Modulation of early auditory processing by visual information: Prediction or bimodal integration?

ABSTRACT: What happens if a visual cue misleads auditory expectations? Previous studies revealed an early visuo-auditory incongruency effect, so-called incongruency response (IR) of the auditory event-related brain potential (ERP), occurring 100 ms after onset of the sound being incongruent to the preceding visual cue. So far, this effect has been ascribed to reflect the mismatch between auditory sensory expectation activated by visual predictive information and the actual sensory input. Thus, an IR should be confined to an asynchronous presentation of visual cue and sound. Alternatively, one could argue that frequently presented congruent visual-cue-sound combinations are integrated into a bimodal representation whereby violation of the visual-auditory relationship results in a bimodal feature mism

SUBMITTER: Stuckenberg MV 

PROVIDER: S-EPMC8084811 | biostudies-literature | 2021 May

REPOSITORIES: biostudies-literature