In this article, Egan et al. examine multisensory evidence accumulation and show that evidence in two modalities sub-additively co-activate a single, thresholded motor process.
Egan et al. examine multisensory evidence accumulation and show that auditory and visual evidence is accumulated in distinct processes during multisensory detection, and cumulative evidence in the two modalities sub-additively co-activates a single, thresholded motor process.