Abstract：
:Spatial neglect can be accompanied by a pusher syndrome (PS) which is characterized by a postural deviation towards the contralesional side. In this study, the representation of the body orientation in the horizontal plane was evaluated in neglect patients with and without PS. The participants had to align a luminous rod with the straight ahead direction, a method allowing the measure of both horizontal components of subjective straight ahead, i.e. lateral shift and yaw rotation. Eighteen patients with a lesion of the right hemisphere were compared with ten healthy participants. Patients had neglect and PS (P+N+; n=3), neglect only (P-N+; n=10), or neither neglect nor PS (P-N-; n=5). P+N+ patients showed a significant leftward shift contrasting with the rightward shift of P-N+. No shift occurred in patients without neglect and controls. No significant yaw error was recorded in any groups. The original result of this study was an inversion of the sign of the bias in neglect patients with PS. This could be related to the postural disorders characterizing this syndrome, and which are opposite to those usually observed in spatial neglect. Thus, these data suggest a link between disorders of spatial representations and disorders of posture.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Honoré J,Saj A,Bernati T,Rousseaux Mdoi
10.1016/j.neuropsychologia.2008.11.008subject
Has Abstractpub_date
2009-02-01 00:00:00pages
634-8issue
3eissn
0028-3932issn
1873-3514pii
S0028-3932(08)00441-7journal_volume
47pub_type
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