In addition to amnesia, involves flight to new surroundings without others knowing. Might assume a new idendity and new life. Out of body experience. Sense that there body is not their own or has changed. Personalities are usuallyquite distinct, often with an attribute or group of features in marked contrast to the host and other alters.
Personalities appear for vaying lengths of time - hours or days are most common.
Some alters are without continuity or clear identity - better thought of as states. Personalityes may be unique, coherent, and reliable organized over time. Mnestic - more direct in that one personality has access to another's memory traces. Inexplicable or unnatural forgetfullness. Denial of wrongdoing despite stong evidence.