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Titolo:
How brain arousal systems determine different temperament types and the major dimensions of personality
Autore:
Robinson, DL;
Indirizzi:
Kuwait Univ, Fac Med, Dept Community Med & Behav Sci, Safat 13110, Kuwait Kuwait Univ Safat Kuwait 13110 nity Med & Behav Sci, Safat 13110, Kuwait
Titolo Testata:
PERSONALITY AND INDIVIDUAL DIFFERENCES
fascicolo: 8, volume: 31, anno: 2001,
pagine: 1233 - 1259
SICI:
0191-8869(200112)31:8<1233:HBASDD>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
EEG EVOKED-POTENTIALS; PSYCHOLOGICAL SIGNIFICANCE; BIG 5; INTELLIGENCE; EXTRAVERSION; AROUSABILITY;
Keywords:
arousal; averaged-evoked-potentials; brain; EEG; event-related-potentials; extraversion; neural-excitation; neural-inhibition; neuroticism; personality-dimensions; temperament-types;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Robinson, DL Kuwait Univ, Fac Med, Dept Community Med & Behav Sci, POB 24923, Safat 13110, Kuwait Kuwait Univ POB 24923 Safat Kuwait 13110 Safat 13110, Kuwait
Citazione:
D.L. Robinson, "How brain arousal systems determine different temperament types and the major dimensions of personality", PERS INDIV, 31(8), 2001, pp. 1233-1259

Abstract

Theory and research is described which led to the hypothesis that the choleric (E+N+) and melancholic (E-N+) temperaments are determined by differences in thalamocortical inhibition of brain-stem processes. An opportunity totest this hypothesis was provided by the recent discovery of 4, 7, and 10 Hz response waves confounded in EEG averaged evoked potentials [Robinson, D. L. (1999b). The technical, neurological, and psychological significance of 'alpha' 'theta' and 'delta' waves confounded in EEG evoked potentials: 1. A study of peak latencies. Eleetroencephalography and Clinical Neurophysiology, 110, 1427-1434; (2000). The technical neurological, and psychologicalsignificance of 'alpha', 'delta', and 'theta' waves confounded in EEG evoked potentials: A study of peak amplitudes. Personality and Individual Differences, 28, 673-6931. These responses are attributed to the brain-stem, limbic, and thalamocortical arousal systems, respectively, and in the cited reports principal components analysis of data obtained from 93 participants confirmed the existence of predicted excitatory and inhibitory relationships. ANOVA was used in the present study to test the further prediction that there should be strong inhibition of the 4 Hz system by the 10 Hz system in melancholics (E-N+) and weak inhibition of the 4 Hz system in cholerics (E+N+), with median inhibition predicted for the other temperament types. There was a large and statistically significant difference between the mean scores on the PCA inhibition factor obtained for the temperament groups, with temperament defined in terms of high and low EPQ extraversion (E) and neuroticism (N) scores. The significance of these results is discussed with reference to fundamental questions raised by Pavlov's pioneering research but left unanswered for the best part of a century. Implications for the future conduct of personality research are also considered. (C) 2001 Elsevier Science Ltd. All rights reserved.

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Documento generato il 08/07/20 alle ore 06:46:32