatr 8 1 25 31
40. J. Harper S. Williams 1975 Age and type of onset as critical variables in early infantile autism Journal of Autism and Childhood Schizophrenia 5 1 25 36
41. A. H. Hoon Jr. A. L. Reiss 1992 The mesial-temporal lobe and autism: case report and review Developmental Medicine and Child Neurology 34 3 252 259
42. Y. Hoshino M. Kaneko Y. Yashima H. Kumashiro F. R. Volkmar D. J. Cohen 1987 Clinical features of autistic children with setback course in their infancy Japanese Journal of Psychiatry and Neurology 41 2 237 245
43. P. B. Jayakar S. S. Seshia 1991 Electrical status epilepticus during slow-wave sleep: a review Journal of Clinical Neurophysiology 8 3 299 311
44. H. Jyonouchi S. Sun H. Le 2001 Proinflammatory and regulatory cytokine production associated with innate and adaptive immune responses in children with autism spectrum disorders and developmental regression Journal of Neuroimmunology 120 1-2 170 179
45. H. Jyonouchi S. N. Sun H. T. Le N. Itokazu 2002 Cytokine production against common dietary proteins in patients with autism spectrum disorder and developmental regression in comparison with patients with dietary protein intolerance Journal of Allergy and Clinical Immunology 109 1 S221 S221
46. L. Kanner 1943 Autistic disturbances of affective contact Nervous Child 2 217 250
47. A. Kanner 1944 Early infantile autism Journal of Pediatrics 25 211
48. R. Kobayashi T. Murata 1998 Setback phenomena in autism and long-term prognosis Acta Psychiatrica Scandinavica 98 296 303
49. H. Kurita 1985 Infantile autism with speech loss before the age of thirty months Journal of the American Academy of Child Psychiatry 24 2 191 196
50. H. Kurita 1996 Specificity and developmental consequences of speech loss in children with pervasive developmental disorders Psychiatry and Clinical Neurosciences 50 4 181 184
51. H. Kurita T. Koyama Y. Setoya K. Shimizu H. Osada 2004 Validity of childhood disintegrative disorder apart from autistic disorder with speech loss European Child and Adolescent Psychiatry 13 4 221 226
52. J. E. Lainhart S. Ozonoff H. Coon L. Krasny E. Dinh J. Nice 2002 Autism, regression, and the broader autism phenotype American Journal of Medical Genetics 113 3 231 237
53. R. Landa E. Garrett-Mayer 2006 Development in infants with autism spectrum disorders: a prospective study Journal of Child Psychology and Psychiatry 47 6 629 638
54. R. J. Landa K. C. Holman E. Garrett-Mayer 2007 Social and communication development in toddlers with early and later diagnosis of autism spectrum disorders Archives of General Psychiatry 64 7 853 864
55. J. D. Lewine R. Andrews M. Chez A. A. Patil O. Devinsky M. Smith 1999 Magnetoencephalographic patterns of epileptiform activity in children with regressive autism spectrum disorders Pediatrics 104 3 Pt 1 405 418
56. C. Lord 1995 Follow-up of two-year-olds referred for possible autism Journal of Child Psychology and Psychiatry and Allied Disciplines 36 8 1365 1382
57. C. Lord C. Shulman P. DiLavore 2004 Regression and word loss in autistic spectrum disorders Journal of Child Psychology and Psychiatry and Allied Disciplines 45 5 936 955
58. V. Lotter 1966 Epidemiology of autistic conditions in young children Psychiatry 1 124 137
59. R. Luyster J. Richler S. Risi W. L. Hsu G. Dawson R. Bernier 2005 Early regression in social communication in autism spectrum disorders: A CPEA study Developmental Neuropsychology 27 3 311 336
60. K. M. Madsen A. Hviid M. Vestergaard D. Schendel J. Wohlfahrt P. Thorsen 2002 A population-based study of measles, mumps, and rubella vaccination and autism New England Journal of Medicine 347 19 1477 1482
61. S. Maestro F. Muratori A. Cesari M. C. Cavallaro A. Paziente C. Pecini 2005 Course of autism signs in the first year of life Psychopathology 38 1 26 31
62. S. Maestro F. Muratori A. Cesari C. Pecini F. Apicella D. Stern 2006 A view to regressive autism through home movies. Is early development really normal? Acta Psychiatrica Scandinavica 113 1 68 72
