Influence of vision on short-term sound localization training with non-individualized HRTF
Résumé
Previous studies have demonstrated that it is possible for humans to adapt to new HRTF, non-individualized or altered, in a short time period through various training programs going from simple sound exposure to active learning. While all training programs are based on a bimodal coupling (audio-vision or audio-proprioception), they are rarely based on a trimodal one. Our study compares two versions of active trainings: an audio-proprioceptive one and an audio-visuo-proprioceptive one, in order to explicit the role of vision in short-term audio localization training when action and proprioception are already involved. Results from an experimental between-subjects design study, with 27 participants trained on three different program conditions with or without vision, reveal that vision seems to have no or very little influence on rapid audio-proprioceptive trainings and HRTF adaptation. This study could also help a better utilization of 3D-audio for neurological or psychiatric rehabilitation program.
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