Title

Anterior-Posterior and Lateral-Medial Changes in P200 Amplitude during a Self-Evaluation Task

Date

5-30-2013 2:00 PM

Location

Werner University Center (WUC) Pacific Room

Department

Psychology

Session Chair

David Foster

Session Title

Psychology Poster Session 2

Faculty Sponsor(s)

Joel Alexander

Presentation Type

Poster session

Abstract

The current study explored the influence of self-evaluation on the latencies and amplitudes of the p200 event-related potential. Participants completed a 3-stage auditory oddball discrimination task, the first consisting of the standard oddball task, the next adding a secondary counting task, and the third adding a secondary self-evaluation task. It was observed that the p200 amplitude was more responsive to the self-evaluation task compared to the other tasks. Unlike the p300, the p200 did not show increased latency effects with the increased demands of self-evaluation. This suggests that the p200 has a unique precursor response compared to the p300.

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May 30th, 2:00 PM

Anterior-Posterior and Lateral-Medial Changes in P200 Amplitude during a Self-Evaluation Task

Werner University Center (WUC) Pacific Room

The current study explored the influence of self-evaluation on the latencies and amplitudes of the p200 event-related potential. Participants completed a 3-stage auditory oddball discrimination task, the first consisting of the standard oddball task, the next adding a secondary counting task, and the third adding a secondary self-evaluation task. It was observed that the p200 amplitude was more responsive to the self-evaluation task compared to the other tasks. Unlike the p300, the p200 did not show increased latency effects with the increased demands of self-evaluation. This suggests that the p200 has a unique precursor response compared to the p300.