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Abstract
The objective of this research was to describe the cognitive performance of a male patient, aged 51, with 9 years of evolution of Parkinson's disease (PD) and a history of psychoactive substance use, for which a protocol was used neuropsychological finding paths in the test (TMT-A 24/24 and TMT-B 24/24), Boston denomination (58/60), FAS-COWAT (28), Curve Memory California (ascending), copy (34 / 36) and evocation (26/36) of the Rey Osterrieth Complex Figure, Tower of London, Stroop Color (C 16 " W 31", CW 57 "). Additionally applied subtests Wechsler Intelligence Test for Adults (WAIS-III) (retention of digits 9, letter-number sequence 10, arithmetic 11, digit-symbol 10, incomplete figures 6, design with cubes10, similarities 9), cognitive profile is within normal parameters for the processes of language, memory, praxis, visual-constructional and skills, are demonstrated slight alterations in attention, working memory and executive functions. Prolonged use of psychoactive substances is a possible risk factor in early development of PD, but with preserved cognitive profile that can be explained by their prior academic and intellectual exercise continued in his profession, which require constant cognitive activities