A personnel framework designed to support people who rely on augmentative and alternative communication (AAC) because of acquired medical conditions and those who assist them is described. The roles of AAC finders, general practice clinicians, AAC intervention specialists, AAC facilitators, and AAC experts are summarized. These roles are described in detail for people with amyotrophic lateral sclerosis, brainstem impairment, and severe chronic aphasia. The personnel preparation needs for each of these support personnel groups are identified.

The purpose of this review is to describe the state of the science of augmentative and alternative communication (AAC) for adults with acquired neurogenic communication disorders. Recent advances in AAC for six groups of people with degenerative and chronic acquired neurological conditions are detailed. Specifically, the topics of recent AAC technological advances, acceptance, use, limitations, and future needs of individuals with amyotrophic lateral sclerosis (ALS), traumatic brain injury (TBI), brainstem impairment, severe, chronic aphasia and apraxia of speech, primary progressive aphasia (PPA), and dementia are discussed.

The goal of this study was to investigate the deterioration of lip and jaw movements during speech longitudinally in three individuals diagnosed with bulbar amyotrophic lateral sclerosis (ALS). The study was motivated by the need to understand the relationship between physiologic changes in speech movements and clinical measures of speech performance such as speaking rate and speech intelligibility. Movements of the lip and jaw were quantified with respect to their size speed, and duration. The data revealed several changes in lip and jaw movement that coincided with ALS progression. In two out of three speakers, the changes in measures of path distance and speed anticipated the drop in speech intelligibility by approximately 3 months. With disease progression, increases in movement duration coincided with declines in speech intelligibility. Overall, the movement measures appeared to be sensitive to disease progression in ALS. Learning outcomes: By the end of the article, the reader should be able to: (1) describe the changes that occur in articulatory movements of the jaw and lower lip in ALS; (2) understand the relationship between physiologic measures of movement and speech intelligibility and speaking rate; (3) identify critical points in the disease progression and understand which quantitative measures reveal the state of the bulbar system at these time points.

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