Attention accesses multiple reference frames: evidence from visual neglect. Behrmann, M & Tipper, S P J Exp Psychol Hum Percept Perform, 25(1):83–101, 1999. abstract bibtex Research with normal participants has demonstrated that mechanisms of selective attention can simultaneously gain access to internal representations of spatial information defined with respect to both location- and object-based frames of reference. The present study demonstrates that patients with unilateral spatial neglect following a right-hemisphere lesion are poorer at detecting information on the contralateral left side in both location- and object-based spatial coordinates simultaneously. Moreover, the extent of the neglect is modulated by the probability of a target's appearing in either reference frame; as the probability of sampling a target in a particular frame of reference increases, so does the severity of neglect in the frame. These findings suggest that attention can be flexibly and strategically assigned to a reference frame depending on the contingencies of the task.
@article{behrmann_attention_1999,
title = {Attention accesses multiple reference frames: evidence from visual neglect},
volume = {25},
abstract = {Research with normal participants has demonstrated that mechanisms of selective attention can simultaneously gain access to internal representations of spatial information defined with respect to both location- and object-based frames of reference. The present study demonstrates that patients with unilateral spatial neglect following a right-hemisphere lesion are poorer at detecting information on the contralateral left side in both location- and object-based spatial coordinates simultaneously. Moreover, the extent of the neglect is modulated by the probability of a target's appearing in either reference frame; as the probability of sampling a target in a particular frame of reference increases, so does the severity of neglect in the frame. These findings suggest that attention can be flexibly and strategically assigned to a reference frame depending on the contingencies of the task.},
number = {1},
journal = {J Exp Psychol Hum Percept Perform},
author = {Behrmann, M and Tipper, S P},
year = {1999},
pmid = {10069027},
keywords = {*Attention, *Field Dependence-Independence, *Orientation, *Pattern Recognition, Visual, Aged, Aged, 80 and over, Brain Damage, Chronic/diagnosis, Dominance, Cerebral, Female, Hemianopsia/diagnosis, Humans, Male, Middle Aged, Neuropsychological Tests, Research Support, Non-U.S. Gov't, Research Support, U.S. Gov't, P.H.S.},
pages = {83--101},
}
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