A P300 Brain Computer Interface to Operate Power Wheelchair Tilt

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.

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Key information

Conditions

Healthy Amyotrophic Lateral Sclerosis Central Nervous System Diseases Metabolic Diseases Motor Neuron Disease Nervous System Diseases Neurodegenerative Diseases Neuromuscular Diseases Nutritional and Metabolic Diseases Proteostasis Deficiencies Spinal Cord Diseases TDP-43 Proteinopathies

Age range

18 year–99 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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.

Treatment and study plan

Using a BCI to control wheelchair tilt

Device

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.

Primary outcomes

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.

Sponsors and collaborators

Lead sponsor

University of Michigan

Other

Collaborators

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

Registry information

Important dates

Study start: 2010
Primary completion: 2010
Study completion: 2010
First posted: May 14, 2010
Registry last updated: Aug 1, 2016

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed