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Pseudodementia twelve years on.
  1. P S Sachdev,
  2. J S Smith,
  3. H Angus-Lepan,
  4. P Rodriguez
  1. Neuropsychiatric Institute, Prince Henry Hospital, Sydney, Australia.


    This paper reports a longitudinal study of 19 patients diagnosed as having pseudodementia more than a decade earlier. In only one patient was the earlier diagnosis changed to definite dementia and, in this patient, there were strong indicators that such a diagnosis should have been made initially. In a second patient, dementia could not be excluded. The remaining patients did not show evidence of a dementing illness and the courses of the illnesses resembled the primary psychiatric disorders responsible for the pseudodementia. The results validate the clinical utility of the term "pseudodementia".

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