Does the Attentional Boost Effect Depend on the Intentionality of Encoding? Investigating the Mechanisms Underlying Memory for Visual Objects Presented at Behaviorally Relevant Moments in Time

URN to cite this document:

urn:nbn:de:bvb:355-epub-442698 Copy

DOI to cite this document:

10.5283/epub.44269 Copy

Hutmacher, Fabian ; Kuhbandner, Christof

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License: Creative Commons Attribution 4.0 PDF - Published Version (661kB)

Date of publication of this fulltext: 14 Jan 2021 11:18

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Item type:	Article
Journal or Publication Title:	Frontiers in Psychology
Publisher:	FRONTIERS MEDIA SA
Place of Publication:	LAUSANNE
Volume:	11
Number of Issue or Book Chapter:	584187
Page Range:	pp. 1-8
Date:	9 November 2020
Institutions:	Human Sciences > Institut für Psychologie Human Sciences > Institut für Psychologie > Lehrstuhl für Psychologie VI (Pädagogische Psychologie) - Prof. Dr. Christof Kuhbandner
Projects:	Open Access Publizieren (DFG)
Identification Number:	Value Type 10.3389/fpsyg.2020.584187 DOI
Keywords:	LONG-TERM-MEMORY; DIVIDED ATTENTION; PERCEPTUAL LOAD; IRRELEVANT; RECOGNITION; STIMULI; NEED; attentional boost effect; visual long-term memory; incidental encoding; intentional encoding; perceptual long-term memory
Dewey Decimal Classification:	100 Philosophy & psychology > 150 Psychology
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Yes
Item ID:	44269

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Abstract

Pictures in a rapid serial visual presentation (RSVP) stream are better remembered when they are simultaneously presented with targets of an unrelated detection task than when they are presented with distractors. However, it is unclear whether this so-called "attentional boost effect" depends on the intentionality of encoding. While there are studies suggesting that the attentional boost effect ...

Abstract

Pictures in a rapid serial visual presentation (RSVP) stream are better remembered when they are simultaneously presented with targets of an unrelated detection task than when they are presented with distractors. However, it is unclear whether this so-called "attentional boost effect" depends on the intentionality of encoding. While there are studies suggesting that the attentional boost effect even occurs when encoding is incidental, there are several methodological issues with these studies, which may have undermined the incidental encoding instructions. The present study (N = 141) investigated the role of the intentionality of encoding with an improved experimental design. Specifically, to prevent a spill-over of intentional resources to the pictures in the RSVP stream, the speed of the stream was increased (to four pictures per second) and each picture was presented only once during the course of the experiment. An attentional boost effect was only found when encoding was intentional but not when encoding was incidental. Interestingly, memory performance for incidentally encoded pictures was nevertheless substantially above chance, independently of whether images were presented with search-relevant targets or distractors. These results suggest that the attentional boost effect is a memory advantage that occurs only under intentional encoding conditions, and that perceptual long-term memory representations are formed as a natural product of perception, independently of the presence of behaviorally relevant events.

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Metadata last modified: 29 Sep 2021 07:42

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