Neuropsychology Team

Sakina Butt, Psy.D. Psychiatry / Psychology

Dr. Butt is a neuropsychologist at Johns Hopkins All Children’s Hospital. She joined the hospital staff in 2019. Some of Dr. Butt’s areas of clinical expertise include neuropsychological evaluations and consultations for children in the neonatal intensive care unit and pediatric intensive care unit.
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Jennifer Katzenstein, Ph.D. Psychiatry / Psychology

Dr. Katzenstein is the director of psychology and neuropsychology at Johns Hopkins All Children’s Hospital. Previously, Dr. Katzenstein was a private practitioner and Assistant Professor of Neurology at Indiana University School of Medicine/Riley Hospital for Children in Indianapolis where she provided neuropsychological evaluations, consultations and academic coaching for children and adolescents. After graduating from Indiana University Purdue University Indianapolis, she completed a pediatric internship and fellowship at Texas Children's Hospital/Baylor College of Medicine. Dr. Katzenstein is board certified in pediatric neuropsychology and clinical neuropsychology.
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Vanessa Scarborough, Ph.D. Psychiatry / Psychology

Dr. Scarborough is a licensed pediatric neuropsychologist, who conducts comprehensive neuropsychological evaluations for children and adolescents with acquired, congenital and neurodevelopmental disorders, with a special focus on known or suspected neurocognitive dysfunction. Her areas of clinical expertise include epilepsy and traumatic brain disorders. She joined the Johns Hopkins All Children’s Institute for Brain Protection Sciences in 2017 after seven years on the pediatric neuropsychology faculty at Kennedy Krieger Institute in Baltimore, Maryland.  Dr. Scarborough completed a neuropsychology fellowship at Nationwide Children’s Hospital in Columbus, Ohio, after a neuropsychology internship at Children’s Hospitals and Clinics, in Minneapolis, Minnesota. She has conducted research in pediatric epilepsy and Albright hereditary osteodystrophy. She earned a master’s of science in psychology and a Ph.D. in clinical psychology at Illinois Institute of Technology, in Chicago, Illinois. While completing her graduate studies she served as a research assistant at Children’s Memorial Hospital (now Lurie Children’s) and Northwestern University in Chicago. Dr. Scarborough is fluent in Spanish and Portuguese.
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Megan Sy, PsyD

Neuropsychology Post-Doctoral Resident 2018-2020