Cognitive Expert Witnesses

Arcata, California

Neuropsychology, Mental Health - Long-COVID, Traumatic Brain Injury, Concussion, HIV, AIDS, PTSD, Workers Compensation, Neurocognitive, Cognitive, Psychology, Head Injury, Neuroinfectious disease, Dementia

-Board Certified in Clinical Neuropsychology with American Board of Professional Psychology -State of California Qualified Medical Examiner (Workers Compensation) -Aerospace Neuropsychology -Retired Professor - UCLA Department of Neurology

Escondido, California

Neuropsychology, Psychology - TBI, traumatic brain injury, Spanish, board-certified, ABPP, ABPP-CN, concussion, brain injury, dementia, depression, anxiety, PTSD, chronic pain, somatoform disorders, cognitive, workers comp, QME, AME, IME

Dr. Silva is one of very few Spanish-speaking, board-certified neuropsychologists in the state of California. She can serve as a neuropsychological or psychological expert witness for civil forensic cases, particularly personal injury cases. She takes a balanced approach in evaluating neurological and medical factors as well as psychological variables. All of her evaluations include objective measurement of response bias/effort and symptom validity. Her interpretations are purely based on the objective data and evidence-based research. She has performed work for both defense and plaintiff's attorneys. Her specialties are with traumatic brain injuries (TBI), neurodegenerative conditions, strokes, and psychiatric conditions that include posttraumatic stress disorder (PTSD), somatoform disorders, and mood and anxiety disorders. She has held board positions in national, state, and local neuropsychological organizations (HNS, CPA, SDPA), and is an active member of other organization...

JACKSONVILLE, Florida

Neurology, Brain Injury Medicine - Traumatic brain injury TBI, Concussion, Headache, Brain fog, Cognitive, Dementia, Headache, Vision, Postconcussion Syndrome, Dizziness imbalance disequilibrium, Migraine, Cervicogenic headache, Head injury, Axonal injury, Cerebral hemorrhage, Stroke

Jason Siegel, MD, is triple board-certified in Brain Injury Medicine, Neurocritical Care, and General Neurology by the American Board of Psychiatry and Neurology and United Council for Neurologic Subspecialties. His background includes leadership roles in critical care, extensive research on stroke and brain injuries, and publications in top medical journals. He is the Founder, CEO, and President of NeuroNow, a direct specialty care neurology practice, and a former Mayo Clinic consultant and assistant professor. His extensive experience includes evaluating traumatic brain injuries (TBI), concussions, strokes, and neurodegenerative disorders, utilizing advanced neuroimaging techniques such as MRI with DTI, EEG, WAVi, RightEye, and computed dynamic posturography. With prior faculty roles at Mayo Clinic, Dr. Siegel has trained medical professionals, contributed to national research initiatives, and provided expert testimony in complex neurological cases. He holds medical licenses in ...

Idaho

Neurology - Parkinson, Tremor, Dystonia, Spasticity, Gait disorders, Falls, Huntington, Electromyography, botulinum toxin, neuropathy, spinal cord, head injury, brain trauma, brain, radiculopathy, movement disorders, pain, cognitive, dementia, paralysis

Expert Witness Profile: Jason Aldred, MD, FAAN: Dr. Jason Aldred is a board-certified neurologist specializing in movement disorders and neuromuscular neurology, with over 16 years of clinical experience serving patients with Parkinson's disease, Huntington's disease, dystonia, and complex nerve, brain, and spine disorders. As owner of Selkirk Neurology, PLLC, and Inland Northwest Research, LLC, he has provided specialized neurological care to the Spokane and Inland Northwest communities since 2009. Dr. Aldred currently serves as Director of the Huntington Disease Center of Excellence at Selkirk Neurology and was elected President of the Washington State Neurological Society in 2025, having served on its board since 2021. Clinical and Academic Experience: Dr. Aldred maintains an active clinical practice while serving as a clinical educator for residents in psychiatry and Physical Medicine & Rehabilitation, as well as medical students at the University of Washington and Washington S...

