Antonio Hardan, M.D.

Psychiatrist

Professor of Psychiatry and Behavioral Sciences at the Stanford University Medical Center

Professional Education

Internship: St Elizabeth Hospital (1991) DC

Medical Education: St Joseph's University (1988) Lebanon

Board Certification: Child and Adolescent Psychiatry, American Board of Psychiatry and Neurology (1997)

Fellowship: University of Pittsburgh (1996) PA

Board Certification: Psychiatry, American Board of Psychiatry and Neurology (1995)

Residency: Strong Memorial Hospital (1993) NY

Administrative Appointments

Acting Director, Division of Child and Adolescent Psychiatry (2013 - Present)

Medical Director, Outpatient Program, Division of Child and Adolescent Psychiatry (2011 - Present)

Director, Autism and Developmental Disabilities Clinic (2006 - Present)

A twin study of heritable and shared environmental contributions to autism.
Frazier, T. W., Thompson, L., Youngstrom, E. A., Law, P., Hardan, A. Y., & Morris, N. (2014). A twin study of heritable and shared environmental contributions to autism. Journal of autism and developmental disorders, 44(8), 2013-2025.

Emotion Dysregulation and the Core Features of Autism Spectrum Disorder
Samson, A. C., Phillips, J. M., Parker, K. J., Shah, S., Gross, J. J., & Hardan, A. Y. (2014). Emotion Dysregulation and the Core Features of Autism Spectrum Disorder. JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS, 44(7), 1766-1772.

Demographic and clinical correlates of autism symptom domains and autism spectrum diagnosis
Frazier, T. W., Youngstrom, E. A., Embacher, R., Hardan, A. Y., Constantino, J. N., & Eng, C. (2014). Demographic and clinical correlates of autism symptom domains and autism spectrum diagnosis. AUTISM, 18(5), 571-582.

Dr. Frazier et al. reply.
Frazier, T. W., Georgiades, S., Bishop, S. L., & Hardan, A. Y. (2014). Dr. Frazier et al. reply. Journal of the American Academy of Child and Adolescent Psychiatry, 53(6), 700-701.

Behavioral and cognitive characteristics of females and males with autism in the simons simplex collection.
Frazier, T. W., Georgiades, S., Bishop, S. L., & Hardan, A. Y. (2014). Behavioral and cognitive characteristics of females and males with autism in the simons simplex collection. Journal of the American Academy of Child and Adolescent Psychiatry, 53(3), 329-340 e3.

A preliminary longitudinal volumetric MRI study of amygdala and hippocampal volumes in autism
Barnea-Goraly, N., Frazier, T. W., Piacenza, L., Minshew, N. J., Keshavan, M. S., & Hardan, A. Y. (2014). A preliminary longitudinal volumetric MRI study of amygdala and hippocampal volumes in autism. PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY, 48, 124-128.

A scoring strategy combining statistics and functional genomics supports a possible role for common polygenic variation in autism.
Carayol, J., Schellenberg, G. D., Dombroski, B., Amiet, C., Génin, B., & Rio Frio, T. (2014). A scoring strategy combining statistics and functional genomics supports a possible role for common polygenic variation in autism. Frontiers in genetics, 5, 33-?.

A two-year longitudinal pilot MRI study of the brainstem in autism.
Jou, R. J., Frazier, T. W., Keshavan, M. S., Minshew, N. J., & Hardan, A. Y. (2013). A two-year longitudinal pilot MRI study of the brainstem in autism. Behavioural brain research, 251, 163-167.

Impact of Pivotal Response Training Group Therapy on Stress and Empowerment in Parents of Children With Autism
Minjarez, M. B., Mercier, E. M., Williams, S. E., & Hardan, A. Y. (2013). Impact of Pivotal Response Training Group Therapy on Stress and Empowerment in Parents of Children With Autism. JOURNAL OF POSITIVE BEHAVIOR INTERVENTIONS, 15(2), 71-78.

