Manipulations of subjects' level of arousal in dichotic listening
Identifieur interne : 004516 ( Main/Exploration ); précédent : 004515; suivant : 004517Manipulations of subjects' level of arousal in dichotic listening
Auteurs : Arve Asbjörnsen [Norvège] ; Kenneth Hugdahl [Norvège] ; M. P Bryden [Canada]Source :
- Brain and Cognition [ 0278-2626 ] ; 1992.
Abstract
The effects of manipulation of the subject's level of arousal on the right ear advantage (REA) in dichotic listening to CV-syllables were investigated. There were three different arousal manipulations under high and low incentive levels. Negative manipulations involved threat of electric shock (high incentive) or noise (low incentive) for incorrect answers. Positive manipulations involved the possibility to earn a substantial (high incentive) or small (low incentive) sum of money for correct answers. A third, neutral, condition involved no specific instructions about consequences for correct or incorrect answers. Thirty-six females participated in the study. Heart rate was recorded as an independent measure of change in level of arousal as a function of the experimental instructions. The results showed that the high negative condition abolished the REA effect, with a nonsignificant difference between ears. This was caused by both an increase in correct left ear reports and a decrease in correct right ear reports. The other arousal conditions had no effect on the REA. The results are discussed in terms of right hemisphere dominance for aversive emotional processing in dichotic listening.
Url:
DOI: 10.1016/0278-2626(92)90044-M
Affiliations:
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P" last="Bryden">M. P Bryden</name><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>University of Waterloo, Ontario</wicri:regionArea><wicri:noRegion>Ontario</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Brain and Cognition</title><title level="j" type="abbrev">YBRCG</title><idno type="ISSN">0278-2626</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1992">1992</date><biblScope unit="volume">19</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="183">183</biblScope><biblScope unit="page" to="194">194</biblScope></imprint><idno type="ISSN">0278-2626</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0278-2626</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The effects of manipulation of the subject's level of arousal on the right ear advantage (REA) in dichotic listening to CV-syllables were investigated. There were three different arousal manipulations under high and low incentive levels. Negative manipulations involved threat of electric shock (high incentive) or noise (low incentive) for incorrect answers. Positive manipulations involved the possibility to earn a substantial (high incentive) or small (low incentive) sum of money for correct answers. A third, neutral, condition involved no specific instructions about consequences for correct or incorrect answers. Thirty-six females participated in the study. Heart rate was recorded as an independent measure of change in level of arousal as a function of the experimental instructions. The results showed that the high negative condition abolished the REA effect, with a nonsignificant difference between ears. This was caused by both an increase in correct left ear reports and a decrease in correct right ear reports. The other arousal conditions had no effect on the REA. The results are discussed in terms of right hemisphere dominance for aversive emotional processing in dichotic listening.</div></front></TEI><affiliations><list><country><li>Canada</li><li>Norvège</li></country></list><tree><country name="Norvège"><noRegion><name sortKey="Asbjornsen, Arve" sort="Asbjornsen, Arve" uniqKey="Asbjornsen A" first="Arve" last="Asbjörnsen">Arve Asbjörnsen</name></noRegion><name sortKey="Hugdahl, Kenneth" sort="Hugdahl, Kenneth" uniqKey="Hugdahl K" first="Kenneth" last="Hugdahl">Kenneth Hugdahl</name></country><country name="Canada"><noRegion><name sortKey="Bryden, M P" sort="Bryden, M P" uniqKey="Bryden M" first="M. P" last="Bryden">M. P Bryden</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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