This study investigated the effect of acculturation on Halstead-Reitan neuropsychological test performances on nonimpaired Hispanics. The sample consisted of three groups of 50 subjects, representing distinct levels of acculturation: (a) Mexican-American, (b) Anglo-American, and (c) Mexican. A significant effect (p > .05) for acculturation was found on several measures, including the Tactual Performance Test (TPT; Dominant, Nondominant, and Total), the Seashore Rhythm Test, and the Halstead Category Test. Measures not affected by acculturation were TPT Localization and Memory, Finger Tapping, and the Trail Making Test. Recommendations for further research and clinical implications of findings are discussed.
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