Publications by authors named "Antonio Y Hardan"

98Publications

Enhancing Social Initiations Using Naturalistic Behavioral Intervention: Outcomes from a Randomized Controlled Trial for Children with Autism.

J Autism Dev Disord 2021 Jan 2. Epub 2021 Jan 2.

Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, School of Medicine, Stanford University, 401 Quarry Road, Stanford, CA, 94305-5719, USA.

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January 2021

Language Improvement Following Pivotal Response Treatment for Children With Developmental Disorders.

Am J Intellect Dev Disabil 2021 Jan;126(1):45-57

Jessica M. Schwartzman, Kristen Strong, Christina M. Ardel, Rachel K. Schuck, M. Estefania Millan, Jennifer M. Phillips, Antonio Y. Hardan, and Grace W. Gengoux, Stanford University.

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January 2021

Exploring Social Subtypes in Autism Spectrum Disorder: A Preliminary Study.

Autism Res 2020 08 18;13(8):1335-1342. Epub 2020 Mar 18.

Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California, USA.

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August 2020

Genetic and environmental influences on corticostriatal circuits in twins with autism

J Psychiatry Neurosci 2020 05;45(3):188-197

From the Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA (Hegarty, Lazzeroni, Raman, Hallmayer, Cleveland, Phillips, Reiss, Hardan); the Department of Biomedical Data Science, Stanford University, Stanford, CA (Lazzeroni); and the Department of Anesthesiology, Stanford University, Stanford, CA (Wolke).

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May 2020

Interrelationship Between Cognitive Control, Anxiety, and Restricted and Repetitive Behaviors in Children with 22q11.2 Deletion Syndrome.

Autism Res 2019 12 21;12(12):1737-1744. Epub 2019 Aug 21.

Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California.

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December 2019

A Pivotal Response Treatment Package for Children With Autism Spectrum Disorder: An RCT.

Pediatrics 2019 09 6;144(3). Epub 2019 Aug 6.

Department of Psychiatry and Behavioral Sciences, School of Medicine, Stanford University, Stanford, California.

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September 2019

A non randomized mentalization intervention for parents of children with autism.

Autism Res 2019 07 19;12(7):1077-1086. Epub 2019 Apr 19.

Department of Psychology, Stanford University, Stanford, California.

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July 2019

A pilot investigation of neuroimaging predictors for the benefits from pivotal response treatment for children with autism.

J Psychiatr Res 2019 04 5;111:140-144. Epub 2019 Feb 5.

Department of Psychiatry and Behavioral Sciences, Stanford University, 401 Quarry Road, Stanford, CA, 94305, USA. Electronic address:

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April 2019

Genetic and environmental influences on structural brain measures in twins with autism spectrum disorder.

Mol Psychiatry 2020 10 18;25(10):2556-2566. Epub 2019 Jan 18.

Department of Psychiatry and Behavioral Sciences, Stanford University, 401 Quarry Road, Stanford, CA, 94305, USA.

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October 2020

Cerebrospinal fluid vasopressin and symptom severity in children with autism.

Ann Neurol 2018 10 26;84(4):611-615. Epub 2018 Sep 26.

Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA.

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October 2018

Plasma anandamide concentrations are lower in children with autism spectrum disorder.

Mol Autism 2018 12;9:18. Epub 2018 Mar 12.

1Department of Psychiatry and Behavioral Sciences, Stanford University, 401 Quarry Rd., Stanford, CA 94305 USA.

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October 2018

Biomarker discovery for disease status and symptom severity in children with autism.

Psychoneuroendocrinology 2018 03 28;89:39-45. Epub 2017 Dec 28.

Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, United States.

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March 2018

A proton MR spectroscopy study of the thalamus in twins with autism spectrum disorder.

Prog Neuropsychopharmacol Biol Psychiatry 2018 Feb 21;81:153-160. Epub 2017 Sep 21.

Department of Psychiatry and Behavioral Sciences, Stanford University, 401 Quarry Road, Stanford, CA 94305, USA.

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February 2018

A Longitudinal Pilot Study of Behavioral Abnormalities in Children with Autism.

J Psychiatry Psychiatr Disord 2017 Jul 12;1(4):215-223. Epub 2017 Jul 12.

Department of Psychiatry and Behavioral Science, Stanford University School of Medicine, 401 Quarry Road, Stanford, CA, 94305, USA.

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July 2017

Incidental brain MRI findings in an autism twin study.

Autism Res 2017 Jan 22;10(1):113-120. Epub 2016 Nov 22.

Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California.

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January 2017

White matter structure in the uncinate fasciculus: Implications for socio-affective deficits in Autism Spectrum Disorder.

