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"Fatal familial insomnia": neuropsychological study of a disease with thalamic degeneration
R Gallassi1, A Morreale, P Montagna
1Institute of Neurology, University of Bologna, Italy.
Abstract:
Fatal Familial Insomnia (FFI) is an inherited disease characterized clinically by sleep, autonomic and motor disturbances and pathologically by marked atrophy of the anterior and dorsomedial nuclei of the thalamus. The neuropsychological study of three cases of FFI showed: (1) a progressive disturbance of attention and vigilance, (2) a memory deficit with lability of mnesic traces and difficulty in manipulation and ordering of events, suggesting an alteration of working memory and (3) a deficit of frontal abilities with impairment in planning and prevision of events but preservation of general intelligence.