Forgetting at short term: When do event-based interference and temporal factors have an effect?

Pierre Barrouillet; Gaën Plancher; Alessandro Guida; Valérie Camos

Forgetting at short term: When do event-based interference and temporal factors have an effect?

Pierre Barrouillet ¹ Gaën Plancher ² Alessandro Guida ³ Valérie Camos ⁴

1 FPSE

2 EMC - Laboratoire d'Etude des Mécanismes Cognitifs

3 UR2 - Université de Rennes 2

4 LEAD - Laboratoire d'Etude de l'Apprentissage et du Développement [Dijon]

Abstract : Memory tasks combining storage and distracting tasks performed at either encoding or retrieval have provided divergent results pointing towards accounts of forgetting in terms of either temporal decay or event-based interference respectively. The aim of this study was to shed light on the possible sources of such a divergence that could rely on methodological aspects or deeper differences in the memory traces elicited by the different paradigms used. Methodological issues were explored in a first series of experiments by introducing at retrieval computer-paced distracting tasks that involved articulatory suppression, attentional demand, or both. A second series of experiments that used a similar design was intended to induce differences in the nature of memory traces by increasing the time allowed for encoding the to-be-remembered items. Although the introduction of computer-paced distracting tasks allowed for a strict control of temporal parameters, the first series of experiments replicated the effects usually attributed to event-based interference. However, deeper encoding abolished these effects while time-related effects remained unchanged. These findings suggest that the interplay between temporal factors and event-based interference in forgetting at short term is more complex than expected and could depend on the nature of memory traces.

Keywords : Temporal decay Interference Working memory Short-term memory Forgetting Complex span tasks

Document type :

Journal articles

Domain :

Humanities and Social Sciences / Psychology

Humanities and Social Sciences

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https://hal.univ-rennes2.fr/hal-01874139
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Submitted on : Tuesday, September 18, 2018 - 2:24:47 PM
Last modification on : Wednesday, October 31, 2018 - 12:24:08 PM
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