P T Ingram

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This study evaluates the temporal stability of the Wisconsin Card Sorting Test (WCST). The only previous similar study found unacceptably low test-retest stability in a non-patient elderly sample. In contrast, the present study utilizes 29 untreated obstructive sleep apnea patients who are more typical of persons likely to receive the WCST clinically. The(More)
Reliability and preliminary normative data are provided for the Medical College of Georgia Complex Figures (MCGCF). Forms A and B were examined in 77 healthy older adults, aged 55-75, and found to be of comparable difficulty. Despite the use of parallel forms, there was a practice effect on retesting for each of the recall trials of the MCGCF. There was no(More)
Impaired vigilance performance has been reported in older subjects with sleep apnea syndrome (SAS). The current study is an attempt to extend these findings and to investigate additional factors that might have implications for vigilance in the older adult. Fifty-nine older adults [age: 62 +/- 5 (mean +/- SD), range 54-75 years; respiratory disturbance(More)
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