This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Organic mental disorders, Subject name: Psychiatry
Not a feature of dementia 
Select and explain. 
A. Forgetfulness, B. Loss of neurons in brain, C. Loss of sensorium, D. Wearing diy clothes
C: Loss of sensorium
Answer: C: Loss of sensorium 
Explanation: Dementia refers to a disease process marked by progressive cognitive impairment in clear consciousness. Reference: Kaplan & Sadock's synopsis of psychiatry, 11th edition, page 704.