system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Cognitive disordres are
assistant
The correct answer is  C i.e. Dementia - Cognitive or higher mental functions (i.e. abstract thinkingQ, concentration, memory, intelligence, orientation, consciousnessQ) are disturbed in organic brain syndromesQ (le delirium, dementia or organic amnestic syndromeQ). Impaired cognitive functions with delusions & hallucinations indicate towards diagnosis of delirium.