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Related Concept Videos

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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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Brain-Computer Interface-controlled Upper Limb Robotic System for Enhancing Daily Activities in Stroke Patients
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Noninvasive brain-computer interface enables communication after brainstem stroke.

Eric W Sellers1, David B Ryan2, Christopher K Hauser3

  • 1Department of Psychology, East Tennessee State University, Johnson City, TN 37614, USA. sellers@etsu.edu.

Science Translational Medicine
|October 10, 2014
PubMed
Summary
This summary is machine-generated.

Brain-computer interfaces (BCIs) enable communication for individuals with severe neuromuscular conditions. A brainstem stroke survivor successfully used a noninvasive BCI to communicate, demonstrating its potential for locked-in syndrome.

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Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Assistive Technology

Background:

  • Brain-computer interfaces (BCIs) offer a vital communication pathway for individuals with severe neuromuscular diseases.
  • Previous research demonstrated BCI efficacy in amyotrophic lateral sclerosis (ALS) patients.
  • BCI literature suggests potential benefits for brainstem stroke survivors.

Observation:

  • This case study focused on an individual with locked-in syndrome due to a brainstem stroke.
  • A P300-based event-related potential spelling system was employed.
  • The participant used a noninvasive BCI to communicate volitional messages.

Findings:

  • The participant successfully operated the BCI system during 40 of 62 sessions over 13 months.
  • The individual could accurately spell experimenter-provided words.
  • The participant initiated dialogues with family members.

Implications:

  • Noninvasive BCIs may benefit individuals with locked-in syndrome, irrespective of the underlying cause.
  • BCI technology can restore communication for those with profound motor impairments.
  • This study supports the broader application of BCIs for communication restoration.