Cue overlap supports preretrieval selection in episodic memory: ERP evidence

Moccia, Arianna and Morcom, Alexa M (2021) Cue overlap supports preretrieval selection in episodic memory: ERP evidence. Cognitive, Affective and Behavioral Neuroscience. ISSN 1530-7026

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People often want to recall events of a particular kind, but this selective remembering is not always possible. We contrasted two candidate mechanisms: the overlap between retrieval cues and stored memory traces, and the ease of recollection. In two preregistered experiments (Ns = 28), we used event-related potentials (ERPs) to quantify selection occurring before retrieval and the goal states — retrieval orientations — thought to achieve this selection. Participants viewed object pictures or heard object names, and one of these sources was designated as targets in each memory test. We manipulated cue overlap by probing memory with visual names (Experiment 1) or line drawings (Experiment 2). Results revealed that regardless of which source was targeted, the left parietal ERP effect indexing recollection was selective when test cues overlapped more with the targeted than non-targeted information, despite consistently better memory for pictures. ERPs for unstudied items also were more positive-going when cue overlap was high, suggesting that engagement of retrieval orientations reflected availability of external cues matching the targeted source. The data support the view that selection can act before recollection if there is sufficient overlap between retrieval cues and targeted versus competing memory traces.

Item Type: Article
Schools and Departments: School of Psychology > Psychology
SWORD Depositor: Mx Elements Account
Depositing User: Mx Elements Account
Date Deposited: 20 Dec 2021 13:43
Last Modified: 03 Mar 2022 12:41

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Project NameSussex Project NumberFunderFunder Ref
Temporal Decoding of Selective Recollection with PsychophysiologyG2720BIAL FOUNDATION169/18