<prompt> All are feature of Wernickes encephalopathy, Except:Cogwheel rigidityAlteration in mental functionOphthalmoplegiaAtaxia  <response>: Answer is A Cogwheel rigidity: Wernickes disease is seen in AlcoholicQ patients with chronic thiamine deficiencyQ. The characteristic clinical triad is that of : Global confusion Ophthalmoplegia Ataxia 