Item and source memory for emotional associates is mediated by different retrieval processes

Carlos Ventura-Bort, Florin Dolcos, Julia Wendt, Janine Wirkner, Alfons O. Hamm, Mathias Weymar

Research output: Contribution to journalArticle

Abstract

Recent event-related potential (ERP) data showed that neutral objects encoded in emotional background pictures were better remembered than objects encoded in neutral contexts, when recognition memory was tested one week later. In the present study, we investigated whether this long-term memory advantage for items is also associated with correct memory for contextual source details. Furthermore, we were interested in the possibly dissociable contribution of familiarity and recollection processes (using a Remember/Know procedure). The results revealed that item memory performance was mainly driven by the subjective experience of familiarity, irrespective of whether the objects were previously encoded in emotional or neutral contexts. Correct source memory for the associated background picture, however, was driven by recollection and enhanced when the content was emotional. In ERPs, correctly recognized old objects evoked frontal ERP Old/New effects (300-500. ms), irrespective of context category. As in our previous study (Ventura-Bort et al., 2016b), retrieval for objects from emotional contexts was associated with larger parietal Old/New differences (600-800. ms), indicating stronger involvement of recollection. Thus, the results suggest a stronger contribution of recollection-based retrieval to item and contextual background source memory for neutral information associated with an emotional event.

Original languageEnglish (US)
JournalNeuropsychologia
DOIs
StateAccepted/In press - Jan 1 2017

Fingerprint

Evoked Potentials
Long-Term Memory
Recognition (Psychology)

Keywords

  • Emotion
  • Event-related potentials
  • Old/New effect
  • Remember/Know
  • Source memory

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience
  • Behavioral Neuroscience

Cite this

Item and source memory for emotional associates is mediated by different retrieval processes. / Ventura-Bort, Carlos; Dolcos, Florin; Wendt, Julia; Wirkner, Janine; Hamm, Alfons O.; Weymar, Mathias.

In: Neuropsychologia, 01.01.2017.

Research output: Contribution to journalArticle

Ventura-Bort, Carlos ; Dolcos, Florin ; Wendt, Julia ; Wirkner, Janine ; Hamm, Alfons O. ; Weymar, Mathias. / Item and source memory for emotional associates is mediated by different retrieval processes. In: Neuropsychologia. 2017.
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