Psychiatry Res Neuroimaging 2016 Sep 13;255:66-74. Epub 2016 Aug 13.

Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, 401 Quarry Road, Stanford, CA, USA.

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September 2016

Equivalence of symptom dimensions in females and males with autism.

Autism 2017 08 7;21(6):749-759. Epub 2016 Aug 7.

2 Stanford University, USA.

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August 2017

Irritability and Problem Behavior in Autism Spectrum Disorder: A Practice Pathway for Pediatric Primary Care.

Pediatrics 2016 Feb 1;137 Suppl 2:S136-48. Epub 2016 Feb 1.

Department of Psychiatry, Columbia University Medical Center and New York State Psychiatric Institute, New York, New York;

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February 2016

A proton spectroscopy study of white matter in children with autism.

Prog Neuropsychopharmacol Biol Psychiatry 2016 Apr 16;66:48-53. Epub 2015 Nov 16.

Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA.

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April 2016

Quantitative autism symptom patterns recapitulate differential mechanisms of genetic transmission in single and multiple incidence families.

Mol Autism 2015 27;6:58. Epub 2015 Oct 27.

Genomic Medicine Institute, Taussig Cancer Institute, and Stanley Shalom Zielony Institute of Nursing Excellence, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195 USA.

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October 2015

Developing Medications Targeting Glutamatergic Dysfunction in Autism: Progress to Date.

CNS Drugs 2015 Jun;29(6):453-63

Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, 401 Quarry Road, Stanford, CA, 94305-5717, USA,

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June 2015

Pivotal Response Treatment Parent Training for Autism: Findings from a 3-Month Follow-Up Evaluation.

J Autism Dev Disord 2015 Sep;45(9):2889-98

Department of Psychiatry and Behavioral Sciences, Stanford University, 401 Quarry Road, Stanford, CA, 94305, USA,

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September 2015

Maladaptive Behavior in Autism Spectrum Disorder: The Role of Emotion Experience and Emotion Regulation.

J Autism Dev Disord 2015 Nov;45(11):3424-32

Department of Psychology, Stanford University, 450 Serra Mall, Bldg 420, Stanford, CA, 94305, USA.

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November 2015

Emotion regulation in autism spectrum disorder: evidence from parent interviews and children's daily diaries.

J Child Psychol Psychiatry 2015 Aug 1;56(8):903-13. Epub 2014 Dec 1.

Department of Psychology, Stanford University, Stanford, CA, USA.

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August 2015

A randomized controlled trial of Pivotal Response Treatment Group for parents of children with autism.

J Child Psychol Psychiatry 2015 Aug 27;56(8):884-92. Epub 2014 Oct 27.

Seattle Children's Hospital/Seattle Children's Research Institute, Seattle, WA, USA.

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August 2015

Autism in DSM-5 under the microscope: implications to patients, families, clinicians, and researchers.

Asian J Psychiatr 2014 Oct 3;11:93-7. Epub 2014 Sep 3.

Division of Child & Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, United States.

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October 2014

Plasma vasopressin concentrations positively predict cerebrospinal fluid vasopressin concentrations in human neonates.

Peptides 2014 Nov 19;61:12-6. Epub 2014 Aug 19.

Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA. Electronic address:

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November 2014

Emotion regulation in children and adolescents with autism spectrum disorder.

Autism Res 2015 Feb 23;8(1):9-18. Epub 2014 May 23.

Department of Psychology, Stanford University, Stanford, California.

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February 2015

Brief report: an open-label study of the neurosteroid pregnenolone in adults with autism spectrum disorder.

J Autism Dev Disord 2014 Nov;44(11):2971-7

Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, Stanford University, 401 Quarry Road, Stanford, CA, 94305, USA,

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November 2014

Dr. Frazier et al. reply.

J Am Acad Child Adolesc Psychiatry 2014 Jun;53(6):700-1

Stanford University, Stanford, CA.

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June 2014

A twin study of heritable and shared environmental contributions to autism.

J Autism Dev Disord 2014 Aug;44(8):2013-25

Center for Autism, The Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH, 44195, USA,

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August 2014

Emotion dysregulation and the core features of autism spectrum disorder.

J Autism Dev Disord 2014 Jul;44(7):1766-72

Department of Psychology, Stanford University, 450 Serra Mall, Bldg 420, Stanford, CA, 94305, USA,

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July 2014

A preliminary longitudinal volumetric MRI study of amygdala and hippocampal volumes in autism.

Prog Neuropsychopharmacol Biol Psychiatry 2014 Jan 25;48:124-8. Epub 2013 Sep 25.

