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Journal Article

Extinction-like effects in normals: Independence of localization and response selection


Pollmann,  Stefan
MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Pollmann, S. (2000). Extinction-like effects in normals: Independence of localization and response selection. Brain and Cognition, 44(3), 324-341. doi:10.1006/brcg.1999.1195.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0010-B3F8-C
An extinction-like effect in normal subjects was previously elicited when a low-salience target in the left was simultaneously presented with a highly salient distractor in the right visual hemifield, but not vice versa (Pollmann, 1996). We investigated in four experiments whether this extinction-like effect depends on (a) explicit localization and (b) response competition. It was found that the extinction-like effect could be replicated in the absence of both. In contradistinction to our previous results, low-salience distractors had no effect on pop-out target search. This showed that explicit spatial localization demands lead to low-salience distractor interference on pop-out search.