Suffolk Office Phone: 631-676-1962
Nassau Office Phone: 516-686-9554

Heather Henkell, PhD     C.V.

Dr. Henkell completed her Ph.D. in Clinical Neuropsychology in September 2013. Her dissertation examined the cognitive and neural processes underlying factual and perceptual based relational judgments. She completed an APA-accredited internship at The Colorado Mental Health Institute at Pueblo (CMHIP), completing rotations in neuropsychology, social-learning program, and on the locked adolescent unit.

Brittany Bascetta, PhD  C.V.

Dr. Bascetta completed her Ph.D. in Clinical Neuropsychology through the CUNY Graduate Center in 2017. Her dissertation examined the cognitive deficits associated with hippocampal NMDAR autoantibodies in lupus patients. During graduate school, she completed practicum training at Memorial Sloan Kettering Cancer Center, Columbia University Medical Center's Comprehensive Epilepsy Center, and the Weill Cornell Medical College/New York Presbyterian, Westchester Division. She completed an APA-accredited internship in the neuropsychology service at the Henry Ford Health System's hospital in Detroit. During her internship year, she additionally completed a rotation in the Normal Pressure Hydrocephalus clinic as well as Health Psychology rotations in the Cardiology and Trauma Surgery units.  She completed her post-doctoral fellowship at LINS.  She has performed diagnostic assessments with children and adults in the context of developmental disorders, ADHD, psychiatric illness, concussion/traumatic brain injury, oncology, autoimmune disorders, cardiovascular disease and neurologic disease.

Brian K. Lebowitz, PhD ABPP-CN    C.V.

Dr. Lebowitz completed a neuropsychology fellowship at Harvard Medical School.  He has published research in peer reviewed journals in the areas of concussion and mild traumatic brain injury, moderate/severe brain injury, psychiatric and psychological factors associated with brain injury, and psychiatric illness.

Amber Sousa, PhD

Dr. Sousa completed her Ph.D. in 2013. Her dissertation focused on saccadic eye movement rate during memory tasks in older adults and adults with memory impairments. Her internship and post-doctoral work focused on clinical neuropsychological assessment of adult and geriatric patients. While in graduate training, Dr. Sousa completed practicum training at Stony Brook University Medical Center, Mt. Sinai Hospital, Columbia Presbyterian Medical Center, and New York Hospital.  She has performed diagnostic assessments with children and adults in the context of learning disorders, ADHD, psychiatric illness, traumatic brain injury, and neurologic disease.  She currently works at the Feinstein Institute for Medical Research in Alzheimer's Disease research and focuses on the assessment, diagnosis, and treatment of neurodegenerative disorders.

Dominique Muren, LMHC

Dominique Muren is a Licensed Mental Health Counselor providing psychotherapy services to treat issues surrounding pain, trauma, brain injury, and mood complications following a motor vehicle accident. The goals of these therapy services are to normalize the symptoms that the patient is experiencing after their accident and injury; and to provide education on the mental and physical connections of healing pain from injury, as well as associated mood symptoms and cognitive difficulties such as short term memory and attention concerns. Dominique uses cognitive behavioral therapy, trauma resolution, and mindfulness techniques, an effective combination of tools to guide the patient back to a healthy life.


Long Island Neuropsychological Services, PLLC
Suffolk Office
1050 Hallock Avenue #1
Port Jefferson Station NY 11776

Phone: 631-676-1962

Nassau Office
1165 Northern Blvd. Suite 301
Manhasset, NY 11030

Phone: 516-686-9554