Observer-based rather than population-based confidence limits for determining probability of change in visual fields

Turpin, A and McKendrick, A 2005, 'Observer-based rather than population-based confidence limits for determining probability of change in visual fields', Vision Research, vol. 45, no. 2526, pp. 3277-3289.


Document type: Journal Article
Collection: Journal Articles

Title Observer-based rather than population-based confidence limits for determining probability of change in visual fields
Author(s) Turpin, A
McKendrick, A
Year 2005
Journal name Vision Research
Volume number 45
Issue number 2526
Start page 3277
End page 3289
Total pages 13
Publisher Elsevier
Abstract Determining confidence intervals on psychophysical thresholds is straight forward if the psychometric function is known. In clinical settings, however, there is only partial information about the psychometric function, hence confidence limits are usually derived from test-retest data collected from many subjects. In this paper, we introduce a computational technique for deriving confidence limits for an individual's endpoint threshold using data typically obtained in a clinical setting, rather than a database of test-retest performance. The technique uses probabilistic analysis of all possible response sequences in a test procedure. We then extend this procedure to allow for levels of typical uncertainty in data measurement. © 2005 Elsevier Ltd. All rights reserved.
Subject Neurosciences not elsewhere classified
DOI - identifier 10.1016/j.visres.2005.08.012
Copyright notice © 2005 Elsevier Ltd. All rights reserved.
ISSN 0042-6989
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