Parental Interest in a Genetic Risk Assessment Test for Autism Spectrum Disorders
Narcisa, V., Discenza, M., Vaccari, E., Rosen-Sheidley, B., Hardan, A. Y., & Couchon, E. (2013). Parental Interest in a Genetic Risk Assessment Test for Autism Spectrum Disorders. CLINICAL PEDIATRICS, 52(2), 139-146.

Demographic and clinical correlates of autism symptom domains and autism spectrum diagnosis
Frazier, Tw., Youngstrom, Ea., Embacher, R., Hardan, Ay., Constantino, Jn., & Eng, C. (2013). Demographic and clinical correlates of autism symptom domains and autism spectrum diagnosis. Autism.

Priapism Associated with Risperidone in a 21-Year-Old Male with Autism.
Pradhan, T., & Hardan, A. (2013). Priapism Associated with Risperidone in a 21-Year-Old Male with Autism. Journal of child and adolescent psychopharmacology.

Underutilization of Genetics Services for Autism: The Importance of Parental Awareness and Provider Recommendation
Vande Wydeven, K., Kwan, A., Hardan, A. Y., & Bernstein, J. A. (2012). Underutilization of Genetics Services for Autism: The Importance of Parental Awareness and Provider Recommendation. JOURNAL OF GENETIC COUNSELING, 21(6), 803-813.

Clinical practice pathways for evaluation and medication choice for attention-deficit/hyperactivity disorder symptoms in autism spectrum disorders.
Mahajan, R., Bernal, M. P., Panzer, R., Whitaker, A., Roberts, W., & Veenstra-VanderWeele, J. (2012). Clinical practice pathways for evaluation and medication choice for attention-deficit/hyperactivity disorder symptoms in autism spectrum disorders. Pediatrics, 130, S125-38.

A Two-Year Longitudinal MRI Study of the Corpus Callosum in Autism
Frazier, T. W., Keshavan, M. S., Minshew, N. J., & Hardan, A. Y. (2012). A Two-Year Longitudinal MRI Study of the Corpus Callosum in Autism. JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS, 42(11), 2312-2322.

A Retrospective Review of the Effectiveness of Aripiprazole in the Treatment of Sensory Abnormalities in Autism
Fung, L. K., Chahal, L., Libove, R. A., Bivas, R., & Hardan, A. Y. (2012). A Retrospective Review of the Effectiveness of Aripiprazole in the Treatment of Sensory Abnormalities in Autism. JOURNAL OF CHILD AND ADOLESCENT PSYCHOPHARMACOLOGY, 22(3), 245-248.

A Randomized Controlled Pilot Trial of Oral N-Acetylcysteine in Children with Autism
Hardan, A. Y., Fung, L. K., Libove, R. A., Obukhanych, T. V., Nair, S., & Tirouvanziam, R. (2012). A Randomized Controlled Pilot Trial of Oral N-Acetylcysteine in Children with Autism. BIOLOGICAL PSYCHIATRY, 71(11), 956-961.

Distinct Plasma Profile of Polar Neutral Amino Acids, Leucine, and Glutamate in Children with Autism Spectrum Disorders
Tirouvanziam, R., Obukhanych, T. V., Laval, J., Aronov, P. A., Libove, R., & Hardan, A. Y. (2012). Distinct Plasma Profile of Polar Neutral Amino Acids, Leucine, and Glutamate in Children with Autism Spectrum Disorders. JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS, 42(5), 827-836.

Validation of Proposed DSM-5 Criteria for Autism Spectrum Disorder
Frazier, T. W., Youngstrom, E. A., Speer, L., Embacher, R., Law, P., & Eng, C. (2012). Validation of Proposed DSM-5 Criteria for Autism Spectrum Disorder. JOURNAL OF THE AMERICAN ACADEMY OF CHILD AND ADOLESCENT PSYCHIATRY, 51(1), 28-40.

