Delirium
A state of sudden, severe confusion in rapid changes in brain function
Cognitive function
Involves memory, thinking, reasoning, ability to understand, judgment, and behavior
Delusion
A false belief
Dementia
The loss of cognitive function that interferes with routine personal, social, and occupational activities
Elopement
When a person leaves the agency without staff knowing
Hallucination
Seeing, hearing, smelling, or feeling something that is not real
Paranoia
A disorder of the mind; false beliefs and suspicions about a person or situation
Pseudodementia
False dementia
Sundowning
Signs, symptoms, and behaviors of AD increasing during hours of darkness