Initial on-line evaluations of the LF-ASD brain-computer interface with able-bodied and spinal-cord subjects using imagined voluntary motor potentials

Previous research has focused on developing a brain-controlled switch named the low frequency asynchronous switch design (LF-ASD) that is suitable for intermittent control of devices such as environmental control systems, computers, and neural prostheses. On-line implementations of the LF-ASD have s...

Full description

Saved in:
Bibliographic Details
Published in:IEEE transactions on neural systems and rehabilitation engineering 2002-12, Vol.10 (4), p.219-224
Main Authors: Birch, G.E., Bozorgzadeh, Z., Mason, S.G.
Format: Article
Language:English
Subjects:
Action Potentials
Adult
Brain computer interfaces
Brain Mapping - methods
Communication Aids for Disabled
Communication system control
Computer interfaces
Control systems
Electroencephalography
Electroencephalography - methods
False Negative Reactions
False Positive Reactions
Fingers
Fingers - physiopathology
Frequency
Humans
Imagination - classification
Injuries
Male
Motor Neurons
Movement - physiology
Online Systems
Predictive Value of Tests
Prosthetics
Reproducibility of Results
Sensitivity and Specificity
Spinal Cord Injuries - rehabilitation
Switches
User-Computer Interface
Volition - classification
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Previous research has focused on developing a brain-controlled switch named the low frequency asynchronous switch design (LF-ASD) that is suitable for intermittent control of devices such as environmental control systems, computers, and neural prostheses. On-line implementations of the LF-ASD have shown promising results in response to actual index finger flexions with able-bodied subjects. This paper reports the results of initial on-line evaluations of the LF-ASD brain-controlled switch with both able-bodied subjects and subjects with high-level spinal-cord injuries. This paper has demonstrated that users can activate the LF-ASD switch by imagining movement. In this paper, two able-bodied subjects were able to control the LF-ASD with imagined voluntary movements with hit (true positive) rates above 70% and false positive rates below 3% while two subjects with high-level spinal-cord injuries demonstrated hit rates ranging from 45-48% and false positive rates below 1%.
ISSN:1534-4320
1558-0210
DOI:10.1109/TNSRE.2002.806839