Standardized Identity Shift

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A standardized identity shift refers to when a headmate, usually an introject, switches to another source material of their own accord.

Such a headmate may also be called an oblitive, and they may be considered to be both a post- and pre- introject simultaneously.

If their are frequent shifts, such a headmate could also be called a fluxtive.

Related Terms
The relationship with one of the headmate's sources may be described as sourceflux, especially if they shift often.