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Eye-Tracking Control to Assess Cognitive Functions in Patients with Amyotrophic Lateral Sclerosis
Published on: October 13, 2016
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The eye-tracking computer device for communication in amyotrophic lateral sclerosis.
R Spataro1, M Ciriacono, C Manno
1ALS Clinical Research Centre, Department of Experimental Biomedicine and Clinical Neurosciences (BioNeC), University of Palermo, Palermo, Italy.
Acta Neurologica Scandinavica
|December 20, 2013
Summary
Eye-tracking computer systems (ETCS) offer valuable Augmentative and Alternative Communication (AAC) for amyotrophic lateral sclerosis (ALS) patients. Oculomotor dysfunction can limit their effective use.
Area of Science:
- Neurology
- Assistive Technology
- Rehabilitation Medicine
Background:
- Amyotrophic lateral sclerosis (ALS) significantly impacts communication abilities.
- Advanced ALS necessitates effective Augmentative and Alternative Communication (AAC) strategies.
- Eye-tracking computer systems (ETCS) are a potential AAC solution for ALS patients.
Purpose of the Study:
- To evaluate the effectiveness of ETCS for communication in late-stage ALS.
- To identify factors influencing ETCS utilization in this population.
Main Methods:
- A telephone survey was conducted with 30 non-demented, advanced ALS patients using ETCS.
- Data collected included demographics, clinical variables, and daily ETCS usage patterns.
- Interviews were facilitated by caregivers for patients with communication difficulties.
Main Results:
- Patients used ETCS for communication, internet, email, and social networking.
- Median daily ETCS utilization was 300 minutes.
- Eye-gaze tiredness and oculomotor dysfunction were primary reasons for low utilization in 23.3% of patients.
Conclusions:
- ETCS is a valuable AAC tool for ALS patients, enabling good functional performance.
- The progression of oculomotor impairment can restrict the system's utility.
- Further research into managing oculomotor challenges is warranted.
