Spatial and temporal aspects of navigation in two neurological patients

We present two cases (A.C. and W.J.) with navigation problems resulting from parieto-occipital right hemisphere damage. For both the cases, performance on the neuropsychological tests did not indicate specific impairments in spatial processing, despite severe subjective complaints of spatial disorie...

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Veröffentlicht in:Neuroreport 2010-07, Vol.21 (10), p.685-689
Hauptverfasser: van der Ham, Ineke J.M, van Zandvoort, Martine J.E, Meilinger, Tobias, Bosch, Sander E, Kant, Neeltje, Postma, Albert
Format: Artikel
Sprache:eng
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Zusammenfassung:We present two cases (A.C. and W.J.) with navigation problems resulting from parieto-occipital right hemisphere damage. For both the cases, performance on the neuropsychological tests did not indicate specific impairments in spatial processing, despite severe subjective complaints of spatial disorientation. Various aspects of navigation were tested in a new virtual reality task, the Virtual Tübingen task. A double dissociation between spatial and temporal deficits was found; A.C. was impaired in route ordering, a temporal test, whereas W.J. was impaired in scene recognition and route continuation, which are spatial in nature. These findings offer important insights in the functional and neural architecture of navigation.
ISSN:0959-4965
1473-558X
DOI:10.1097/WNR.0b013e32833aea78