Hypofunction in the posterior cingulate gyrus correlates with disorientation for time and place in Alzheimer's disease

Nobutsugu Hirono, Etsuro Mori, Kazunari Ishii, Yoshitaka Ikejiri, Toru Imamura, Tatsuo Shimomura, Mamoru Hashimoto, Hikari Yamashita, Masahiro Sasaki

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)

Abstract

The relation between orientation for time and place and regional cerebral glucose metabolism was examined in 86 patients with probable Alzheimer's disease of minimal to moderate severity. Regional glucose metabolic rates in the posterior cingulate gyri and in the right middle temporal gyrus were significantly correlated with temporal orientation, and the glucose metabolic rate in the right posterior cingulate gyrus was significantly correlated with locational orientation irrespective of age, sex, education, and memory impairment. The results suggest that dysfunction of these structures plays an important part in producing disorientation in patients with Alzheimer's disease.

Original languageEnglish
Pages (from-to)552-554
Number of pages3
JournalJournal of Neurology Neurosurgery and Psychiatry
Volume64
Issue number4
DOIs
Publication statusPublished - 1998 Apr

Keywords

  • Alzheimer's disease
  • Orientation
  • Posterior cingulate gyrus

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology
  • Psychiatry and Mental health

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