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Low Cost MR Compatible Haptic Stimulation with Application to fMRI Neurofeedback.

Kymberly D Young1, Nicole Prause2, Sarah Lazzaro1

  • 1Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.

Brain Sciences
|October 31, 2020
PubMed
Summary

This study introduces a low-cost, MR-compatible system for haptic vibrotactile feedback in functional magnetic resonance imaging (fMRI) neurofeedback. This novel approach enhances neurofeedback by offering a viable alternative to traditional visual displays.

Keywords:
amygdalafMRI neurofeedbackhapticvibration

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Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Human-Computer Interaction

Background:

  • Functional magnetic resonance imaging (fMRI) neurofeedback commonly uses visual feedback, limiting its potential applications.
  • Haptic feedback is gaining importance in human-computer interaction, yet its integration into fMRI neurofeedback remains underexplored.
  • Current fMRI neurofeedback systems lack advanced sensory feedback modalities.

Purpose of the Study:

  • To describe a novel, low-cost, MR-compatible system for delivering graded haptic vibrotactile stimulation.
  • To demonstrate the feasibility of using this system for real-time fMRI neurofeedback.
  • To encourage the adoption of haptic feedback in fMRI neurofeedback research.

Main Methods:

  • Development of a user-friendly, Magnetic Resonance (MR)-compatible system for vibrotactile feedback.
  • Implementation of the system within a neurofeedback paradigm.
  • Data acquisition to assess system performance and feasibility.

Main Results:

  • Successful setup and operation of the low-cost vibrotactile feedback system in an fMRI environment.
  • Demonstrated feasibility of acquiring data within a neurofeedback context using the haptic system.
  • The system provides graded vibrotactile stimulation suitable for neurofeedback applications.

Conclusions:

  • Haptic vibrotactile stimulation using the developed low-cost system is a viable feedback method for fMRI neurofeedback.
  • This technology offers a promising alternative or supplement to traditional visual feedback in neurofeedback studies.
  • Researchers are encouraged to integrate this haptic feedback system to expand neurofeedback capabilities.