Electroencephalography Shows Effects of Age in Response to Oddball Auditory Signals: Implications for Semi-Autonomous Vehicle Alerting Systems for Older Drivers

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  • This research considers the efficacy of auditory alert systems for semi-autonomous vehicles from the perspective of the neurological processing of multiple modes of information. The present work reports on how the auditory processing of deviant and standard stimuli is impacted by age and workload conditions at regions of the brain involved in the auditory processing pipeline. Electroencephalography (EEG) and behavioural data from older and younger participants were collected. Participants completed a visual memory task with low- and high-workload conditions along with a novel paired-click paradigm. EEG results showed that in the low-workload visual task condition both groups partially overcame the redundancy effect of the second paired tone when a salient stimulus was presented. In contrast, P200 neural responses to these oddball tones were attenuated in older adults in the high-workload conditions of the visual memory task. These findings have implications for how alerting systems are implemented in semi-autonomous vehicles.

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  • Copyright © 2021 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.
Date Created
  • 2021


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