Montana

Neurology - Parkinson, Tremor, Dystonia, Spasticity, Gait disorders, Falls, Huntington, Electromyography, botulinum toxin, neuropathy, spinal cord, head injury, brain trauma, brain, radiculopathy, movement disorders, pain, cognitive, dementia, paralysis

Expert Witness Profile: Jason Aldred, MD, FAAN: Dr. Jason Aldred is a board-certified neurologist specializing in movement disorders and neuromuscular neurology, with over 16 years of clinical experience serving patients with Parkinson's disease, Huntington's disease, dystonia, and complex nerve, brain, and spine disorders. As owner of Selkirk Neurology, PLLC, and Inland Northwest Research, LLC, he has provided specialized neurological care to the Spokane and Inland Northwest communities since 2009. Dr. Aldred currently serves as Director of the Huntington Disease Center of Excellence at Selkirk Neurology and was elected President of the Washington State Neurological Society in 2025, having served on its board since 2021. Clinical and Academic Experience: Dr. Aldred maintains an active clinical practice while serving as a clinical educator for residents in psychiatry and Physical Medicine & Rehabilitation, as well as medical students at the University of Washington and Washington S...

New York, New York

Neuropsychology, Psychology - neuropsychological, disability, liability, memory, neuropsychologist, IME, assessment, brain injury, dementia, PTSD, independent medical exam, cognitive, concussion, epilepsy, depression, neuropsychological testing, psychological, TBI, medico-legal, anxiety

Board-Certified Clinical Neuropsychologist | Clinical Associate Professor of Neurology, SUNY Downstate Health Sciences University | I serve as the Director of the Neuropsychology Service in the Department of Neurology at SUNY Downstate. I also conduct evaluations in my private practice at Comprehensive Neuropsychology Services, PC. I earned my Ph.D. in Psychology (Neuropsychology) from the City University of New York. I completed my pre-doctoral internship in neuropsychology at Harvard Medical School/MGH, followed by a post-doctoral fellowship at NYU. I have practiced as a clinical neuropsychologist for over 20 years. As a lifespan neuropsychologist, I evaluate children and adults with a wide range of neurological and psychological conditions, including traumatic brain injury (TBI), concussion, epilepsy, mild cognitive impairment (MCI), dementia, stroke, learning disabilities, autism, and emotional or behavioral disorders. Individuals often present with cognitive and psychologica...

JENKINTOWN, Pennsylvania

Neuropsychology, Vocational Rehabilitation - Cognitive, Traumatic Brain Injury, Concussion, Head Trauma, neurocognitive disorders, seizure disorders, psychological, learning disabilities, emotional distress, job assessment, vocational assessment, psychological testing, psychological assessment, neuropsychological assessment, memory impairment

I am licensed as a psychologist in both Pennsylvania and New Jersey; and board certified as both a clinical neuropsychologist and vocational expert with the American Board of Professional Neuropsychology and the American Board of Vocational Experts. I provide for comprehensive neuropsychological and vocational evaluations for individuals (children, adolescents, adults) presenting with various forms of learning disabilities, developmental disabilities, traumatic brain injuries, memory loss, cognitive impairment, concussions, attention problems, acquired brain injuries, competency issues and dementia. when performing a neuropsychological evaluation, these evaluations are focused on identifying areas of neurocognitive strength and weakness. Focus is not only on the degree or nature of the impairment that the individual presents with, but also how this impacts the individual’s activities of daily living. This includes the ability to return to school or work; and also the individu...

Spokane, Washington

Neurology - Parkinson, Tremor, Dystonia, Spasticity, Gait disorders, Falls, Huntington, Electromyography, botulinum toxin, neuropathy, spinal cord, head injury, brain trauma, brain, radiculopathy, movement disorders, pain, cognitive, dementia, paralysis

Expert Witness Profile: Jason Aldred, MD, FAAN: Dr. Jason Aldred is a board-certified neurologist specializing in movement disorders and neuromuscular neurology, with over 16 years of clinical experience serving patients with Parkinson's disease, Huntington's disease, dystonia, and complex nerve, brain, and spine disorders. As owner of Selkirk Neurology, PLLC, and Inland Northwest Research, LLC, he has provided specialized neurological care to the Spokane and Inland Northwest communities since 2009. Dr. Aldred currently serves as Director of the Huntington Disease Center of Excellence at Selkirk Neurology and was elected President of the Washington State Neurological Society in 2025, having served on its board since 2021. Clinical and Academic Experience: Dr. Aldred maintains an active clinical practice while serving as a clinical educator for residents in psychiatry and Physical Medicine & Rehabilitation, as well as medical students at the University of Washington and Washington S...