Recency effect in anterograde amnesia: Evidence for distinct memory stores underlying enhanced retrieval of terminal items in immediate and delayed recall paradigms

Giovanni A. Carlesimo, G. A. Marfia, A. Loasses, C. Caltagirone

Research output: Contribution to journalArticlepeer-review

Abstract

This study was devised to investigate immediate and delayed recency effects in anterograde amnesic patients. For this purpose, a word-list immediate recall paradigm and a modified version of the procedure devised by Baddeley and Hitch [Attention and Performance, Erlbaum, NJ, 1977] for eliciting the recency effect in delayed recall conditions was administered to a sample of amnesic patients and to a group of age-matched healthy subjects. Amnesics disclosed a fully normal recency effect in the immediate recall paradigm and a deficient recency effect in the delayed recall condition. These data, taken together with experimental evidence from a patient affected by a pure form of phonological short-term memory impairment [35], draw a double neuropsychological dissociation suggesting a differential origin for the two kinds of recency effects: a short-term memory output underlying enhanced recall of terminal items in immediate recall paradigms, and an ordinal retrieval strategy applied to long-term memory stored units at the root of the delayed recency effect.

Original languageEnglish
Pages (from-to)177-184
Number of pages8
JournalNeuropsychologia
Volume34
Issue number3
DOIs
Publication statusPublished - Mar 1996

Keywords

  • Amnesia
  • Memory
  • Recency

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Neuropsychology and Physiological Psychology

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