Advances in clinical neuroimaging: implications for autism spectrum disorders.
Barnea-Goraly, N., & Hardan, A. (2011). Advances in clinical neuroimaging: implications for autism spectrum disorders. Expert opinion on medical diagnostics, 5(6), 475-482.

Multivariate Searchlight Classification of Structural Magnetic Resonance Imaging in Children and Adolescents with Autism
Uddin, L. Q., Menon, V., Young, C. B., Ryali, S., Chen, T., & Hardan, A. Y. (2011). Multivariate Searchlight Classification of Structural Magnetic Resonance Imaging in Children and Adolescents with Autism. BIOLOGICAL PSYCHIATRY, 70(9), 833-841.

Safety and Efficacy of Donepezil in Children and Adolescents with Autism: Neuropsychological Measures
Handen, B. L., Johnson, C. R., McAuliffe-Bellin, S., Murray, P. J., & Hardan, A. Y. (2011). Safety and Efficacy of Donepezil in Children and Adolescents with Autism: Neuropsychological Measures. JOURNAL OF CHILD AND ADOLESCENT PSYCHOPHARMACOLOGY, 21(1), 43-50.

Reduced central white matter volume in autism: Implications for long-range connectivity
Jou, R. J., Mateljevic, N., Minshew, N. J., Keshavan, M. S., & Hardan, A. Y. (2011). Reduced central white matter volume in autism: Implications for long-range connectivity. PSYCHIATRY AND CLINICAL NEUROSCIENCES, 65(1), 98-101.

Pivotal Response Group Treatment Program for Parents of Children with Autism
Minjarez, M. B., Williams, S. E., Mercier, E. M., & Hardan, A. Y. (2011). Pivotal Response Group Treatment Program for Parents of Children with Autism. JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS, 41(1), 92-101.

Cortical Gyrification in Autistic and Asperger Disorders: A Preliminary Magnetic Resonance Imaging Study
Jou, R. J., Minshew, N. J., Keshavan, M. S., & Hardan, A. Y. (2010). Cortical Gyrification in Autistic and Asperger Disorders: A Preliminary Magnetic Resonance Imaging Study. JOURNAL OF CHILD NEUROLOGY, 25(12), 1462-1467.

Enlarged right superior temporal gyrus in children and adolescents with autism
Jou, R. J., Minshew, N. J., Keshavan, M. S., Vitale, M. P., & Hardan, A. Y. (2010). Enlarged right superior temporal gyrus in children and adolescents with autism. BRAIN RESEARCH, 1360, 205-212.

Risperidone: Switching from Brand Name to Generic
Hardan, A. Y., Fung, L. K., & Amin, H. (2010). Risperidone: Switching from Brand Name to Generic. JOURNAL OF CHILD AND ADOLESCENT PSYCHOPHARMACOLOGY, 20(5), 457-458.

Dorsolateral Prefrontal Cortex Magnetic Resonance Imaging Measurements and Cognitive Performance in Autism
Griebling, J., Minshew, N. J., Bodner, K., Libove, R., Bansal, R., & Hardan, A. (2010). Dorsolateral Prefrontal Cortex Magnetic Resonance Imaging Measurements and Cognitive Performance in Autism. JOURNAL OF CHILD NEUROLOGY, 25(7), 856-863.

Evidence for Anatomical Alterations in the Corpus Callosum in Autism Spectrum Disorders
Frazier T, Barnea-Goraly N, & Hardan A. (2010). Evidence for Anatomical Alterations in the Corpus Callosum in Autism Spectrum Disorders. European Psychiatric Review, 3.

A Meta-Analysis of the Corpus Callosum in Autism
Frazier, T. W., & Hardan, A. Y. (2009). A Meta-Analysis of the Corpus Callosum in Autism. BIOLOGICAL PSYCHIATRY, 66(10), 935-941.

Corpus callosum volume in children with autism
Hardan, A. Y., Pabalan, M., Gupta, N., Bansal, R., Melhem, N. M., & Minshew, N. J. (2009). Corpus callosum volume in children with autism. PSYCHIATRY RESEARCH-NEUROIMAGING, 174(1), 57-61.

