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Distance- rather than location-based temporal judgments are more accurate during episodic recall in a real-world task

Kuruvilla, MV ORCID: 0000-0002-3045-1529, O'Connor, AR and Ainge, JA 2020 , 'Distance- rather than location-based temporal judgments are more accurate during episodic recall in a real-world task' , Memory, vol. 28, no. 6 , pp. 783-794 , doi: 10.1080/09658211.2020.1783319.

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Abstract

Definitions of episodic memory typically emphasise the importance of spatiotemporal frameworks in the contextual reconstruction of episodic retrieval. However, our ability to retrieve specific temporal contexts of experienced episodes is poor. This has bearing on the prominence of temporal context in the definition and evaluation of episodic memory, particularly among non-human animals. Studies demonstrating that rats rely on elapsed time (distance) rather than specific timestamps (location) to disambiguate events have been used to suggest that human episodic memory is qualitatively different to other species. We examined whether humans were more accurate using a distance- or location-based method for judging when an event happened. Participants (n = 57) were exposed to a series of events and then asked either when (e.g., 1:03 pm) or how long ago (HLA; e.g., 33 min) a specific event took place. HLA judgements were significantly more accurate, particularly for the most recently experienced episode. Additionally, a significantly higher proportion of participants making HLA judgements accurately recalled non-temporal episodic features across all episodes. Finally, for participants given the choice of methods for making temporal judgements, a significantly higher proportion chose to use HLA judgements. These findings suggest that human and non-human temporal judgements are not qualitatively different.

Item Type: Article
Authors/Creators:Kuruvilla, MV and O'Connor, AR and Ainge, JA
Keywords: episodic memory, episodic-like memory, passive encoding, mental time travel
Journal or Publication Title: Memory
Publisher: Psychology Press
ISSN: 0965-8211
DOI / ID Number: 10.1080/09658211.2020.1783319
Copyright Information:

Copyright 2020 Informa UK Limited, trading as Taylor & Francis Group

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