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The transference of visual search between two unrelated tasks: Measuring the temporal characteristics of carry-over

Thompson, C, Howting, L and Hills, P 2015, 'The transference of visual search between two unrelated tasks: Measuring the temporal characteristics of carry-over' , The Quarterly Journal of Experimental Psychology , pp. 1-45.

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Abstract

Investigations into the persistence of top-down control settings do not accurately reflect the nature of dynamic tasks. They typically involve extended practice with an initial task, and this initial task usually shares similar stimuli with a second task. Recent work shows that visual attention and search can be affected by limited exposure to a preceding, unrelated task and the current study explored the temporal characteristics of this ‘carry-over’ effect. Thirty-four participants completed one, four, or eight simple letter searches and then searched a natural scene. The spatial layout of letters influenced spread of search in the pictures and this was further impacted by the time spent in the initial task, yet the carry-over effect diminished quickly. The results have implications for theories of top-down control, and models that attempt to predict search in natural scenes. They are also relevant to real-world tasks in which performance is closely related to visual attention and search.

Item Type: Article
Themes: Built and Human Environment
Media, Digital Technology and the Creative Economy
Schools: Schools > School of Health Sciences > Centre for Health Sciences Research
Journal or Publication Title: The Quarterly Journal of Experimental Psychology
Publisher: Taylor & Francis
Refereed: Yes
ISSN: 1747-0218
Related URLs:
Funders: Non funded research
Depositing User: Dr Catherine Thompson
Date Deposited: 04 Mar 2015 17:47
Last Modified: 29 May 2015 15:54
URI: http://usir.salford.ac.uk/id/eprint/33987

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