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Titolo:
Manipulation of frontal EEG asymmetry through biofeedback alters self-reported emotional responses and facial EMG
Autore:
Allen, JJB; Harmon-Jones, E; Cavender, JH;
Indirizzi:
Univ Arizona, Dept Psychol, Tucson, AZ 85721 USA Univ Arizona Tucson AZ USA 85721 zona, Dept Psychol, Tucson, AZ 85721 USA Univ Wisconsin, Madison, WI USA Univ Wisconsin Madison WI USAUniv Wisconsin, Madison, WI USA
Titolo Testata:
PSYCHOPHYSIOLOGY
fascicolo: 4, volume: 38, anno: 2001,
pagine: 685 - 693
SICI:
0048-5772(200107)38:4<685:MOFEAT>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
BRAIN ASYMMETRY; BIOLOGICAL SUBSTRATE; MATERNAL SEPARATION; AFFECTIVE-DISORDERS; AFFECTIVE STYLE; DEPRESSION; EXPRESSIONS; VALENCE; INFANTS;
Keywords:
frontal EEG asymmetry; biofeedback; emotion; approach-withdrawal model;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Allen, JJB Univ Arizona, Dept Psychol, POB 210068, Tucson, AZ 85721 USA Univ Arizona POB 210068 Tucson AZ USA 85721 ucson, AZ 85721 USA
Citazione:
J.J.B. Allen et al., "Manipulation of frontal EEG asymmetry through biofeedback alters self-reported emotional responses and facial EMG", PSYCHOPHYSL, 38(4), 2001, pp. 685-693

Abstract

Individual differences in resting asymmetrical frontal brain activity havebeen found to predict subsequent emotional responses. The question of whether frontal brain asymmetry can cause emotional responses has yet to be addressed. Biofeedback training designed to alter the asymmetry of frontal brain activity was therefore examined. Eighteen right-handed female participants were randomly assigned to receive biofeedback training designed to increase right frontal alpha relative to left frontal alpha (n = 9) or to receive training in the opposite direction (n = 9). Five consecutive days of biofeedback training provided signals of reward or nonreward depending on whether the difference between right (F4) and left (F3) frontal alpha exceeded acriterion value in the specified direction. Systematic alterations of frontal EEG asymmetry were observed as a function of biofeedback training. Moreover, subsequent self-reported affect and facial muscle activity in response to emotionally evocative film clips were influenced by the direction of biofeedback training.

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Documento generato il 27/01/20 alle ore 17:01:46