63. A. E. Mars J. E. Mauk P. W. Dowrick 1998 Symptoms of pervasive developmental disorders as observed in prediagnostic home videos of infants and toddlers Journal of Pediatrics 132 3 500 504
64. K. A. McVicar K. Ballaban-Gil I. Rapin S. L. Moshe S. Shinnar 2005 Epileptiform EEG abnormalities in children with language regression Neurology 65 1 129 131
65. N. J. Minshew D. L. Williams 2007 The new neurobiology of autism: cortex, connectivity, and neuronal organization Archives of Neurology 64 7 945 950
66. C. A. Molloy M. Keddache L. J. Martin 2005 Evidence for linkage on 21q and 7q in a subset of autism characterized by developmental regression Molecular Psychiatry 10 8 741 746
67. C. A. Molloy A. L. Morrow J. Meinzen-Derr G. Dawson R. Bernier M. Dunn 2006 Familial autoimmune thyroid disease as a risk factor for regression in children with Autism Spectrum Disorder: a CPEA Study Journal of Autism and Developmental Disorders 36 3 317 324
68. P. Mundy 2003 Annotation: The neural basis of social impairments in autism: the role of the dorsal medial-frontal cortex and anterior cingulate system Journal of Child Psychology and Psychiatry and Allied Disciplines 44 6 793 809
69. R. Nass O. Devinsky 1999 Autistic regression with rolandic spikes Neuropsychiatry, Neuropsychology, and Behavioral Neurology 12 3 193 197
70. R. Nass A. Gross O. Devinsky 1998 Autism and autistic epileptiform regression with occipital spikes Developmental Medicine and Child Neurology 40 7 453 458
71. R. Nass A. Gross J. Wisoff O. Devinsky 1999 Outcome of multiple subpial transections for autistic epileptiform regression Pediatric Neurology 21 1 464 470
72. R. Nass D. Petrucha 1990 Acquired aphasia with convulsive disorder: a pervasive developmental disorder variant Journal of Child Neurology 5 327 328
73. B. G. Neville W. F. Harkness J. H. Cross H. C. Cass V. C. Burch J. A. Lees 1997 Surgical treatment of severe autistic regression in childhood epilepsy Pediatric Neurology 16 2 137 140
74. S. Nevsimalova A. Tauberova S. Doutlik V. Kucera O. Dlouha 1992 A role of autoimmunity in the etiopathogenesis of Landau Kleffner syndrome? Brain Development 14 342 345
75. K. Nickels E. Wirrell 2008 Electrical status epilepticus in sleep Seminars in Pediatric Neurology 15 2 50 60
76. J. Osterling G. Dawson 1994 Early recognition of children with autism: A study of first birthday home videotapes Journal of Autism and Developmental Disorders 24 3 247 257
77. S. Ozonoff B. J. Williams R. Landa 2005 Parental report of the early development of children with regressive autism: the delays-plus-regression phenotype Autism 9 5 461 486
78. J. R. Parr J. A. Lamb A. J. Bailey A. P. Monaco 2006 Response to paper by Molloy et al.: linkage on 21q and 7q in autism subset with regression Molecular Psychiatry 11 7 617 619 author reply 619
79. P. Pavone G. Incorpora A. Fiumara E. Parano R. R. Trifiletti M. Ruggieri 2004 Epilepsy is not a prominent feature of primary autism Neuropediatrics 35 4 207 210
80. A. V. Plioplys 1994 Autism - Electroencephalogram Abnormalities and Clinical Improvement with Valproic Acid Archives of Pediatrics and Adolescent Medicine 148 2 220 222
81. J. Richler R. Luyster S. Risi W. L. Hsu G. Dawson R. Bernier 2006 Is there a 'regressive phenotype' of Autism Spectrum Disorder associated with the measles-mumps-rubella vaccine? A CPEA Study Journal of Autism and Developmental Disorders 36 3 299 316
82. S. J. Rogers 2004 Developmental regression in autism spectrum disorders Mental Retardation and Developmental Disabilities Research Review 10 2 139 143
83. S. J. Rogers D. L. DiLalla 1990 Age of symptom onset in young children with pervasive developmental disorders Journal of the American Academy of Child and Adolescent Psychiatry 29 6 863 872
84. E. Roulet T. Deonna F. Gaillard C. Peter-Favre P. A. Despland 1991 Acquired aphasia, dementia, and behavior disorder with epilepsy and continuous spike and waves during sleep in a child Epilepsia 32 4 495 503
85. Rutter, M. (1984). Cognitive deficits in the pathogenesis of autism. Annual Progress in Child Psychiatry & Child Development.
