Related Experiment Video
Updated: May 12, 2026
A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis (ALS)
Published on: February 21, 2011
A voice-sensitive microswitch for a man with amyotrophic lateral sclerosis and pervasive motor impairment
Giulio E Lancioni1, Nirbhay N Singh, Mark F O'Reilly
1Department of Neuroscience and Sense Organs, University of Bari , Bari , Italy .
Objective:
To assess a voice-sensitive microswitch for a 67-year-old man with amyotrophic lateral sclerosis (ALS) who had difficulties continuing to use an optic microswitch through small chin movements.
Method:
The man used the microswitches in combination with a computer-aided program to (a) access preferred songs and videos or make requests, and (b) operate a messaging system to communicate with his wife and sons. To assess the man's performance with the two microswitches, we alternated sessions with one microswitch with sessions with the other.
Results:
The man's performance with the new microswitch was apparently more efficient (i.e. he could generally activate the new microswitch with a single attempt while he needed a mean of about two attempts for each activation of the optic microswitch). The man also developed a clear preference for the new microswitch.
Conclusion:
Technology updates are critical within programs for persons with motor degeneration.
Implications For Rehabilitation:
A microswitch that can be used efficiently and without effort is critically important for a person with ALS. The microswitch can be used with programs that allow the person to manage leisure stimulus events, request opportunities and/or text messaging communication. The microswitch needs to be updated (changed) in relation to the person's physical deterioration.