Center for Interdisciplinary Brain Sciences Research, Department of Psychiatry and Behavioral Sciences, Stanford, United States.

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January 2014

A two-year longitudinal pilot MRI study of the brainstem in autism.

Behav Brain Res 2013 Aug 22;251:163-7. Epub 2013 Apr 22.

Child Neuroscience Laboratory, Child Study Center, Yale School of Medicine, 230 South Frontage Road, New Haven, CT 06519, USA.

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August 2013

A retrospective review of the effectiveness of aripiprazole in the treatment of sensory abnormalities in autism.

J Child Adolesc Psychopharmacol 2012 Jun 26;22(3):245-8. Epub 2012 Apr 26.

Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA.

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June 2012

Underutilization of genetics services for autism: the importance of parental awareness and provider recommendation.

J Genet Couns 2012 Dec 14;21(6):803-13. Epub 2012 Mar 14.

Department of Genetics, Stanford University, Stanford, CA, USA.

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December 2012

A two-year longitudinal MRI study of the corpus callosum in autism.

J Autism Dev Disord 2012 Nov;42(11):2312-22

Center for Autism (CRS10) and Pediatric Behavioral Health, Cleveland Clinic, 2801 Martin Luther King Jr. Drive, Cleveland, OH 44104, USA.

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November 2012

A randomized controlled pilot trial of oral N-acetylcysteine in children with autism.

Biol Psychiatry 2012 Jun 18;71(11):956-61. Epub 2012 Feb 18.

Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California 94305, USA.

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June 2012

Validation of proposed DSM-5 criteria for autism spectrum disorder.

J Am Acad Child Adolesc Psychiatry 2012 Jan 21;51(1):28-40.e3. Epub 2011 Nov 21.

Center for Pediatric Behavioral Health and Center for Autism, Cleveland Clinic, OH, USA.

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January 2012

Multivariate searchlight classification of structural magnetic resonance imaging in children and adolescents with autism.

Biol Psychiatry 2011 Nov 3;70(9):833-41. Epub 2011 Sep 3.

Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.

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November 2011

Safety and efficacy of donepezil in children and adolescents with autism: neuropsychological measures.

J Child Adolesc Psychopharmacol 2011 Feb;21(1):43-50

Department of Psychiatry, School of Medicine, University of Pittsburgh , Pittsburgh, PA 15203, USA.

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February 2011

Reduced central white matter volume in autism: implications for long-range connectivity.

Psychiatry Clin Neurosci 2011 Feb 22;65(1):98-101. Epub 2010 Dec 22.

Child Study Center, Yale School of Medicine, Conneticut 06519-1124, USA.

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February 2011

Enlarged right superior temporal gyrus in children and adolescents with autism.

Brain Res 2010 Nov 9;1360:205-12. Epub 2010 Sep 9.

Child Study Center and Investigative Medicine Program, Yale University School of Medicine, New Haven, CT, USA.

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November 2010

Pivotal response group treatment program for parents of children with autism.

J Autism Dev Disord 2011 Jan;41(1):92-101

Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA.

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January 2011

Cortical gyrification in autistic and Asperger disorders: a preliminary magnetic resonance imaging study.

J Child Neurol 2010 Dec 22;25(12):1462-7. Epub 2010 Apr 22.

Child Study Center and Investigative Medicine Program, Yale University School of Medicine, New Haven, CT, USA.

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December 2010

Corpus callosum volume in children with autism.

Psychiatry Res 2009 Oct 24;174(1):57-61. Epub 2009 Sep 24.

Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA.

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October 2009

A meta-analysis of the corpus callosum in autism.

Biol Psychiatry 2009 Nov 12;66(10):935-41. Epub 2009 Sep 12.

Center for Autism and Center for Pediatric Behavioral Health, Cleveland Clinic, Cleveland, Ohio 44195, USA.

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November 2009

A preliminary longitudinal magnetic resonance imaging study of brain volume and cortical thickness in autism.

Biol Psychiatry 2009 Aug 11;66(4):320-6. Epub 2009 Jun 11.

Department of Psychiatry and Behavioral Sciences, Stanford University, California 94305, USA.

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August 2009

Corpus callosum volume and neurocognition in autism.

J Autism Dev Disord 2009 Jun 23;39(6):834-41. Epub 2009 Jan 23.

Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.

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June 2009

Guanfacine in children with autism and/or intellectual disabilities.

J Dev Behav Pediatr 2008 Aug;29(4):303-8

University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.

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August 2008

An MRI and proton spectroscopy study of the thalamus in children with autism.