A Preliminary Longitudinal Magnetic Resonance Imaging Study of Brain Volume and Cortical Thickness in Autism
Hardan, A. Y., Libove, R. A., Keshavan, M. S., Melhem, N. M., & Minshew, N. J. (2009). A Preliminary Longitudinal Magnetic Resonance Imaging Study of Brain Volume and Cortical Thickness in Autism. BIOLOGICAL PSYCHIATRY, 66(4), 320-326.

Brainstem volumetric alterations in children with autism
Jou, R. J., Minshew, N. J., Melhem, N. M., Keshavan, M. S., & Hardan, A. Y. (2009). Brainstem volumetric alterations in children with autism. PSYCHOLOGICAL MEDICINE, 39(8), 1347-1354.

Corpus Callosum Volume and Neurocognition in Autism
Keary, C. J., Minshew, N. J., Bansal, R., Goradia, D., Fedorov, S., & Hardan, A. Y. (2009). Corpus Callosum Volume and Neurocognition in Autism. JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS, 39(6), 834-841.

Guanfacine in children with autism and/or intellectual disabilities
Handen, B. L., Sahl, R., & Hardan, A. Y. (2008). Guanfacine in children with autism and/or intellectual disabilities. JOURNAL OF DEVELOPMENTAL AND BEHAVIORAL PEDIATRICS, 29(4), 303-308.

An MRI and proton spectroscopy study of the thalamus in children with autism
Hardan, A. Y., Minshew, N. J., Melhem, N. M., Srihari, S., Jo, B., & Stanley, J. A. (2008). An MRI and proton spectroscopy study of the thalamus in children with autism. PSYCHIATRY RESEARCH-NEUROIMAGING, 163(2), 97-105.

Brief report: Abnormal association between the thalamus and brain size in Asperger's disorder
Hardan, A. Y., GirgiS, R. R., Adams, J., Gilbert, A. R., Melhem, N. M., & Minshew, N. J. (2008). Brief report: Abnormal association between the thalamus and brain size in Asperger's disorder. JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS, 38(2), 390-394.

Morphology of the orbitofrontal cortex in first-episode schizophrenia: Relationship with negative symptomatology
Lacerda, A. Lt., Hardan, A. Y., Yorbik, O., Vemulapalli, M., Prasad, K. M., & Keshavan, M. S. (2007). Morphology of the orbitofrontal cortex in first-episode schizophrenia: Relationship with negative symptomatology. PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY, 31(2), 510-516.

Volumetric alterations of the orbitofrontal cortex in autism
GirgiS, R. R., Minshew, N. J., Melhern, N. M., Nutche, J. J., Keshavan, M. S., & Hardan, A. Y. (2007). Volumetric alterations of the orbitofrontal cortex in autism. PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY, 31(1), 41-45.

Abnormal brain size effect on the thalamus in autism
Hardan, A. Y., GirgiS, R. R., Adams, J., Gilbert, A. R., Keshavan, M. S., & Minshew, N. J. (2006). Abnormal brain size effect on the thalamus in autism. PSYCHIATRY RESEARCH-NEUROIMAGING, 147(2-3), 145-151.

Magnetic resonance imaging study of the orbitofrontal cortex in autism
Hardan, A. Y., GirgiS, R. R., Lacerda, A. Lt., Yorbik, O., Kilpatiick, M., & Minshew, N. J. (2006). Magnetic resonance imaging study of the orbitofrontal cortex in autism. JOURNAL OF CHILD NEUROLOGY, 21(10), 866-871.

Open-label, prospective trial of olanzapine in adolescents with subaverage intelligence and disruptive behavior disorders
Handen, B. L., & Hardan, A. Y. (2006). Open-label, prospective trial of olanzapine in adolescents with subaverage intelligence and disruptive behavior disorders. JOURNAL OF THE AMERICAN ACADEMY OF CHILD AND ADOLESCENT PSYCHIATRY, 45(8), 928-935.

