Saville, Christopher W. N., Beckles, Kevin D. O., MacLeod, Catherine A., Feige, Bernd ORCID: 0000-0002-9436-1258, Biscaldi, Monica, Beauducel, Andre and Klein, Christoph (2016). A neural analogue of the worst performance rule: Insights from single-trial event-related potentials. Intelligence, 55. S. 95 - 104. NEW YORK: ELSEVIER SCIENCE INC. ISSN 1873-7935

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Abstract

The worst performance rule is the tendency for participants' slowest reaction times to correlate more with psychometric intelligence than their faster reaction times. Reaction times, however, are influenced by the duration of multiple perceptual, attentional, and motor sub-processes, and it is unclear whether the same pattern exists in these sub-processes as well. We used single-trial event-related potentials to identify whether a worst performance rule pattern could be found in stimulus and response-locked P3b latency distributions and scores on a test of non-verbal psychometric intelligence. Fifty participants carried out a set of working memory oddball tasks, while electroencephalographic data were collected, and the British Version of the Intelligence Structure Test, in a separate session. Single-trial P3b latencies were identified in stimulus and response-locked data and a novel quantile bootstrapping method was used to identify which quantiles of the P3b latency distributions correlated most with test scores. In stimulus-locked data, correlations between quantile mean and test scores became more negative with increasing quantile, showing clear evidence of a worst performance rule pattern. In response-locked data, low scorers showed more extreme latencies in both tails of the distribution. However we did not observe a worst performance rule in behavioural data. These data suggest that psychometric intelligence is also associated with response-related processes, which may also contribute to the association between psychometric intelligence and reaction time variability. (C) 2015 Elsevier Inc. All rights reserved.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Saville, Christopher W. N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Beckles, Kevin D. O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
MacLeod, Catherine A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Feige, BerndUNSPECIFIEDorcid.org/0000-0002-9436-1258UNSPECIFIED
Biscaldi, MonicaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Beauducel, AndreUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Klein, ChristophUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-283129
DOI: 10.1016/j.intell.2015.12.005
Journal or Publication Title: Intelligence
Volume: 55
Page Range: S. 95 - 104
Date: 2016
Publisher: ELSEVIER SCIENCE INC
Place of Publication: NEW YORK
ISSN: 1873-7935
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
REACTION-TIME VARIABILITY; INTELLIGENCE; P300; DISCRIMINATION; RISK; TASKMultiple languages
Psychology, MultidisciplinaryMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/28312

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