Figure 1

Experimental design (a) stimuli in the adapted Colavita paradigm adopted in the current study. Three types of stimuli were used: the unimodal visual target, the unimodal auditory target, and the bimodal audiovisual target. (b) Schematic depiction of the time course starting with a unimodal visual trial followed by a unimodal auditory trial and a bimodal trial. (c) The correspondence between the sensory modality and the response hand was counterbalanced within each subject. Participants used their non-dominant (left) hand to respond to the auditory target and their dominant (right) hand to respond to the visual target (LARV) for the first half of the trials and vice versa (LVRA) for the second half of the trials. The order of the two kinds of the modality-hand assignment was counterbalanced across subjects.