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Sensorimotor Based Brain Computer Interface

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ClinicalTrials.gov Identifier: NCT02169375
Recruitment Status : Terminated (Insufficient improvement in primary measures under either condition.)
First Posted : June 23, 2014
Last Update Posted : June 23, 2014
Sponsor:
Collaborator:
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Information provided by (Responsible Party):
Jane Huggins, PhD, University of Michigan

Brief Summary:
Sensorimotor (also know as mu) rhythm based brain-computer interfaces (BCIs) are a tool for controlling electronic devices using only brain signals. Often, the computer software that analyzes mu-rhythm brain signals constantly adapts to the individual user's brain signals when the training target location is known. The investigators want the BCIs to be more universal, and not depend on knowing the target location. Therefore, the investigators will test the effect removing adaptation has on accuracy of using a mu-rhythm BCI.

Condition or disease Intervention/treatment Phase
Healthy Volunteers Other: Brain computer Interface Mu (SMR) rhythm Not Applicable

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 6 participants
Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Triple (Participant, Investigator, Outcomes Assessor)
Primary Purpose: Basic Science
Official Title: Effect of Normalizer Adaptation on Accuracy in a Sensorimotor Based Brain-Computer Interface
Study Start Date : November 2010
Actual Primary Completion Date : June 2011
Actual Study Completion Date : June 2011

Arm Intervention/treatment
Experimental: Mu Rhythm with adaptation Other: Brain computer Interface Mu (SMR) rhythm
Subjects will wear an EEG cap for 1-2 hours typical per session and use the brain computer interface to operate assistive technology. Subjects will be asked to participate in 10 sessions.

Experimental: Mu Rhythm without adaptation Other: Brain computer Interface Mu (SMR) rhythm
Subjects will wear an EEG cap for 1-2 hours typical per session and use the brain computer interface to operate assistive technology. Subjects will be asked to participate in 10 sessions.




Primary Outcome Measures :
  1. Accuracy of a mu rhythm BCI using adaptation versus no adaptation. [ Time Frame: 10 times over 5 weeks ]
    Accuracy with which subjects can select one of two targets after a 3-second time period. The accuracy for a run is calculated as the % of the trials in which the correct target is selected. The average accuracy will be calculated for each of the 10 usage sessions and changes over the sessions will be tracked.



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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Age 18 or older.
  • Able to read text on a computer screen
  • Able to understand and remember instructions concerning participation.

Exclusion Criteria:

  • Unable give informed consent.
  • Unable to understand and follow instructions.
  • Have abnormal tone or uncontrolled movements in the head-and-neck that would interfere with EEG recordings.
  • Known to have photosensitive epilepsy.
  • Open head lesions or sores.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02169375


Locations
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United States, Michigan
University of Michigan
Ann Arbor, Michigan, United States, 48109
Sponsors and Collaborators
University of Michigan
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Investigators
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Principal Investigator: Jane Huggins, PhD University of Michigan
Additional Information:
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Responsible Party: Jane Huggins, PhD, Research Assistant Professor, University of Michigan
ClinicalTrials.gov Identifier: NCT02169375    
Other Study ID Numbers: I0004
R21HD054913 ( U.S. NIH Grant/Contract )
First Posted: June 23, 2014    Key Record Dates
Last Update Posted: June 23, 2014
Last Verified: June 2014