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Audio Motor Training at the Foot Level Improves Space Representation.

Elena Aggius-Vella1, Claudio Campus1, Sara Finocchietti1

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Frontiers in Integrative Neuroscience
|January 13, 2018
PubMed
Summary

Audio-motor feedback using the Audio Bracelet for Blind Interaction (ABBI) device improved spatial awareness around the legs in sighted individuals. This auditory-visual training enhances lower body space representation, aiding rehabilitation efforts.

Keywords:
blindhearingmultisensory integrationrehabilitationspatial cognition

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Area of Science:

  • Neuroscience
  • Sensory integration
  • Rehabilitation technology

Background:

  • Spatial representation relies on integrating visual and other sensory inputs.
  • Lack of vision can impair the development of spatial representations.
  • Previous research indicated the ABBI device benefits upper body spatial representation in early blind adults.

Purpose of the Study:

  • To investigate the efficacy of the ABBI device in enhancing audio spatial representation around the legs in sighted individuals.
  • To determine if audio-motor feedback can improve spatial perception in the lower body periphery.
  • To assess the impact of ABBI on sound localization accuracy in sighted participants.

Main Methods:

  • Forty-five blindfolded sighted participants were divided into three groups: experimental (ABBI audio-motor training on foot), control (free motor activity), and sham control (passive audio feedback).
  • An audio space localization task (front-back discrimination) was administered before and after training.
  • Training involved different conditions of audio-motor feedback or control activities.

Main Results:

  • The experimental group using ABBI demonstrated significant improvement in audio discrimination accuracy.
  • The control groups, receiving free motor activity or passive audio feedback, showed no significant improvement.
  • This suggests audio-motor feedback is crucial for enhancing spatial perception.

Conclusions:

  • Audio-motor training with the ABBI device effectively improves audio spatial perception around the legs in sighted individuals.
  • The findings support the use of ABBI for rehabilitating spatial representations in the lower body.
  • This technology offers potential for improving proprioception and body schema in various populations.