Two-dimensional distortion of space representation in unilateral neglect: perceptual and response-related factors. Bisiach, E., Ricci, R., Berruti, G., Genero, R., Pepi, R., & Fumelli, T. Neuropsychologia, 37(13):1491–8, 1999. Paper doi abstract bibtex The paper reports the results of an experiment in which left-neglect patients were required to point at the location they judged vertically to correspond (within the frame of the visual stimulus display they were given) with a cue that was variably located along a left-right axis lying proximally or distally with respect to the left-right axis over which they had to give their response. Patients were found to make rightward errors as in a similar, single-case study. The significant positive correlation between those errors and the degree of response bias on a manual-response version of the Milner Landmark Task suggests that rightward pointing errors made by left-neglect patients in conditions such as those set in the present experiment are due to a dysfunction selectively affecting an output-related component of space representation.
@article{bisiach_two-dimensional_1999,
title = {Two-dimensional distortion of space representation in unilateral neglect: perceptual and response-related factors},
volume = {37},
url = {http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=10617269},
doi = {10.1016/S0028-3932(99)00046-9},
abstract = {The paper reports the results of an experiment in which left-neglect patients were required to point at the location they judged vertically to correspond (within the frame of the visual stimulus display they were given) with a cue that was variably located along a left-right axis lying proximally or distally with respect to the left-right axis over which they had to give their response. Patients were found to make rightward errors as in a similar, single-case study. The significant positive correlation between those errors and the degree of response bias on a manual-response version of the Milner Landmark Task suggests that rightward pointing errors made by left-neglect patients in conditions such as those set in the present experiment are due to a dysfunction selectively affecting an output-related component of space representation.},
number = {13},
journal = {Neuropsychologia},
author = {Bisiach, E. and Ricci, R. and Berruti, G. and Genero, R. and Pepi, R. and Fumelli, T.},
year = {1999},
keywords = {\#nosource, Aged, Aged, 80 and over, Cerebral Cortex/physiopathology, Cerebrovascular Accident/diagnosis/physiopathology, Dominance, Cerebral/*physiology, Female, Humans, Male, Middle Aged, Neuropsychological Tests, Orientation/*physiology, Perceptual Disorders/diagnosis/*physiopathology, Perceptual Distortion/*physiology, Psychomotor Performance/*physiology, Reference Values, Research Support, Non-U.S. Gov't},
pages = {1491--8},
}
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Patients were found to make rightward errors as in a similar, single-case study. The significant positive correlation between those errors and the degree of response bias on a manual-response version of the Milner Landmark Task suggests that rightward pointing errors made by left-neglect patients in conditions such as those set in the present experiment are due to a dysfunction selectively affecting an output-related component of space representation.","number":"13","journal":"Neuropsychologia","author":[{"propositions":[],"lastnames":["Bisiach"],"firstnames":["E."],"suffixes":[]},{"propositions":[],"lastnames":["Ricci"],"firstnames":["R."],"suffixes":[]},{"propositions":[],"lastnames":["Berruti"],"firstnames":["G."],"suffixes":[]},{"propositions":[],"lastnames":["Genero"],"firstnames":["R."],"suffixes":[]},{"propositions":[],"lastnames":["Pepi"],"firstnames":["R."],"suffixes":[]},{"propositions":[],"lastnames":["Fumelli"],"firstnames":["T."],"suffixes":[]}],"year":"1999","keywords":"#nosource, Aged, Aged, 80 and over, Cerebral Cortex/physiopathology, Cerebrovascular Accident/diagnosis/physiopathology, Dominance, Cerebral/*physiology, Female, Humans, Male, Middle Aged, Neuropsychological Tests, Orientation/*physiology, Perceptual Disorders/diagnosis/*physiopathology, Perceptual Distortion/*physiology, Psychomotor Performance/*physiology, Reference Values, Research Support, Non-U.S. Gov't","pages":"1491–8","bibtex":"@article{bisiach_two-dimensional_1999,\n\ttitle = {Two-dimensional distortion of space representation in unilateral neglect: perceptual and response-related factors},\n\tvolume = {37},\n\turl = {http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=10617269},\n\tdoi = {10.1016/S0028-3932(99)00046-9},\n\tabstract = {The paper reports the results of an experiment in which left-neglect patients were required to point at the location they judged vertically to correspond (within the frame of the visual stimulus display they were given) with a cue that was variably located along a left-right axis lying proximally or distally with respect to the left-right axis over which they had to give their response. 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