Short- and long-term implicit memory in aging and Alzheimer's disease

David Mitchell, Frederick Schmitt

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


Implicit memory processes were investigated via picture naming in healthy young and older adults and in persons with mild Alzheimer's disease (AD). Repetition priming in picture-naming was intact in all groups over the course of a short retention interval (seconds), and only the AD group revealed a deficit over a longer interval (72 hours). In addition, the AD group showed impaired procedural memory, with no benefit of practice on picture-naming. Impaired long-term priming was related to severity of AD. Both theoretical and methodological implications are discussed.

Original languageEnglish
Pages (from-to)611-635
Number of pages25
JournalAging, Neuropsychology, and Cognition
Issue number3-4
StatePublished - Dec 1 2006

Bibliographical note

Funding Information:
We thank Drs. Albert Heyman and Donald Schmechel for making the AD patients available. Audrey Norman and the medical personnel on the Rankin Ward provided valuable assistance. Jennifer Rogers supplied bodacious bibliographic support. Data collection was supported by NIA grant #AG00029 to the Center for the Study of Aging and Human Development, Duke University Medical Center. Support for bibliographic research, data analysis, and write-up was provided by grants from Dedman College, NIA #AG07854, and the Foley Family Foundation to David Mitchell, and NIA grant #5P50AG005144 to the Sanders-Brown ADRC.

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Geriatrics and Gerontology
  • Psychiatry and Mental health


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