Using image analysis techniques to analyze figure-copying performance of patients with visuospatial neglect and control groups |
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Authors: | Richard?Guest Email author" target="_blank">Nick?DonnellyEmail author Michael?Fairhurst Jonathan?Potter |
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Institution: | 1.University of Kent,Canterbury,England;2.Department of Psychology,University of Southampton,Highfield,England;3.Kent and Canterbury Hospital,Canterbury,England |
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Abstract: | Figure copying is often used to detect visuospatial neglect (VSN) in brain-damaged patients. We describe algorithms that enable
the computation of parameters for describing figure-copying performance. The researcher can readily implement these algorithms
on a computer using image analysis software, and they provide information on goodness-of-fit, relative to a standard model,
as well as on dynamic aspects of subjects’ performance in completing figure copies. To demonstrate the clinical utility of
these algorithms, preliminary results from a group of right-hemisphere brain-damaged patients, some of whom have VSN, are
compared with those for age-matched controls. |
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