Dissociation of explicit and implicit long-term memory consolidation in semantic dementia: A case study

S. Tu, E. Mioshi, S. Savage, J. R. Hodges, M. Hornberger

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We report a case study of a semantic dementia patient, whose episodic memory consolidation was tested over a 2-month period. The results reveal that despite early retention of information, the patient lost all explicit information of the newly learnt material after 2 weeks. By contrast, he retained implicit word information even after a 4-week delay. These findings highlight the critical time window of 2-4 weeks in which newly learnt information should be re-encoded in rehabilitations studies. The results also indicate that learnt information can be still accessed with implicit retrieval strategies when explicit retrieval fails.

Original languageEnglish
Pages (from-to)401-407
Number of pages7
JournalNeurocase
Volume19
Issue number4
Early online date12 Jul 2012
DOIs
Publication statusPublished - Aug 2013

Keywords

  • Consolidation
  • Memory
  • Neuroimaging
  • Semantic dementia
  • Voxel-based morphometry

Cite this