Neurotransmitters

Mather, Mara

Professor of Gerontology, Psychology, and Biomedical Engineering

The autonomic nervous system plays an underappreciated role in age-related change in the brain and cognition. But the sympathetic hub region in the brain (the locus coeruleus) is one of the first brain regions affected by Alzheimer’s disease pathology and deep sleep, a period of high parasympathetic activity, is critical for clearing out the potentially toxic proteins generated by the brain’s activity during the day (it is the aggregation of such proteins that leads to the hallmark plaques and tangles seen in Alzheimer’s disease). Our research is investigating how both sympathetic and parasympathetic function affect brain function and cognition in aging and how interventions that increase parasympathetic activity may enhance brain function in older adults.

Moore, Jeffrey

Assistant Professor of Biological Sciences

Many mammals sense and affect their environment predominantly through innate motor programs for exploration, social interaction, and ingestion; yet, little is known about the neuronal circuits that control these motor programs. Our lab uses molecular, systems, and computational neurobiological techniques to identify specific brainstem motor control modules and to determine how higher-order brain structures engage these modules for innate behaviors.

Petzinger, Giselle

Associate Professor of Neurology (Clinical Scholar)

Dr. Giselle M. Petzinger is a Movement Disorders Specialist and neuroscientist in the department of neurology at USC Keck School of Medicine. Her training includes MD at USC, Neurology Residency at Yale, Fellowship at Columbia University and experimental therapeutics at the Parkinson’s Institute in the bay area. Her research involves animal models and clinical studies to investigate lifestyle on cognitive/motor function and synaptic plasticity in frontal-striatal and cerebellum circuits. Other studies include investigating the relationship between motor performance and cognitive function and related circuitry in PD and the role of compensation using behavioral, neuroimaging and neurophysiologic metrics. Her work also focuses on understanding neuro-energetic mechanisms of synaptic plasticity in PD focused on mitochondrial function and L-Lactate.

Rissman, Robert

Professor of Physiology and Neuroscience

Dr. Rissman is Professor Physiology and Neuroscience and founding Director of the Neuroscience Translational Research Division (NTRD) of USC’s Alzheimer’s Therapeutic Research Institute in San Diego. Dr. Rissman’s basic science research goal is to identify and validate plasma biomarkers for Alzheimer’s Disease and Related Disorders (ADRD) to better understand mechanisms of neurodegeneration and to streamline clinical trials recruitment. Work from Dr. Rissman’s lab has led to the validation of plasma biomarkers that predict AD brain neuropathology and progression of dementia. Also, through analysis of plasma-derived extracellular vesicles, his group was the first to demonstrate that TDP-43 protein within astrocyte extracellular vesicles can identify Limbic-predominant age-related TDP-43 encephalopathy (LATE).