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Developing algorithms to enhance the sensitivity of cancellation tests of visuospatial neglect
N Donnelly1, R Guest, M Fairhurst
1University of Kent, Canterbury, England. nd5@soton.ac.uk
Behavior Research Methods, Instruments, & Computers : a Journal of the Psychonomic Society, Inc
|January 14, 2000
Abstract:
We describe a set of algorithms that enhance the sensitivity of cancellation tests used in assessing visuospatial neglect. The algorithms can be readily implemented on a computer and can provide temporal and nontemporal data on strategies used during cancellation. We also present preliminary results from a group of 68 right-hemisphere brain-damaged patients and 12 age-matched control participants, which demonstrate the clinical significance of the measures we have defined.