No abstract

Communication disorders is one of the most difficult challenges for people with neurodegenerative disease [1]. Although the initial symptoms do not interfere with speech intelligibility or language functioning, as neurodegenerative disease progresses, many people are unable to utilize spontaneous speech and written communication to meet their daily communication needs, which has led to the increased use of gaze-based augmentative and alternative communication devices (AACDs) in recent years [2]. In particular, the progression of amyotrophic lateral sclerosis (ALS) can lead