{"id":{"repo_id":"carleton","oai_identifier":"oai:carleton.scholaris.ca:20.500.14718/40530"},"canonical_url":"https://search.dev.ndltd.org/etd/carleton/oai:carleton.scholaris.ca:20.500.14718/40530","repository":{"repo_id":"carleton","name":"Carleton University","base_url":"https://carleton.scholaris.ca/server/oai/request"},"display":{"title":"An ERP Study to Investigate Age-Related Differences in Sensory Gating and Auditory Processing","abstract":"Sensory gating is a mechanism that inhibits neurological responses to redundant information. Although studied within clinical populations, sensory gating has rarely been investigated with respect to aging. The present research investigated age-related changes in auditory sensory gating using electroencephalography and quantified the effect of age on adaptive gating responses for oddball stimuli. Age-related differences in sensory gating and oddball responses were observed in late-stage auditory processing, where older adults exhibited weaker sensory gating. An attenuated P200 for firstandsecond clicks seen in the aging group may explain the weaker sensory gating ratio seen in older participants. Furthermore, replacing the second click with oddball stimuli attenuated, but did not eliminate sensory gating, indicating that sensory gating is a dynamic mechanism. Findings suggest that sensory gating is diminished for older adults and may transform from an adaptive mechanism under executive control to a pre-attentive limiter of auditory processing.","abstract_html":"Sensory gating is a mechanism that inhibits neurological responses to redundant information. Although studied within clinical populations, sensory gating has rarely been investigated with respect to aging. The present research investigated age-related changes in auditory sensory gating using electroencephalography and quantified the effect of age on adaptive gating responses for oddball stimuli. Age-related differences in sensory gating and oddball responses were observed in late-stage auditory processing, where older adults exhibited weaker sensory gating. An attenuated P200 for firstandsecond clicks seen in the aging group may explain the weaker sensory gating ratio seen in older participants. Furthermore, replacing the second click with oddball stimuli attenuated, but did not eliminate sensory gating, indicating that sensory gating is a dynamic mechanism. Findings suggest that sensory gating is diminished for older adults and may transform from an adaptive mechanism under executive control to a pre-attentive limiter of auditory processing.","abstract_has_math":false,"creators":["Paleske, Caidence Sonya"],"institution":"Carleton University","degree_name":"Master of Arts (M.A.)","degree_level":"Master's","degree_discipline":"Psychology","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2019,"date_issued":"2019","date_published":"2019","updated_at":"2026-07-24T01:34:27Z","subjects":[],"languages":["en"],"rights":["Copyright © 2019 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. 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Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.doi","label":"DOI","values":["10.22215/etd/2019-13821"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/20.500.14718/40530"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Sensory gating is a mechanism that inhibits neurological responses to redundant information. Although studied within clinical populations, sensory gating has rarely been investigated with respect to aging. The present research investigated age-related changes in auditory sensory gating using electroencephalography and quantified the effect of age on adaptive gating responses for oddball stimuli. Age-related differences in sensory gating and oddball responses were observed in late-stage auditory processing, where older adults exhibited weaker sensory gating. An attenuated P200 for firstandsecond clicks seen in the aging group may explain the weaker sensory gating ratio seen in older participants. Furthermore, replacing the second click with oddball stimuli attenuated, but did not eliminate sensory gating, indicating that sensory gating is a dynamic mechanism. Findings suggest that sensory gating is diminished for older adults and may transform from an adaptive mechanism under executive control to a pre-attentive limiter of auditory processing."]},{"key":"dc:title","label":"Title","values":["An ERP Study to Investigate Age-Related Differences in Sensory Gating and Auditory Processing"]}]}],"canonical_facts":{"dc:creator":["Paleske, Caidence Sonya"],"dc:date.accessioned":["2025-04-08T20:02:00Z"],"dc:date.available":["2025-04-08T20:02:00Z"],"dc:date.issued":["2019"],"dc:description.abstract":["Sensory gating is a mechanism that inhibits neurological responses to redundant information. Although studied within clinical populations, sensory gating has rarely been investigated with respect to aging. The present research investigated age-related changes in auditory sensory gating using electroencephalography and quantified the effect of age on adaptive gating responses for oddball stimuli. Age-related differences in sensory gating and oddball responses were observed in late-stage auditory processing, where older adults exhibited weaker sensory gating. An attenuated P200 for firstandsecond clicks seen in the aging group may explain the weaker sensory gating ratio seen in older participants. Furthermore, replacing the second click with oddball stimuli attenuated, but did not eliminate sensory gating, indicating that sensory gating is a dynamic mechanism. Findings suggest that sensory gating is diminished for older adults and may transform from an adaptive mechanism under executive control to a pre-attentive limiter of auditory processing."],"dc:identifier.doi":["10.22215/etd/2019-13821"],"dc:identifier.uri":["https://hdl.handle.net/20.500.14718/40530"],"dc:language.iso":["en"],"dc:publisher":["Carleton University"],"dc:rights":["Copyright © 2019 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner."],"dc:title":["An ERP Study to Investigate Age-Related Differences in Sensory Gating and Auditory Processing"],"dc:type":["thesis"],"thesis:degree_discipline":["Psychology"],"thesis:degree_level":["Master's"],"thesis:degree_name":["Master of Arts (M.A.)"]},"updated_at":"2026-07-24T01:34:27Z"}