FIGURE 1.

(A) Experimental design used in the audio-haptic (AH) modality. In the haptic (H) and AH modalities, participants were asked to keep their eyes closed with their right hand placed on the experimenter’s face and to categorize with their left hand each perceived syllable. In the auditory modality (A), participants were instructed to keep their eyes closed while, in the visual (V) and audio-visual modality (AV), they were asked to also look at the experimenter’s face. The behavioral experiment included A, V, H, AV, AH modalities while the EEG experiment only included A, AV, and AH modalities. (B,C) Mean percentage of correct identification for /pa/, /ta/, and /ka/ syllables in each modality of presentation in the (B) behavioral and (C) EEG experiments. Error bars represent standard errors of the mean.