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Can the exploration of left space be induced implicitly in unilateral neglect?

par Wansard, Murielle;Geurten, Marie;Meulemans, Thierry;Bartolomeo, Paolo;Vanderaspoilden, Valérie
Référence Consciousness and cognition, 31, page (115-123)
Publication Publié, 2015-01

Article révisé par les pairs

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Résumé :

The purpose of the present study was to explore the ability of neglect patients to detect and exploit the predictive value of a cue to respond more quickly and accurately to targets on their contralesional side in a Posner spatial cueing task. The majority of the cues (i.e. 80%) were invalid, indicating that the target would appear on the opposite side, although patients were not informed of this bias. Our results demonstrate that some neglect patients were able to extract the cue's predictability and use it to orient faster toward the left. This cueing effect was present even in patients who were subsequently unable to describe the predictive character of the cues, and thus was not modulated by reportable awareness of the cue-target relation.