86. M. Rutter 2005 Aetiology of autism: findings and questions Journal of Intellectual Disability Research 49 Pt 4 231 238
87. M. Rutter L. Lockyer 1967 A five to fifteen year follow-up study of infantile psychosis. I Description of the sample 113 1182 1182
88. S. Shinnar I. Rapin S. Arnold R. F. Tuchman L. Shulman K. Ballaban-Gil 2001 Language regression in childhood Pediatric Neurology 24 3 183 189
89. A. B. Short E. Schopler 1988 Factors relating to age of onset in autism Journal of Autism and Developmental Disorders 18 2 207 216
90. H. S. Singer C. M. Morris C. D. Gause P. K. Gillin S. Crawford A. W. Zimmerman 2008 Antibodies against fetal brain in sera of mothers with autistic children Journal of Neuroimmunology 194 1-2 165 172
91. V. K. Singh W. H. Rivas 2004 Prevalence of serum antibodies to caudate nucleus in autistic children Neuroscience Letters 355 1-2 53 56
92. V. K. Singh R. Warren R. Averett M. Ghaziuddin 1997 Circulating autoantibodies to neuronal and glial filament proteins in autism Pediatric Neurology 17 1 88 90
93. G. A. Stefanatos W. Grover E. Geller 1995 Case-Study - Corticosteroid Treatment of Language Regression in Pervasive Developmental Disorder Journal of the American Academy of Child and Adolescent Psychiatry 34 8 1107 1111
94. Stefanatos, G. A., & Joe, W. Q. (2008). Autistic disorder. In J. E. Morgan, & J. Ricker (Eds.), Textbook of Clincal Neuropsychology (pp. 185-260). New York: Taylor and Francis.
95. G. A. Stefanatos M. Kinsbourne J. Wasserstein 2002 Acquired epileptiform aphasia: a dimensional view of Landau-Kleffner syndrome and the relation to regressive autistic spectrum disorders Child Neuropsychology 8 3 195 228
96. S. Steffenburg C. Gillberg U. Steffenburg 1996 Psychiatric disorders in children and adolescents with mental retardation and active epilepsy Archives of Neurology 53 9 904 912
97. W. L. Stone E. B. Lee L. Ashford J. Brissie S. L. Hepburn E. E. Coonrod 1999 Can autism be diagnosed accurately in children under 3 years? Journal of Child Psychology and Psychiatry and Allied Disciplines 40 2 219 226
98. H. Takahashi S. Suzumura F. Shirakizawa N. Wada K. Tanaka-Taya S. Arai 2003 An epidemiological study on Japanese autism concerning routine childhood immunization history Japanese Journal of Infectious Diseases 56 3 114 117
99. C. A. Tassinari G. Rubboli L. Volpi S. Meletti G. d'Orsi M. Franca 2000 Encephalopathy with electrical status epilepticus during slow sleep or ESES syndrome including the acquired aphasia Clinical Neurophysiology 11 Suppl 2 S94 S102
100. B. Taylor E. Miller R. Lingam N. Andrews A. Simmons J. Stowe 2002 Measles, mumps, and rubella vaccination and bowel problems or developmental regression in children with autism: population study British Medical Journal 324 7334 393 396
101. R. Tuchman 2006 Autism and epilepsy: what has regression got to do with it? Epilepsy Currents 6 4 107 111
102. R. F. Tuchman I. Rapin 1997 Regression in pervasive developmental disorders: seizures and epileptiform electroencephalogram correlates Pediatrics 99 4 560 566
103. P. Uldall L. Sahlholdt J. Alving 2000 Landau-Kleffner syndrome with onset at 18 months and an initial diagnosis of pervasive developmental disorder European Journal of Paediatric Neurology 4 2 81 86
