Severe remote memory loss with minimal anterograde amnesia: a clinical note.
We describe a patient who presented with apparent human Klüver-Bucy syndrome. After pharmacological treatment, his problems gradually resolved, with the exception of some unconcern about this present situation, a mild naming and word list generation deficit, a severe remote memory loss and, in comparison, a minimal anterograde memory disturbance. He has been able to relearn certain details of his personal past. These relearned memories are independent of a sense of personal intimacy. The "relearned memory" was frequently associated with a memory of how and when the information had been reacquired. The results suggest that anterograde and retrograde memory functions may, in at least certain patients, be dissociable. The apparently absolute loss of personal memories indicates that either a retrieval deficit or storage depletion are plausible hypotheses of the remote memory loss in this patient.
Stuss
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School of Medicine (Neurology), University of Ottawa, Ottawa General Hospital, Ontario, Canada.
Guzman
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D000647:Amnesia / Q000523:psychology*; D000648:Amnesia, Retrograde / Q000523:psychology*; D001325:Autobiographies as Topic; D006801:Humans; D007858:Learning; D008297:Male; D008875:Middle Aged; D009769:Object Attachment