dissociation
dissociation n.
Partial or total disconnection between memories of the past, awareness of identity and of immediate sensations, and control of bodily movements, often resulting from traumatic experiences, intolerable problems, or disturbed relationships. See also dissociative disorders, dissociation theory, neodissociation theory. [From Latin dissociare to separate, from dis- apart + sociare to associate + -ation indicating a process or condition]