An MRI study of increased cortical thickness in autism
Hardan, A. Y., Muddasani, S., Vemulapalli, M., Keshavan, M. S., & Minshew, N. J. (2006). An MRI study of increased cortical thickness in autism. AMERICAN JOURNAL OF PSYCHIATRY, 163(7), 1290-1292.

An MRI study of minor physical anomalies in autism
Hardan, A. Y., Keshavan, M. S., Sreedhar, S., Vemulapalli, M., & Minshew, N. J. (2006). An MRI study of minor physical anomalies in autism. JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS, 36(5), 607-611.

Risperidone in first-episode psychosis: A longitudinal, exploratory voxel-based morphometric study
Girgis, R. R., Diwadkar, V. A., Nutche, J. J., Sweeney, J. A., Keshavan, M. S., & Hardan, A. Y. (2006). Risperidone in first-episode psychosis: A longitudinal, exploratory voxel-based morphometric study. SCHIZOPHRENIA RESEARCH, 82(1), 89-94.

Reduced cortical folding in individuals at high risk for schizophrenia: a pilot study
Jou, R. J., Hardan, A. Y., & Keshavan, M. S. (2005). Reduced cortical folding in individuals at high risk for schizophrenia: a pilot study. SCHIZOPHRENIA RESEARCH, 75(2-3), 309-313.

Retrospective study of quetiapine in children and adolescents with pervasive developmental disorders
Hardan, A. Y., Jou, R. J., & Handen, B. L. (2005). Retrospective study of quetiapine in children and adolescents with pervasive developmental disorders. JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS, 35(3), 387-391.

Retrospective assessment of atomoxetine in children and adolescents with pervasive developmental disorders
Jou, R. J., Handen, B. L., & Hardan, A. Y. (2005). Retrospective assessment of atomoxetine in children and adolescents with pervasive developmental disorders. JOURNAL OF CHILD AND ADOLESCENT PSYCHOPHARMACOLOGY, 15(2), 325-330.

Quetiapine in children and adolescents with subaverage IQ
Jou R, Handen BL, & Hardan AY. (2005). Quetiapine in children and adolescents with subaverage IQ. Journal of Pediatric Neurology, 3.

Psychostimulant treatment of adults with mental retardation and attention-deficit hyperactivity disorder.
Jou, R., Handen, B., & Hardan, A. (2004). Psychostimulant treatment of adults with mental retardation and attention-deficit hyperactivity disorder. Australasian psychiatry , 12(4), 376-379.

A retrospective assessment of topiramate in children and adolescents with pervasive developmental disorders
Hardan, A. Y., Jou, R. J., & Handen, B. L. (2004). A retrospective assessment of topiramate in children and adolescents with pervasive developmental disorders. JOURNAL OF CHILD AND ADOLESCENT PSYCHOPHARMACOLOGY, 14(3), 426-432.

Increased frontal cortical folding in autism: a preliminary MRI study
Hardan, A. Y., Jou, R. J., Keshavan, M. S., Varma, R., & Minshew, N. J. (2004). Increased frontal cortical folding in autism: a preliminary MRI study. PSYCHIATRY RESEARCH-NEUROIMAGING, 131(3), 263-268.

Neuropsychiatric problems in tuberous sclerosis complex
Asato, M. R., & Hardan, A. Y. (2004). Neuropsychiatric problems in tuberous sclerosis complex. JOURNAL OF CHILD NEUROLOGY, 19(4), 241-249.

Anatomic evaluation of the orbitofrontal cortex in major depressive disorder
Lacerda, A. Lt., Keshavan, M. S., Hardan, A. Y., Yorbik, O., Brambilla, P., & Soares, J. C. (2004). Anatomic evaluation of the orbitofrontal cortex in major depressive disorder. BIOLOGICAL PSYCHIATRY, 55(4), 353-358.

