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The Adult Communication, Cognitive, and Reading Profile of 22q11.2 Deletion Syndrome

Description
22q11.2 Deletion Syndrome (22q11.2DS) is one of the most frequent chromosomal microdeletion syndromes in humans. This case study focuses on the language and reading profile of a female adult with 22q11.2 Deletion Syndrome who was undiagnosed until the age of 27 years old. To comprehensively describe the participant's profile, a…

22q11.2 Deletion Syndrome (22q11.2DS) is one of the most frequent chromosomal microdeletion syndromes in humans. This case study focuses on the language and reading profile of a female adult with 22q11.2 Deletion Syndrome who was undiagnosed until the age of 27 years old. To comprehensively describe the participant's profile, a series of assessment measures was administered in the speech, language, cognition, reading, and motor domains. Understanding how 22q11.2DS has impacted the life of a recently diagnosed adult will provide insight into how to best facilitate long-term language and educational support for this population and inform future research.
ContributorsPhilp, Jennifer Lynn (Author) / Scherer, Nancy (Thesis director) / Peter, Beate (Committee member) / Department of Speech and Hearing Science (Contributor) / Sanford School of Social and Family Dynamics (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
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The Role of Visual Attention In Auditory Localization

Description
Hearing and vision are two senses that most individuals use on a daily basis. The simultaneous presentation of competing visual and auditory stimuli often affects our sensory perception. It is often believed that vision is the more dominant sense over audition in spatial localization tasks. Recent work suggests that visual…

Hearing and vision are two senses that most individuals use on a daily basis. The simultaneous presentation of competing visual and auditory stimuli often affects our sensory perception. It is often believed that vision is the more dominant sense over audition in spatial localization tasks. Recent work suggests that visual information can influence auditory localization when the sound is emanating from a physical location or from a phantom location generated through stereophony (the so-called "summing localization"). The present study investigates the role of cross-modal fusion in an auditory localization task. The focuses of the experiments are two-fold: (1) reveal the extent of fusion between auditory and visual stimuli and (2) investigate how fusion is correlated with the amount of visual bias a subject experiences. We found that fusion often occurs when light flash and "summing localization" stimuli were presented from the same hemifield. However, little correlation was observed between the magnitude of visual bias and the extent of perceived fusion between light and sound stimuli. In some cases, subjects reported distinctive locations for light and sound and still experienced visual capture.
ContributorsBalderas, Leslie Ann (Author) / Zhou, Yi (Thesis director) / Yost, William (Committee member) / Department of Speech and Hearing Science (Contributor) / Barrett, The Honors College (Contributor)
Created2016-05