<prompt> Which area of thalamus is involved in Wernickes encephalopathy?Mammilary BodiesDorsomedial NucleusVentroposterolateral nucleusAnterior Nucleus  <response>: Dorsomedial nuclei of the thalamus and mamillary body of the hypothalamus is involved in Wernickes encephalopathy. The mammillary bodies, hypothalamus, medialthalamic nuclei adjacent to the third ventricle, tectal plateand periaqueductal gray matter are most commonly affected. Caused by a deficiency of vitamin B1 thiamine. The classic clinical triad of ocular dysfunctions nystagmus, conjugate gaze palsy, ophthalmoplegia, ataxia and confusion is observed only in 30 of cases. MRI AXIAL FLAIR images showing involvement of different areas of brain in a case of wernickes encephalopathy. 