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Titolo:
In search of the self: A positron emission tomography study
Autore:
Craik, FIM; Moroz, TM; Moscovitch, M; Stuss, DT; Winocur, G; Tulving, E; Kapur, S;
Indirizzi:
Univ Toronto, Dept Psychol, Toronto, ON M5S 3G3, Canada Univ Toronto Toronto ON Canada M5S 3G3 ychol, Toronto, ON M5S 3G3, Canada Rotman Res Inst, Toronto, ON, Canada Rotman Res Inst Toronto ON CanadaRotman Res Inst, Toronto, ON, Canada Clarke Inst Psychiat, Toronto, ON M5T 1R8, Canada Clarke Inst Psychiat Toronto ON Canada M5T 1R8 oronto, ON M5T 1R8, Canada
Titolo Testata:
PSYCHOLOGICAL SCIENCE
fascicolo: 1, volume: 10, anno: 1999,
pagine: 26 - 34
SICI:
0956-7976(199901)10:1<26:ISOTSA>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
EPISODIC MEMORY; RETRIEVAL; PET; INFORMATION; COGNITION; REFERENT; AREAS; HERA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Craik, FIM Univ Toronto, Dept Psychol, Toronto, ON M5S 3G3, Canada Univ Toronto Toronto ON Canada M5S 3G3 nto, ON M5S 3G3, Canada
Citazione:
F.I.M. Craik et al., "In search of the self: A positron emission tomography study", PSYCHOL SCI, 10(1), 1999, pp. 26-34

Abstract

Previous work using positron emission tomography (PET) has shown that memory encoding processes are associated with preferential activation of left frontal regions of the brain, whereas retrieval processes are associated predominantly with right frontal activations. One possible reason for the asymmetry is that episodic retrieval necessarily involves reference to the self; and the self-concept may be represented (at least partially) In right frontal regions. Accordingly, the present study investigated the possibility that encoding of self-related material might also activate right frontal areas. Eight right-handed volunteers judged trait adjectives under four separate PET scan conditions: (a) relevance to self (b) relevance to a well-knownpublic figure, (c) social desirability, and (d) number of syllables. The results showed that self-related encoding yielded left frontal activations similar to those associated with Other types of semantic encoding, but also specific activations in the right frontal lobe. It is concluded that the concept of self involves both general schematic structures and further specific components involved in episodic memory retrieval.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 10/07/20 alle ore 15:35:39