104. M. Van Hirtum-Das E. A. Licht S. Koh J. Y. Wu W. D. Shields R. Sankar 2006 Children with ESES: variability in the syndrome Epilepsy Research 70 Suppl 1 S248 258
105. F. R. Volkmar D. M. Stier D. J. Cohen 1985 Age of recognition of pervasive developmental disorder American Journal of Psychiatry 142 12 1450 1452
106. A. J. Wakefield 2003 Measles, mumps, and rubella vaccination and autism New England Journal of Medicine 348 10 951 954 author reply 951-954
107. A. J. Wakefield S. H. Murch A. Anthony J. Linnell D. M. Casson M. Malik 1998 Ileal-lymphoid-nodular hyperplasia, non-specific colitis, and pervasive developmental disorder in children Lancet 351 9103 637 641
108. N. C. Walz A. W. Byars J. C. Egelhoff D. N. Franz 2002 Supratentorial tuber location and autism in tuberous sclerosis complex Journal of Child Neurology 17 11 830 832
109. R. P. Warren V. K. Singh R. E. Averett J. D. Odell A. Maciulis R. A. Burger 1996 Immunogenetic studies in autism and related disorders Molecular and Chemical Neuropathology 28 1-3 77 81
110. S. J. Webb T. Nalty J. Munson C. Brock R. Abbott G. Dawson 2007 Rate of head circumference growth as a function of autism diagnosis and history of autistic regression Journal of Child Neurology 22 10 1182 1190
111. A. Weizman R. Weizman G. A. Szekely H. Wijsenbeek E. Livni 1982 Abnormal immune response to brain tissue antigen in the syndrome of autism American Journal of Psychiatry 139 11 1462 1465
112. E. Werner G. Dawson 2005 Validation of the phenomenon of autistic regression using home videotapes Archives of General Psychiatry 62 8 889 895
113. E. Werner G. Dawson J. Munson J. Osterling 2005 Variation in early developmental course in autism and its relation with behavioral outcome at 3-4 years of age Journal of Autism and Developmental Disorders 35 3 337 350
114. E. Werner G. Dawson J. Osterling N. Dinno 2000 Brief report: Recognition of autism spectrum disorder before one year of age: a retrospective study based on home videotapes Journal of Autism and Developmental Disorders 30 2 157 162
115. WHO (1992). Tenth Revision of the Internaional Classification of Diseases and Related Health Problems (ICD-10). Geneva: World Health Organization.
116. D. A. Williamson P. Bolton 1995 Brief report: atypical autism and tuberous sclerosis in a sibling pair Journal of Autism and Developmental Disorders 25 4 435 442
117. S. Wilson A. Djukic S. Shinnar C. Dharmani I. Rapin 2003 Clinical characteristics of language regression in children Developmental Medicine and Child Neurology 45 8 508 514
118. C. Y. Xi H. W. Ma Y. Lu Y. J. Zhao T. Y. Hua Y. Zhao 2007 MeCP2 gene mutation analysis in autistic boys with developmental regression Psychiatric Genetics 17 2 113 116
119. D. I. Zafeiriou A. Ververi E. Vargiami 2007 Childhood autism and associated comorbidities Brain and Development 29 5 257 272
120. A. W. Zimmerman N. T. Potter A. Stakkestad V. H. Frye 1995 Serum Immunoglobulins and Autoimmune Profiles in Children with Autism Annals of Neurology 38 3 528 528
121. H. Y. Zoghbi 2005 MeCP2 dysfunction in humans and mice Journal of Child Neurology 20 9 736 740
122. L. Zwaigenbaum S. Bryson T. Rogers W. Roberts J. Brian P. Szatmari 2005 Behavioral manifestations of autism in the first year of life International Journal of Developmental Neuroscience 23 2-3 143 152