The Functional and Cognitive Neurophysiology laboratory, led by Dr. Sameer Sheth, focuses on the study of human decision-making, behavior, and cognitive processes. We use a combination of imaging and intracranial electrophysiology to investigate structural and functional relationships in the human brain. Neurosurgical procedures such as deep brain stimulation (DBS), epilepsy surgery, and brain tumor resection often require detailed imaging and electrophysiological recordings before, during, and after surgery. We utilize these unique opportunities to study the human brain and behavior in health and disease states.
Dr. Sameer Sheth is a functional neurosurgeon at Columbia University Medical Center with a research interest in human cognition. His work at UCLA was in the field of neurovascular coupling. During his neurosurgical residency at the Massachusetts General Hospital and Harvard Medical School, he performed single neuronal recordings in macaque prefrontal cortex and basal ganglia to study visuomotor associative learning, and also developed a deep interest in human cognition and decision-making. His clinical and research interests dovetail in this regard, as neurosurgical procedures provide unique opportunities for the study of brain function. His lab uses acute single neuronal and ECoG recordings during deep brain stimulation surgery, as well as chronic multi-electrode and high-density ECoG recordings in implanted epilepsy patients. The lab supplements the electrophysiology data with resting-state and task-based fMRI as well as DTI to understand population-level function and connectivity.
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