An<unk>  <unk> , also called altered<unk>  of mind or mind alteration, is any condition which is significantly different from a normal waking<unk> . By 1892, the expression was in use in relation to hypnosis, though there is an ongoing debate as to whether hypnosis is to be identified as an<unk>  according to its modern definition. The next retrievable instance, by Dr Max Mailhouse from his 1904 presentation to conference, however, is unequivocally identified as such, as it was in relation to epilepsy, and is still used today. In academia, the expression was used as early as 1966 by Arnold M. Ludwig and brought into common usage from 1969 by Charles Tart. It describes induced changes in one's mental<unk> , almost always temporary. A synonymous phrase is "altered<unk>  of awareness".
Altered state of consciousness
Altered level of consciousness
Snatiation
Psychomotor agitation
Transient loss of consciousness
Confusion
Clouding of consciousness
Somnolence