A P300 Brain Computer Interface to Operate Power Wheelchair Tilt

June 20, 2016 updated by: Jane Huggins, PhD, University of Michigan
The investigators want to develop a brain-computer interface (BCI) that will eventually allow people who are completely paralyzed to independently control the tilt feature on their power wheelchairs. This study will allow healthy volunteers to test the feasibility and accuracy of controlling a BCI using only their brain signals while seated in a tilting wheelchair.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

16

Phase

  • Not Applicable

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 99 years (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

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.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Supportive Care
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: Tilt testing
Device: Using a BCI to control wheelchair tilt
Subjects will wear an EEG cap for 1-4 hours (1-2 hours typical) during each session and use a P300 based BCI to type words and control wheelchair tilt. Subjects will be asked to participate in 3 sessions.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The Accuracy of BCI Typing While Tilting in a Power Wheelchair and While Sitting Still in a Power Wheelchair.
Time Frame: 3 1-2 hour sessions over 2-4 weeks
Subjects will participate in 3 sessions. During each session each subject will copy a "word" in each of 3 conditions (no-movement, self-movement, continuous movement) by typing using only brainwaves. For the no-movement condition, the wheelchair seat remains in a fixed position. For the self-movement condition, the angle of the wheelchair seat changes in response to some of the selections made with the brain-computer interface. For the continuous movement condition, the angle of the wheelchair seat moves continuously. Changes in the wheelchair's position may affect spelling accuracy. The accuracy of the subject's copy spelling of the designated word will be measured for each condition in each session. The order of the conditions is balanced across the three days. The accuracy for each subject in each condition is presented as the average of the accuracies for that condition across the three days.
3 1-2 hour sessions over 2-4 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Michigan

Collaborators

Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2010

Primary Completion (Actual)

August 1, 2010

Study Completion (Actual)

August 1, 2010

Study Registration Dates

First Submitted

May 4, 2010

First Submitted That Met QC Criteria

May 11, 2010

First Posted (Estimate)

May 14, 2010

Study Record Updates

Last Update Posted (Estimate)

August 1, 2016

Last Update Submitted That Met QC Criteria

June 20, 2016

Last Verified

June 1, 2016

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • M0001
  • R21HD054913 (U.S. NIH Grant/Contract)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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