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Article: The effect of knowledge of results upon contingent negative variation in a reaction time situation with a variable foreperiod

TitleThe effect of knowledge of results upon contingent negative variation in a reaction time situation with a variable foreperiod
Authors
Issue Date1975
Citation
Physiological Psychology, 1975, v. 3 n. 3, p. 257-260 How to Cite?
AbstractTo examine the effects of knowledge of results (KR) on the CNV, the vertex EEG was recorded during eight trials of each of five different foreperiods with ISIs of 1, 3, 5, 7 and 10 sec, in each of two conditions, with feedback by knowledge of results (KR) and without (no KR). Foreperiods were presented randomly from trial to trial to reduce the subject's anticipation of S2 onset, but median CNVs were computed in blocks of eight for each ISI. Results showed that peak amplitudes of the CNV increased with KR. Reaction times were shorter with KR than with no KR. However, correlations of peak CNV with reaction time were not significant. It is suggested that motivation by feedback of knowledge of results is a significant factor in CNV genesis.
Persistent Identifierhttp://hdl.handle.net/10722/168899
ISSN

 

DC FieldValueLanguage
dc.contributor.authorBlowers, GHen_US
dc.contributor.authorOngley, GCen_US
dc.date.accessioned2012-10-08T03:39:29Z-
dc.date.available2012-10-08T03:39:29Z-
dc.date.issued1975en_US
dc.identifier.citationPhysiological Psychology, 1975, v. 3 n. 3, p. 257-260en_US
dc.identifier.issn0090-5046en_US
dc.identifier.urihttp://hdl.handle.net/10722/168899-
dc.description.abstractTo examine the effects of knowledge of results (KR) on the CNV, the vertex EEG was recorded during eight trials of each of five different foreperiods with ISIs of 1, 3, 5, 7 and 10 sec, in each of two conditions, with feedback by knowledge of results (KR) and without (no KR). Foreperiods were presented randomly from trial to trial to reduce the subject's anticipation of S2 onset, but median CNVs were computed in blocks of eight for each ISI. Results showed that peak amplitudes of the CNV increased with KR. Reaction times were shorter with KR than with no KR. However, correlations of peak CNV with reaction time were not significant. It is suggested that motivation by feedback of knowledge of results is a significant factor in CNV genesis.en_US
dc.languageengen_US
dc.relation.ispartofPhysiological Psychologyen_US
dc.titleThe effect of knowledge of results upon contingent negative variation in a reaction time situation with a variable foreperioden_US
dc.typeArticleen_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0016702627en_US
dc.identifier.volume3en_US
dc.identifier.issue3en_US
dc.identifier.spage257en_US
dc.identifier.epage260en_US

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