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Medicine and Health Sciences

McKelvey School of Engineering Theses & Dissertations

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Full-Text Articles in Neuroscience and Neurobiology

Transdiagnostic Multimodal Neural Correlates Of Psychosis Dimensions, Dov Bernard Lerman-Sinkoff May 2020

Transdiagnostic Multimodal Neural Correlates Of Psychosis Dimensions, Dov Bernard Lerman-Sinkoff

McKelvey School of Engineering Theses & Dissertations

Psychosis refers to a debilitating set of symptoms that impacts individuals, their communities, and society at large. Current psychiatric nosology treats psychosis as a categorical construct. However, recent evidence suggests that a dimensional approach that cuts across extant nosological boundaries may more accurately represent the underlying phenomena contributing to dysfunction in psychosis. One putative domain of transdiagnostic variation is cognitive control, a construct that refers to the set of functions that enable and support goal-directed behavior and regulation of one’s thoughts and actions. Previous analyses in both healthy individuals and individuals with psychosis have led to a number of findings …


Lesion Identification And The Effect Of Lesion On Motor Mapping After Stroke, Ruixi Zhou May 2016

Lesion Identification And The Effect Of Lesion On Motor Mapping After Stroke, Ruixi Zhou

McKelvey School of Engineering Theses & Dissertations

Stroke is the most common cause of long-term severe disability and the motor system that is most commonly affected in stroke. One of the mechanisms that underlies recovery of motor deficits is reorganization or remapping of functional representations around the motor cortex. This mechanism has been shown in monkeys, but results in human subjects have been variable. In this thesis, I used a database that includes longitudinal behavioral and multimodal imaging data in both stroke patients and healthy controls for two research projects. Firstly, I improved an automatic lesion segmentation method to aid in the identification of the location and …