Psychiatry Res 2008 Jul 27;163(2):97-105. Epub 2008 May 27.

Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA.

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July 2008

Brief report: abnormal association between the thalamus and brain size in Asperger's disorder.

J Autism Dev Disord 2008 Feb 20;38(2):390-4. Epub 2007 Jul 20.

Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.

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February 2008

Morphology of the orbitofrontal cortex in first-episode schizophrenia: relationship with negative symptomatology.

Prog Neuropsychopharmacol Biol Psychiatry 2007 Mar 18;31(2):510-6. Epub 2007 Jan 18.

Interdisciplinary Lab of Neuroimaging and Cognition (LiNC), Department of Psychiatry, Federal University of Sao Paulo, Sao Paulo, Brazil.

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March 2007

Magnetic resonance imaging study of the orbitofrontal cortex in autism.

J Child Neurol 2006 Oct;21(10):866-71

Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA.

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October 2006

Abnormal brain size effect on the thalamus in autism.

Psychiatry Res 2006 Oct 30;147(2-3):145-51. Epub 2006 Aug 30.

Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.

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October 2006

Open-label, prospective trial of olanzapine in adolescents with subaverage intelligence and disruptive behavioral disorders.

J Am Acad Child Adolesc Psychiatry 2006 Aug;45(8):928-935

Dr. Handen is with the University of Pittsburgh School of Medicine and Western Psychiatric Institute and Clinic; and Dr. Hardan is with the Stanford University School of Medicine.

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August 2006

Volumetric alterations of the orbitofrontal cortex in autism.

Prog Neuropsychopharmacol Biol Psychiatry 2007 Jan 24;31(1):41-5. Epub 2006 Jul 24.

Department of Psychiatry, College of Physicians and Surgeons, Columbia University, New York State Psychiatric Institute, New York, NY, USA.

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January 2007

An MRI study of increased cortical thickness in autism.

Am J Psychiatry 2006 Jul;163(7):1290-2

Stanford University, Department of Psychiatry and Behavioral Sciences, 401 Quarry Rd., Stanford, CA 94305, USA.

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July 2006

An MRI study of minor physical anomalies in autism.

J Autism Dev Disord 2006 Jul;36(5):607-11

Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O'Hara Street, Pittsburgh, PA 15213, USA.

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July 2006

Risperidone in first-episode psychosis: a longitudinal, exploratory voxel-based morphometric study.

Schizophr Res 2006 Feb 18;82(1):89-94. Epub 2006 Jan 18.

Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O'Hara St, Pittsburgh, PA 15213, USA.

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February 2006

Retrospective study of quetiapine in children and adolescents with pervasive developmental disorders.

J Autism Dev Disord 2005 Jun;35(3):387-91

Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh 15213, USA.

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June 2005

Retrospective assessment of atomoxetine in children and adolescents with pervasive developmental disorders.

J Child Adolesc Psychopharmacol 2005 Apr;15(2):325-30

Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut, USA.

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April 2005

Reduced cortical folding in individuals at high risk for schizophrenia: a pilot study.

Schizophr Res 2005 Jun 15;75(2-3):309-13. Epub 2004 Dec 15.

Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06519, USA.

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June 2005

A retrospective assessment of topiramate in children and adolescents with pervasive developmental disorders.

J Child Adolesc Psychopharmacol 2004 ;14(3):426-32

Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.

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February 2005

Increased frontal cortical folding in autism: a preliminary MRI study.

Psychiatry Res 2004 Sep;131(3):263-8

Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.

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September 2004

The functional neuroanatomy of autism.

Funct Neurol 2004 Jan-Mar;19(1):9-17

Biological Psychiatry Unit, IRCCS S. Giovanni di Dio, Fatebenefratelli, Brescia, Italy.

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August 2004

Neuropsychiatric problems in tuberous sclerosis complex.

J Child Neurol 2004 Apr;19(4):241-9

Laboratory of Neurocognitive Development, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA.

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April 2004

Anatomic evaluation of the orbitofrontal cortex in major depressive disorder.

Biol Psychiatry 2004 Feb;55(4):353-8

Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.

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February 2004

Measurement of the orbitofrontal cortex: a validation study of a new method.

Neuroimage 2003 Jul;19(3):665-73

Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.

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July 2003

Motor performance and anatomic magnetic resonance imaging (MRI) of the basal ganglia in autism.

J Child Neurol 2003 May;18(5):317-24

Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.

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May 2003

A retrospective open trial of adjunctive donepezil in children and adolescents with autistic disorder.

J Child Adolesc Psychopharmacol 2002 ;12(3):237-41

Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15213, USA.

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January 2003