We propose that amyotrophic lateral sclerosis (ALS), and frontotemporal dementia may be viewed as a failure of interlinked functional complexes having their origins in key evolutionary adaptations. We discuss how hand-arm function, locomotion, brainstem function (involving vocalization/speech, swallowing and breathing), and cognitive impairment share complex, interdependent evolutionary adaptations that can be traced back several million years. Fine movements of the hand facilitated tool-maki...Expand abstract
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Tools and talk: an evolutionary perspective on the functional deficits associated with amyotrophic lateral sclerosis.
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