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Using image analysis techniques to analyse figure-copying performance of patients with visuospatial neglect and control groups.

Using image analysis techniques to analyse figure-copying performance of patients with visuospatial neglect and control groups.
Using image analysis techniques to analyse figure-copying performance of patients with visuospatial neglect and control groups.
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.
0743-3808
347-354
Guest, Richard
264ed94a-5d42-4b1b-a4bc-d4f83319de5c
Donnelly, Nick
05c83b6b-ee8d-4c9d-85dc-c5dcd6b5427b
Fairhurst, Michael
6a82d154-93fe-4657-bcee-934d5c888192
Potter, Jonathan
9f0adcdb-fe43-4c3b-b087-cd0d7ca687fc
Guest, Richard
264ed94a-5d42-4b1b-a4bc-d4f83319de5c
Donnelly, Nick
05c83b6b-ee8d-4c9d-85dc-c5dcd6b5427b
Fairhurst, Michael
6a82d154-93fe-4657-bcee-934d5c888192
Potter, Jonathan
9f0adcdb-fe43-4c3b-b087-cd0d7ca687fc

Guest, Richard, Donnelly, Nick, Fairhurst, Michael and Potter, Jonathan (2004) Using image analysis techniques to analyse figure-copying performance of patients with visuospatial neglect and control groups. Behavior Research Methods, Instruments and Computers, 36 (2), 347-354.

Record type: Article

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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Published date: 2004

Identifiers

Local EPrints ID: 40194
URI: http://eprints.soton.ac.uk/id/eprint/40194
ISSN: 0743-3808
PURE UUID: 4880b529-7173-4235-b5c0-38fdef07ea47

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Date deposited: 05 Jul 2006
Last modified: 08 Jan 2022 01:07

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Contributors

Author: Richard Guest
Author: Nick Donnelly
Author: Michael Fairhurst
Author: Jonathan Potter

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