Contrasting episodic and template-based guidance during search through natural scenes

Brett Bahle; Andrew Hollingworth

doi:10.1037/xhp0000624

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Contrasting episodic and template-based guidance during search through natural scenes

Journal article

Open access

Peer reviewed

Contrasting episodic and template-based guidance during search through natural scenes

Brett Bahle and Andrew Hollingworth

Journal of experimental psychology. Human perception and performance, Vol.45(4), pp.523-536

04/2019

DOI: 10.1037/xhp0000624

PMID: 30920285

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Abstract

Visual search through natural scenes can be guided by knowledge of where a target object has been observed previously (episodic guidance) and knowledge of that object's visual properties (template guidance). In the present experiments, we compared the relative contributions of these two sources of guidance. Episodic guidance was implemented in a contextual cuing task: participants searched multiple times through a set of scenes for a target letter that appeared in a consistent location within each scene. Template guidance was implemented by the color match between a critical distractor in each scene and a secondary visual working memory (VWM) load. There were four main findings. First, search time decreased with increasing scene repetition; episodic memory guided search. Second, the critical distractor was fixated more frequently on match compared with mismatch trials, consistent with automatic template guidance. Third, the VWM-match effect persisted in blocks with strong episodic guidance. Finally, VWM-match effects were observed from the first saccade during search, whereas episodic guidance to the target developed only later in the trial. The results support a view of natural search in which template-based mechanisms operate early during search in a manner that is not strongly constrained by scene-based forms of guidance, such as episodic knowledge. (PsycINFO Database Record (c) 2019 APA, all rights reserved).

Cues

Young Adult

Attention - physiology

Eye Movement Measurements

Humans

Adolescent

Memory, Episodic

Adult

Female

Male

Memory, Short-Term - physiology

Pattern Recognition, Visual - physiology

Details

Title: Subtitle: Contrasting episodic and template-based guidance during search through natural scenes
Creators: Brett Bahle - Department of Psychological and Brain Sciences, The University of Iowa
Andrew Hollingworth - Department of Psychological and Brain Sciences, The University of Iowa
Resource Type: Journal article
Publication Details: Journal of experimental psychology. Human perception and performance, Vol.45(4), pp.523-536
DOI: 10.1037/xhp0000624
PMID: 30920285
NLM abbreviation: J Exp Psychol Hum Percept Perform
ISSN: 0096-1523
eISSN: 1939-1277
Publisher: United States
Grant note: National Institutes of Health
Language: English
Date published: 04/2019
Academic Unit: Psychological and Brain Sciences
Record Identifier: 9984002344702771

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