<unk>  <unk>  is a disorder of the central nervous system characterized by amnesia, deficits in explicit memory, and confabulation. This neurological disorder is caused by a deficiency of thiamine (vitamin B1) in the brain, and it is typically associated with and exacerbated by the prolonged, excessive ingestion of alcohol.<unk>  is often accompanied by Wernicke encephalopathy; this combination is called Wernicke–Korsakoff syndrome.<unk>  is named after Sergei<unk> , the Russian neuropsychiatrist who described it during the late 19th century.
Korsakoff syndrome
Huntington's disease-like syndrome
Parkinson-plus syndrome
Sydenham's chorea
Benedikt syndrome
Dementia praecox
Catel–Manzke syndrome
Tardive dysmentia