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Dalhousie University

1. Mulle, Jennifer. In Search of an Electrophysiological Correlate to Between-Channel Modulation Gap Detection.

Degree: MS, School of Human Communication Disorders, 2012, Dalhousie University

Auditory processing disorder (APD) is characterized by deficits in the auditory modality that are not due to a global processing problem or to deficiencies in the peripheral auditory system. Diagnosis of APD is time-consuming and could benefit from an objective test. Temporal processing ability is often impaired in cases of APD, which includes deficits on gap detection tasks. Previous attempts to correlate gap detection thresholds to electrophysiological responses have used the P1-N1-P2 response, mismatch negativity (MMN), and 40 Hz auditory steady-state response (ASSR), but these attempts have not been successful, especially using between-channel gap detection tasks. The current study used a modulation gap detection task and recorded the above responses to supra- and subthreshold gaps and stimuli with no gap. A significant P2 response and a later positive peak distinguished perception of a suprathreshold gap. Improvements over previous studies, the relation to auditory training, and limitations and directions for future research are discussed. Advisors/Committee Members: Dr. Aaron Newman (external-examiner), Dr. Joy Armson (graduate-coordinator), Dr. Dennis Phillips (thesis-reader), Michel Comeau (thesis-reader), Dr. Steve Aiken (thesis-supervisor), Received (ethics-approval), No (manuscripts), No (copyright-release).

Subjects/Keywords: Modulated Gap Detection; Auditory Processing Disorder; Temporal processing; P1N1P2; Between channel gap detection

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Mulle, J. (2012). In Search of an Electrophysiological Correlate to Between-Channel Modulation Gap Detection. (Masters Thesis). Dalhousie University. Retrieved from http://hdl.handle.net/10222/14586

Chicago Manual of Style (16th Edition):

Mulle, Jennifer. “In Search of an Electrophysiological Correlate to Between-Channel Modulation Gap Detection.” 2012. Masters Thesis, Dalhousie University. Accessed October 29, 2020. http://hdl.handle.net/10222/14586.

MLA Handbook (7th Edition):

Mulle, Jennifer. “In Search of an Electrophysiological Correlate to Between-Channel Modulation Gap Detection.” 2012. Web. 29 Oct 2020.

Vancouver:

Mulle J. In Search of an Electrophysiological Correlate to Between-Channel Modulation Gap Detection. [Internet] [Masters thesis]. Dalhousie University; 2012. [cited 2020 Oct 29]. Available from: http://hdl.handle.net/10222/14586.

Council of Science Editors:

Mulle J. In Search of an Electrophysiological Correlate to Between-Channel Modulation Gap Detection. [Masters Thesis]. Dalhousie University; 2012. Available from: http://hdl.handle.net/10222/14586

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