Expecting the initial glimpse: prior target knowledge activation or repeated search does not eliminate scene preview search benefits

Litchfield, Damien and Donovan, Tim (2018) Expecting the initial glimpse: prior target knowledge activation or repeated search does not eliminate scene preview search benefits. Journal of Cognitive Psychology . Item availability may be restricted.

[img] PDF - Accepted Version
Restricted to Repository staff only until 9 December 2019.
Available under License CC BY-NC

Download (509kB) | Contact the author
Official URL: https://doi.org/10.1080/20445911.2018.1555163

Abstract

A brief glimpse of a scene can guide eye movements but it remains unclear how prior target knowledge influences early scene processing. Using the ‘flash-preview moving window’ (FPMW) paradigm to restrict peripheral vision during search, we manipulated whether target identity was presented before or after previews. Windowed search was more efficient following 250 ms scene previews, and knowing target identity beforehand further improved how search was initiated and executed. However, in Experiment 2 when targets were removed from scene previews, only the initiation of search continued to be modulated by prior activation of target knowledge. Experiment 3 showed that search benefits from scene previews are maintained even when repeatedly searching through the same type of scene for the same type of target. Experiment 4 replicated Experiment 3 whilst also controlling for differences in integration times. We discuss the flexibility of the FPMW paradigm to measure how the first glimpse affects search.

Item Type: Article
Journal or Publication Title: Journal of Cognitive Psychology
Publisher: Taylor & Francis (Routledge) for European Society for Cognitive Psychology
ISSN: 2044-592X
Departments: Health and Medical Sciences
Depositing User: Tim Donovan
Date Deposited: 07 Dec 2018 13:53
Last Modified: 15 Dec 2018 03:08
URI: http://insight.cumbria.ac.uk/id/eprint/4240

Actions (repository staff only)

Edit Item Edit Item