Resumo

SIERRA, Natalia et al. Pre-morbid intelligence estimation in mild and moderate cognitive impairment and in disexecutive syndrome. Neuropsicologia Latinoamericana [online]. 2010, vol.2, n.1, pp.25-32. ISSN 2075-9479.

Cognitive assessment of a patient requires the knowledge of his premorbid intelligence. Several methods are suggested to be used in this estimation; demographic variables and reading of irregular words (such as the NART test) have demonstrated their predictive value and robustness under various neuropsychological conditions. In languages with transparent orthography like Spanish, reading tests have relied on correct accentuation of infrequent words, for which correct stress depends on previous knowledge of the word. The present study examines the stability of the Word Accentuation Test - Buenos Aires version (TAP-BA) performance in patients with mild and moderate dementia, and disexecutive syndrome. Fifty-two participants, - 11 dementia patients with mild cognitive impairment (DcL), 11 dementia patients with moderate cognitive impairment (DcM), 17 participants with disexecutive syndrome (DEj), and 13 without cognitive impairment (CTR) paired by age, education and sex, completed a neuropsychological battery and the TAPBA. TAP-BA score did not differ between groups. Significant differences were found between DcM - DcL and DEj - CTR on memory, visuoconstructive and language tests. DEj had significantly lower scores on executive screening and significantly higher scores on depression scales. People with deficit in memory, attention, language, visuoconstructive and executive functioning have similar performance in TAP-BA than people without impairment. This results suggests that the test is not sensitive to moderate and mild impairment or to executive deficits, being useful for estimating premorbid cognitive functioning in Spanish-speaking patients.

Palavras-chave : Accentuation test; Reading; Premorbid intelligence; Cognitive impairment.

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