unconsciousness, temporary

unconsciousness, temporary A partial or complete loss of consciousness; interruption of awareness of oneself and one’s surroundings. When the loss of consciousness is temporary and recovery is spontaneous, it is referred to as syncope or, more commonly, fainting. Temporary unconsciousness may also occur with some types of seizures, from a head injury, or as part of a dissociative state. See also dissociation; seizure; syncope.