Look, no hands: A perceptual task shows that number magnitude induces shifts of attention

From: Psychonomic Bulletin & Review | Date: April 1, 2008| Author: | Copyright information

The mental representation of numbers along a line oriented left to right affects spatial cognition, facilitating responses in the ipsilateral hemispace (the spatial-numerical association of response codes [SNARC] effect). We investigated whether the number/space association is the result of an attentional shift or response selection. Previous research has often introduced covert left/right response cues by presenting targets to the left or the right The present study avoided left/right cues by requiring forced choice upper/lower luminance discriminations to two mirror-reversed luminance ...

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