Directional hyperattention in tactile neglect within grasping space

Journal of Clinical and Experimental Neuropsychology
H C Haeske-DewickV Hömberg

Abstract

This study was motivated by the fact that unilateral neglect, an impediment to progress in patient rehabilitation, is often reported to occur in a wider area of space than that usually assessed in clinical settings. Neglect within "grasping space" (Halligan & Marshall, 1991; Kolb & Whishaw, 1990) was assessed via two search tasks: one in which search was guided by visual information and the other in which search was guided by tactile information. The performance of 10 left brain-damaged patients (LBD) and 20 right brain-damaged patients, 10 of whom showed left visual neglect (RBD+) while 10 did not (RBD-), was compared with that of age-matched controls. The visual search task confirmed the clinical diagnoses of unilateral visual neglect. On the tactile test, both RBD groups showed reduced search within the left hemispace, although this was a particularly strong feature of the performance of the RBD+ patients. Furthermore, this reduced leftwards exploration in RBD+ patients was associated with an increased frequency of repetitions made within the right hemispace, as had also been noted in some of these patients on conventional visual star cancellation. Results are discussed in relation to hyperattentional theories of directional...Continue Reading

References

Nov 1, 1976·Journal of Neurology, Neurosurgery, and Psychiatry·F Chedru
Nov 1, 1992·Neuropsychologia·C Guariglia, G Antonucci
Jul 1, 1992·Neuropsychologia·A ChatterjeeK M Heilman
Dec 1, 1991·Journal of Neurology, Neurosurgery, and Psychiatry·G GainottiP Bartolomeo
Apr 11, 1991·Nature·P W Halligan, J C Marshall
Mar 1, 1991·Brain and Cognition·R CubelliM G Inzaghi
Oct 1, 1990·Brain : a Journal of Neurology·E Làdavas
Jun 1, 1989·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·E De RenziC Barbieri
Jun 1, 1970·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·E De RenziG Scotti
Apr 1, 1995·Journal of Clinical and Experimental Neuropsychology·C Umiltà
Jun 1, 1994·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·I H RobertsonB A Wilson
Sep 1, 1994·Neurology·P BartolomeoG Gainotti
Sep 1, 1994·Neuropsychologia·A CoweyS Ellis
Sep 1, 1996·Neuropsychologia·H Haeske-DewickV Hömberg

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Citations

Apr 3, 2012·Neuropsychologia·Stéphane JacobsAlessandro Farnè
Jun 9, 2009·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Guido Gainotti
Apr 3, 2009·Journal of Neuropsychology·Gudrun M S NysH Chris Dijkerman
Feb 28, 2006·Neuropsychologia·Igor SchindlerMarie-Thérèse Perenin
Aug 7, 1998·Neuroreport·H O Karnath, M T Perenin
May 3, 2019·PloS One·Charlotte VerfailleValéry Legrain

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