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Titolo:
Graphic neglect - More than the sum of the parts
Autore:
Halligan, PW; Marshall, JC;
Indirizzi:
Univ Wales Coll Cardiff, Sch Psychol, Cardiff CF10 3YG, S Glam, Wales UnivWales Coll Cardiff Cardiff S Glam Wales CF10 3YG 3YG, S Glam, Wales Univ Oxford, Radcliffe Infirm, Dept Clin Neurol, Oxford OX2 6HE, England Univ Oxford Oxford England OX2 6HE Clin Neurol, Oxford OX2 6HE, England
Titolo Testata:
NEUROIMAGE
fascicolo: 1, volume: 14, anno: 2001,
parte:, 2 supplemento:, S
pagine: S91 - S97
SICI:
1053-8119(200107)14:1<S91:GN-MTT>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
UNILATERAL NEGLECT; VISUOSPATIAL NEGLECT; REPRESENTATIONAL NEGLECT; SPATIAL NEGLECT; HEMINEGLECT; BRAIN;
Keywords:
spatial cognition; unilateral visual neglect; parietal cortex; visual arts;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Halligan, PW Univ Wales Coll Cardiff, Sch Psychol, POB 901, Cardiff CF10 3YG, S Glam, Wales Univ Wales Coll Cardiff POB 901 Cardiff S Glam Wales CF103YG
Citazione:
P.W. Halligan e J.C. Marshall, "Graphic neglect - More than the sum of the parts", NEUROIMAGE, 14(1), 2001, pp. S91-S97

Abstract

Patients who seem to "ignore" objects or people on one side of space have been described in the medical literature for well over a century. The term "visuospatial neglect" is now used to describe the cluster of behaviors whereby patients after unilateral cerebral lesions (most frequently of right parietal cortex) fail to attend or explore (predominantly) the side of spacecontralateral to the lesion. Although the condition comprises a complex disruption of space-related behaviors, the prevailing view was that the different symptoms could be accommodated in terms of damage to one of three different cognitive mechanisms mediating attention (e.g., K, M, Heilman and E, Valenstein, Ann, Neurol, 5: 166-170, 1979), intention (R. T, Watson, E, Valenstein, and K, Heilman, Ann, Neurol, 3: 505-508, 1978), and/or representation (E. Bisiach, Q. J. Exp. Psychol, 46: 435-461, 1993). The general consensus favors an attentional deficit but the notion of attention has always proved conceptually slippery and difficult to operationalize (P, W, Halligan and J, C, Marshall, Cogn, Neuropsychol, 11: 167-206, 1994a), In this paper,we consider how drawing performance after right brain damage in patients with "visual neglect" reveals the involvement and interplay of several cognitive deficits, including aspects of mental representation and Spatial awareness. (C) 2001 Academic Press.

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Documento generato il 20/01/20 alle ore 07:34:58