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Titolo:
INVESTIGATION OF FACIAL RECOGNITION MEMORY AND HAPPY AND SAD FACIAL EXPRESSION PERCEPTION - AN FMRI STUDY
Autore:
PHILLIPS ML; BULLMORE ET; HOWARD R; WOODRUFF PWR; WRIGHT IC; WILLIAMS SCR; SIMMONS A; ANDREW C; BRAMMER M; DAVID AS;
Indirizzi:
UNIV LONDON KINGS COLL,SCH MED & DENT,DEPT PSYCHOL MED,103,DENMARK HILL LONDON SE5 8AZ ENGLAND INST PSYCHIAT,DEPT PSYCHOL MED LONDON SE5 8AF ENGLAND INST PSYCHIAT,DEPT CLIN NEUROSCI LONDON SE5 8AF ENGLAND MAUDSLEY HOSP & INST PSYCHIAT,OLD AGE PSYCHIAT SECT LONDON SE5 8AZ ENGLAND
Titolo Testata:
PSYCHIATRY RESEARCH-NEUROIMAGING
fascicolo: 3, volume: 83, anno: 1998,
pagine: 127 - 138
SICI:
0925-4927(1998)83:3<127:IOFRMA>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
POSITRON EMISSION TOMOGRAPHY; HUMAN EXTRASTRIATE CORTEX; HUMAN VISUAL-CORTEX; WORKING-MEMORY; HUMAN AMYGDALA; EPISODIC MEMORY; SELECTIVE ATTENTION; FACE PERCEPTION; IMAGE-ANALYSIS; BRAIN;
Keywords:
FACE; FUNCTIONAL; NEUROIMAGING; POSITIVE; NEGATIVE; EMOTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
59
Recensione:
Indirizzi per estratti:
Citazione:
M.L. Phillips et al., "INVESTIGATION OF FACIAL RECOGNITION MEMORY AND HAPPY AND SAD FACIAL EXPRESSION PERCEPTION - AN FMRI STUDY", PSYCHIATRY RESEARCH-NEUROIMAGING, 83(3), 1998, pp. 127-138

Abstract

We investigated facial recognition memory (for previously unfamiliar faces) and facial expression perception with functional magnetic resonance imaging (fMRI). Eight healthy, right-handed volunteers participated. For the facial recognition task, subjects made a decision as to the familiarity of each of 50 faces (25 previously viewed; 25 novel). Wedetected signal increase in the right middle temporal gyrus and left prefrontal cortex during presentation of familiar faces, and in several brain regions, including bilateral posterior cingulate gyri, bilateral insulae and right middle occipital cortex during presentation of unfamiliar faces. Standard facial expressions of emotion were used as stimuli in two further tasks of facial expression perception. In the first task, subjects were presented with alternating happy and neutral faces; in the second task, subjects were presented with alternating sad and neutral faces. During presentation of happy facial expressions, wedetected a signal increase predominantly in the left anterior cingulate gyrus, bilateral posterior cingulate gyri, medial frontal cortex and right supramarginal gyrus, brain regions previously implicated in visuospatial and emotion processing tasks. No brain regions showed increased signal intensity during presentation of sad facial expressions. These results provide evidence for a distinction between the neural correlates of facial recognition memory and perception of facial expression but, whilst highlighting the role of limbic structures in perception of happy facial expressions, do not allow the mapping of a distinct neural substrate for perception of sad facial expressions. (C) 1998 Elsevier Science Ireland Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/04/20 alle ore 22:47:13