_:vb50950827 . _:vb50950827 "url:https://en.wikipedia.org/wiki/Wernicke%27s_encephalopathy"^^ . _:vb50950827 . _:vb50950827 "A brain disease that is characterised by the presence of neurological symptoms of ophthalmoplegia, ataxia, and confusion caused by biochemical lesions of the central nervous system after exhaustion of B-vitamin reserves, in particular thiamine (vitamin B1)."^^ . _:vb50950827 . _:vb50950827 . _:vb50950827 .