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J Clin Exp Neuropsychol. 1990 Oct;12(5):745-58.

Stroop Color-Word Test performance in patients with Alzheimer's disease.

Author information

1
University of Southern California, Department of Psychology, Los Angeles 90089-1061.

Abstract

Patients with Alzheimer's disease (AD) (n = 36) and normal older adults (n = 36) were individually administered the Stroop Color-Word Test. Eight of 36 (22%) AD patients exhibited confusion between the colors blue and green, while no control subject had difficulty distinguishing among the colors. In a second experiment, a subset of the original sample (15 AD patients and 8 control subjects) was retested using the Stroop. Only 2 AD patients showed color confusion on both test occasions, while 7 AD patients exhibited color confusion on one occasion. No control subject exhibited confusion between colors the second time. These results indicate that color confusion in AD patients is inconsistent. Due to the high incidence of color confusion in AD patients, the Stroop should be used with caution in patient populations.

PMID:
2258434
DOI:
10.1080/01688639008401016
[Indexed for MEDLINE]

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