The functional neuroanatomy of autism
Brambilla, P., Hardan, A. Y., di Nemi, S. U., Caverzasi, E., Soares, J. C., & Barale, F. (2004). The functional neuroanatomy of autism. FUNCTIONAL NEUROLOGY, 19(1), 9-17.

Brain anatomy and development in autism: review of structural MRI studies
Brambilla, P., Hardan, A., di Nemi, S. U., Perez, J., Soares, J. C., & Barale, F. (2003). Brain anatomy and development in autism: review of structural MRI studies. BRAIN RESEARCH BULLETIN, 61(6), 557-569.

Measurement of the orbitofrontal cortex: a validation study of a new method
Lacerda, A. Lt., Hardan, A. Y., Yorbik, O., & Keshavan, M. S. (2003). Measurement of the orbitofrontal cortex: a validation study of a new method. NEUROIMAGE, 19(3), 665-673.

Motor performance and anatomic magnetic resonance imaging (MRI) of the basal ganglia in autism
Hardan, A. Y., Kilpatrick, M., Keshavan, M. S., & Minshew, N. J. (2003). Motor performance and anatomic magnetic resonance imaging (MRI) of the basal ganglia in autism. JOURNAL OF CHILD NEUROLOGY, 18(5), 317-324.

A retrospective open trial of adjunctive donepezil in children and adolescents with autistic disorder
Hardan, A. Y., & Handen, B. L. (2002). A retrospective open trial of adjunctive donepezil in children and adolescents with autistic disorder. JOURNAL OF CHILD AND ADOLESCENT PSYCHOPHARMACOLOGY, 12(3), 237-241.

Posterior fossa magnetic resonance imaging in autism
Hardan, A. Y., Minshew, N. J., Harenski, K., & Keshavan, M. S. (2001). Posterior fossa magnetic resonance imaging in autism. JOURNAL OF THE AMERICAN ACADEMY OF CHILD AND ADOLESCENT PSYCHIATRY, 40(6), 666-672.

Brain volume in autism
Hardan, A. Y., Minshew, N. J., Mallikarjuhn, M., & Keshavan, M. S. (2001). Brain volume in autism. JOURNAL OF CHILD NEUROLOGY, 16(6), 421-424.

Corpus callosum size in autism
Hardan, A. Y., Minshew, N. J., & Keshavan, M. S. (2000). Corpus callosum size in autism. NEUROLOGY, 55(7), 1033-1036.

Inositol as an add-on treatment for bipolar depression
Chengappa, K. Nr., Levine, J., Gershon, S., Mallinger, A. G., Hardan, A., & Kupfer, D. J. (2000). Inositol as an add-on treatment for bipolar depression. BIPOLAR DISORDERS, 2(1), 47-55.

Prolactin secretion in depressed children
Hardan, A., Birmaher, B., Williamson, D. E., Dahl, R. E., Ambrosini, P., & Ryan, N. D. (1999). Prolactin secretion in depressed children. BIOLOGICAL PSYCHIATRY, 46(4), 506-511.

Suicidal behavior in children and adolescents with developmental disorders
Hardan, A., & SAHL, R. (1999). Suicidal behavior in children and adolescents with developmental disorders. RESEARCH IN DEVELOPMENTAL DISABILITIES, 20(4), 287-296.

Psychopathology in children and adolescents with developmental disorders
Hardan, A., & SAHL, R. (1997). Psychopathology in children and adolescents with developmental disorders. RESEARCH IN DEVELOPMENTAL DISABILITIES, 18(5), 369-382.

Risperidone treatment of children and adolescents with developmental disorders
Hardan, A., Johnson, K., Johnson, C., & HRECZNYJ, B. (1996). Risperidone treatment of children and adolescents with developmental disorders. JOURNAL OF THE AMERICAN ACADEMY OF CHILD AND ADOLESCENT PSYCHIATRY, 35(11), 1551-1556.