A Bayesian View of Sensory Conflicts in Decision-Making March 3 , 2006 1 Introduction

Decisional conflicts abound in sensory processing and perce tual decision-making, and they arise from diverse sources . These conflicts can result directly from conflicting informa tion in the sensory inputs themselves – such as conflicts between modalities in the Stroop task, between spatially ad jacent stimuli in the Eriksen task, or between the eyes in the binocular rivalry task. Another class of conflicts is mor e indirect, as when there are multiple, conflicting interpre tations consistent with the same sensory-evoked neural inp uts. Examples of this latter type include multi-stable visu al displays, and contexts in which the semantical relationshi p among sensory objects are non-stationary over time.

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