Table 4. Core movement disorders, bulbar symptoms and additional neurologic features in WD. These can occur in various combinations and bulbar symptoms may be related to the underlying movement disorder(s).

Core movement disorders	Bulbar symptoms	Additional neurologic features
Tremor	Dysarthria	Cerebellar dysfunction
Dystonia	Drooling	Chorea
Parkinsonism	Dysphagia	Hyperreflexia
		Seizures
		Cognitive impairment

WD, Wilson disease.