(212)245 7555 drmarciaknight@gmail.com

Dr. Marcia Knight, Ph.D.

Clinical Psychologist & Neuropsychologist,
Expert Witness, Learning Disabilities Specialist

Clinical Psychologist & Neuropsychologist

Marcia Knight, Ph.D

Clinical Psychologist & Neuropsychologist


Dr. Knight evaluates children and adults who have neurological and/or psychological (emotional) injuries. Since 1980, she has served as an expert witness in civil, discrimination, and competence cases. She provides comprehensive examinations and narrative reports. She has been an expert witness in cases under the jurisdiction of state and federal courts throughout New York State as well as courts in New Jersey, Connecticut, and Pennsylvania.

   Areas of Expertise

Anxiety Disorders
Attention Deficit
Hyperactivity Disorder (ADHD)
Birth Trauma
Brain Injury
Catastrophic Injuries
Electrocution Injury
Foster Care
Institutional Negligence

Lead Poisoning
Learning Disability
Mental Health
Mood Disorders
Oppositional Defiant Disorder
Personal Injury
Post-Traumatic Stress Disorder (PTSD)
Psychological Trauma
Sexual Harassment
Special Education
Wrongful Death


Neuropsychological Evaluations

Neuropsychological evaluations of brain injuries due to trauma, lead poisoning, or medical procedures.

Learning Disability Evaluations

Learning disability evaluations for appropriate placements and accommodations in school such as for Attention Deficit Disorder and other learning problems.

Psychological Evaluations

Psychological evaluations of victims of crimes and other psychic trauma (e.g. emotional reactions to motor vehicle accidents).

Post-Traumatic Stress Disorder (PTSD)

Evaluation of Post-Traumatic Stress Disorder, anxiety, and depression.


Dr. Knight has extensive experience working in psychiatric settings where she provided evaluations and treatment of patients who sustained psychological trauma due to physical and/or emotional abuse or accidents. She has also been a consultant to the New York City school system providing evaluations of children with, or suspected of having, learning disabilities. In her private practice she has specialized in evaluating children and adults with Post-Traumatic Stress Disorder as well as neurological disabilities.

Dr. Marcia Knight, Ph.D.

Clinical Psychologist & Neuropsychologist—Expert Witness—Learning Disabilities Specialist