Excessive yawning is common in the bulbar-onset form of ALS.
Wicks
Paul
P
D000690:Amyotrophic Lateral Sclerosis / Q000175:diagnosis / Q000453:epidemiology*; D010244:Bulbar Palsy, Progressive / Q000453:epidemiology*; D003937:Diagnosis, Differential; D006801:Humans; D015995:Prevalence; D012720:Severity of Illness Index; D015000:Yawning