Orientation is a function of the mind involving awareness of three dimensions: (1) time, (2) place and (3) person. Problems with orientation lead to disorientation, and can be due to various conditions, from delirium to intoxication. Typically, disorientation is first in time, then in place and finally in person. The mind is the term most commonly used to describe the higher functions of the human brain, particularly those of which humans are subjectively conscious, such as personality, thought, reason, memory, intelligence and emotion. ... 8:17 am, August 6, 1945, Japanese time. ... Place is a term that has a variety of meanings in a dictionary sense, but which is principally used as a noun to denote location, though in a sense of a location identified with that which is located there. ... In colloquial English, person is often synonymous with human. ... Delirium is a medical term used to describe a mental state. ... This article or section should include material from drunkenness Intoxication is an impaired mental and physical state caused by ingesting alcoholic beverages or other psychoactive drugs. ...

The exact cerebral region involved in orientation is uncertain, but both lesions of the brain stem and the cerebral hemispheres have been reported to cause disorientation, suggesting that they act together in maintaining awareness and its subfunction of orientation. In the anatomy of animals, the brain, or encephalon, is the supervisory center of the nervous system. ... The brain stem is the stalk of the brain below the cerebral hemispheres. ... Human brain viewed from above, showing cerebral hemispheres. ...

Disorientation is the divergence of the normal time and space feeling.