Passive limb movements improve visual neglect

Neuropsychologia
F FrassinettiElisabetta Làdavas

Abstract

Recent studies have reported that left neglect can be ameliorated during active movements of a contralesional limb in the contralesional space. In contrast, a passive left hand movement does not seem to induce an amelioration of neglect, at least when it is associated to simultaneous active right movement (Robertson IH, North N, Neuropsychologia 31 (1993) 293-300). In the present study, we explored the possibility that a complex passive movement, such as abduction and adduction of the arm, is able to reduce neglect also when it is associated to simultaneous active right arm movements. To test this hypothesis neglect patients were required to perform an object cancellation test and a line bisection test by using the right hand, while the left arm was passively moved. Moreover, we verified the possibility that left arm stimulation activates the peripersonal more than the extrapersonal space, with the exception of the condition in which the far space can be reached by a tool that extends peripersonal space in the far space (Farnè A, Làdavas E, Neuroreport 11 (2000) 1645-1649). For this reason, patients were required to perform the tasks in near (70 cm) and in far (140 cm) space by means of a light pen (pointing task) and of a stic...Continue Reading

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Citations

Oct 22, 2010·Experimental Brain Research·Zaira CattaneoTomaso Vecchi
Mar 17, 2011·Experimental Brain Research·Hiroya FujikakeLaurence T Maloney
Mar 20, 2002·Neuropsychologia·Alessandro FarnèElisabetta Làdavas
Jan 7, 2011·Journal of the International Neuropsychological Society : JINS·Vincent Dru, Joël Cretenet
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Sep 14, 2007·Neuropsychological Rehabilitation·Andrea SerinoElisabetta Làdavas
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Oct 18, 2008·Perception & Psychophysics·Petra M J Pollux, Patrick A Bourke
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Apr 3, 2012·Neuropsychologia·Stéphane JacobsAlessandro Farnè
May 23, 2008·Brain and Cognition·Michael E R NichollsNatalie Barre
Jun 5, 2004·Neuropsychologia·Valentina AngeliElisabetta Làdavas
Aug 23, 2005·Brain and Cognition·Francesco PavaniElisabetta Làdavas
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Mar 2, 2002·Brain : a Journal of Neurology·Francesca FrassinettiElisabetta Làdavas
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Sep 25, 2021·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·Yuqian ZhangYulong Bai

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