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Mov Disord. 2007 Mar 15;22(4):566-9.

Neuropsychiatric and cognitive features in autosomal-recessive early parkinsonism due to PINK1 mutations.

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Department of Neurology, The Sagol Neuroscience Center, Tel-Aviv University, Tel-Aviv, Israel.


Autosomal-recessive early-onset Parkinsonism (AREP) due to PINK1 mutations is characterized by an early-onset, slowly progressive disease, with a good response to levodopa. Psychiatric and cognitive disturbances associated with AREP have rarely been reported in the literature. We describe 2 brothers from a Jewish-Iraqi consanguineous family with a homozygous PINK1 nonsense mutation. Both patients presented with anxiety and dysphoria accompanied by a gait disturbance that developed subsequently into a clinical depression. During the course of the disease, both developed drug-induced behavioral disturbances of the hedonistic homeostatic dysregulation type and 1 had drug-induced psychosis. The first patient had been diagnosed with mild mental retardation and during the 22 years of disease had further deteriorated; the second developed frontal-type dementia at an early age, 20 years after onset. Their father had a psychiatric disorder but no Parkinsonism. This report expands the phenotypic profile of PINK1-related disease, presenting unique psychiatric and cognitive features as part of the clinical picture.

[Indexed for MEDLINE]

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