Browsing Graduate Theses and Dissertations - Neuroscience by Creator "Turkeltaub, Peter E"
Now showing items 1-8 of 8
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Examinations of Audiovisual Speech Processes, the McGurk Effect and the Heteromodal Superior Temporal Sulcus in the Human Brain Across Numerous Approaches
(Georgetown University, 2016)Speech can be perceived through the speech sounds we hear and the facial/lip movements we see. In this dissertation, I explore the fundamental question of how the brain processes audiovisual (AV) speech using different ... -
Investigating the Architecture and Plasticity of the Auditory System through Spoken Word Recognition
(Georgetown University, 2021)The auditory cortical system, like the visual cortical system, is thought to be organized into a dual-stream architecture consisting of an anterior ventral and a posterior dorsal stream. Under this framework, the anterior ... -
Investigating The Neurocognitive Mechanisms of Error Monitoring in Aphasia
(Georgetown University, 2022)Speech error monitoring (SEM) is critical for effective communication, and is especially important in aphasia, a language impairment commonly caused by stroke. The present dissertation employs three studies to investigate ... -
It Sounds the Way It's Spelled: Orthography Effect Mechanisms in Persons with Aphasia
(Georgetown University, 2022)The goal of this dissertation was to find converging evidence from behavioral and neuroimaging analyses of the mechanisms of orthographic integration with general language processes. By examining orthography effects, covert ... -
Language System Plasticity in Healthy Development and After Perinatal Stroke
(Georgetown University, 2022)Language processing is an extremely important, uniquely human cognitive ability. For well over a century, researchers have sought to understand how the human brain implements a system for instantaneously recognizing and ... -
OBJECTIVE SUPPORT FOR THE SUBJECTIVE REPORT OF SUCCESSFUL INNER SPEECH IN PEOPLE WITH APHASIA
(Georgetown University, 2016)Aphasia is an acquired impairment of language typically caused by stroke, and almost always includes anomia, difficulty with naming and word finding. Anecdotally, people with aphasia often report being able to say internally ... -
The Role of the Motor System in Speech Perception and the Neural Substrates of Audiovisual Speech Integration
(Georgetown University, 2019)Perceiving and comprehending spoken language is a complex process, but for most of us, it is something we do effortlessly. How does the brain transform the acoustic and visual signals of speech into meaningful percepts? ... -
The Subjective Experience of Inner Speech in Aphasia
(Georgetown University, 2018)All individuals with aphasia experience some level of anomia, or difficulty with naming and word finding, but many report that their internal word knowledge exceeds their spoken output, making comments like, “I know it but ...
