Anti-Extinction in the Tactile Modality

Patients with extinction fail to report a contralesional stimulus when it is presented at the same time as an ipsilesional stimulus, and patients with unilateral neglect fail to report a contralesional stimulus even when there is no competing ipsilesional stimulus. Whereas extinction and neglect are...

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Veröffentlicht in:	Perception (London) 2013-01, Vol.42 (6), p.669-671
Hauptverfasser:	White, Rebekah C, Davies, Anne M Aimola
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult and adolescent clinical studies Aged Attention Awareness Biological and medical sciences Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes Extinction, Psychological Functional Laterality Fundamental and applied biological sciences. Psychology Generalization (Psychology) Hemiplegia - psychology Humans Infarction, Middle Cerebral Artery - complications Infarction, Middle Cerebral Artery - psychology Male Medical sciences Nervous system (semeiology, syndromes) Neurology Organic mental disorders. Neuropsychology Pattern Recognition, Visual Perception Perceptual Disorders - psychology Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Psychopathology. Psychiatry Tactile perception Touch
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Zusammenfassung:	Patients with extinction fail to report a contralesional stimulus when it is presented at the same time as an ipsilesional stimulus, and patients with unilateral neglect fail to report a contralesional stimulus even when there is no competing ipsilesional stimulus. Whereas extinction and neglect are common following stroke, the related phenomenon of anti-extinction is rare—there are four cases of anti-extinction in the literature, and all four cases demonstrated anti-extinction in the visual modality. Patients with anti-extinction do report a contralesional stimulus when it is presented at the same time as an ipsilesional stimulus; but, like patients with neglect, they fail to report a contralesional stimulus when there is no competing ipsilesional stimulus. We present the first case of anti-extinction in the tactile modality.
ISSN:	0301-0066 1468-4233
DOI:	10.1068/p7477