Trial-by-trial changes in a priori informational value of external cues and subjective expectancies in human auditory attention.

BACKGROUND: Preparatory activity based on a priori probabilities generated in previous trials and subjective expectancies would produce an attentional bias. However, preparation can be correct (valid) or incorrect (invalid) depending on the actual target stimulus. The alternation effect refers to th...

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Bibliographic Details
Main Authors: Antonio Arjona, Carlos M Gómez
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2011-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3116879?pdf=render