Faculty - Clinical Neuropsychology Postdoctoral Fellowship

Dr. Beth Arredondo practices neuropsychology at Ochsner Health in Covington, Louisiana. She is board certified in clinical neuropsychology. She completed a B.S. in psychology at Louisiana State University, and an M.A. and Ph.D. in clinical psychology at Sam Houston State University in Huntsville, Texas. She completed a general internship and postdoctoral fellowship in clinical neuropsychology at the University of Massachusetts Medical School in Worcester, Massachusetts. She joined the Ochsner team in 2017, and she is actively engaged in clinical work, forensic work, and research. Clinical populations of interest include individuals with a wide range of neurological and psychiatric concerns. Forensic work spans criminal and civil forensic settings, and she provides neuropsychological and forensic services to Eastern Louisiana Mental Health System. Her research interests involve the use and utility of neuropsychology in various settings and in innovations in assessment and care management. Dr. Arredondo co-directs the Clinical Neuropsychology Postdoctoral Fellowship at Ochsner. She is actively involved in professional service, with service positions in national neuropsychology and forensic psychology organizations. She received the Early Career Service Award of the National Academy of Neuropsychology in 2015, and she served as President of NAN in 2022.

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Dr. Boettcher is a co-director of the post-doctoral program. She is board certified in Clinical Neuropsychology. She received her B.A. in psychology from Loyola University New Orleans and her M.S. and Ph.D. in Clinical Psychology from the University of South Alabama. She completed her internship at the University of Florida within the Neuropsychology Track and concluded her training with a 2-year fellowship in Neuropsychology at the University of Kansas School of Medicine in Wichita. Dr. Boettcher specializes in assessing the cognitive functioning of individuals with a wide variety of conditions, including Alzheimer's disease (and other dementias), movement disorders, multiple sclerosis, traumatic brain injury (TBI), epilepsy, stroke, and primary psychiatric disorders. Her research interests involve the use and utility of neuropsychology in various settings, the impact of secondary factors on cognitive functioning, and performance/symptom validity. She routinely conducts presentations at national and local organizations.

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Dr. Brian Mizuki completed pre- and post-doctoral specialty training in clinical neuropsychology. Dr. Mizuki received his Doctorate in Psychology (PsyD) from the Illinois School of Professional Psychology (ISPP-Chicago) upon completion of a pre-doctoral internship at the Coatesville Veterans Affairs Medical Center, with a specific focus in neuropsychology. Following his internship, he concluded his training with a two-year fellowship in neuropsychology at the University of Virginia Medical Center Department of Neurology. He joined the Ochsner Department of Neurology in 2014 and obtained board certification in clinical neuropsychology through the American Board of Professional Psychology (ABBP-CN) in 2016. He specializes in assessing the cognitive functioning of adults with a wide range of conditions, including Alzheimer's disease (and other dementias), movement disorders, multiple sclerosis, traumatic brain injury (TBI), and stroke. He is the Ochsner Neuropsychology section head.

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Dr. Sawyer is a lifespan neuropsychologist trained to evaluate children, adolescents, adults, and geriatrics. Dr. Sawyer was born in Gulfport, MS and graduated from Millsaps College in Jackson, MS. He was awarded his MS from University of Southern Mississippi and his Ph.D. in Psychology from The University of Memphis. He completed his internship at the Memphis VA Medical Center. He concluded his training with a 2-year fellowship in Neuropsychology at the Maryland VA Health Care System. Afterward, he remained on staff as a Neuropsychologist at the Baltimore VA Medical Center where he was also the Assessment Training Co-Coordinator for the VA Maryland Health Care System and University of Maryland Medical School Psychology Internship Program.

For adults/geriatrics, Dr. Sawyer has particular interest in Alzheimer’s disease (and other types of dementia or memory disorders), concussion/TBI, stroke, movement disorders (e.g., Parkinson’s disease), seizures, Multiple Sclerosis, Infectious Diseases (HIV, Hepatitis C), and psychiatric concerns. For children/adolescents/young adults, Dr. Sawyer has interest in Learning Disorders (e.g., Dyslexia), concussion/TBI, neurodevelopmental conditions (e.g., Intellectual Disability, ADHD), and seizures.

Outside of Dr. Sawyer’s primary clinical work, he is particularly interested in brain health and ways to prevent cognitive decline (e.g., smoking cessation, exercise, nutrition, and other healthy behaviors). He provides evaluations and expertise in legal contexts. Dr. Sawyer has supervised several neuropsychology trainees and was an affiliate faculty member at Loyola University Maryland and Towson University in Maryland. He routinely conducts presentations at national and local organizations.

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