Transpersonal Psychology

Transpersonal psychology: the fourth force in psychology — spiritual experience, holotropic states, Grof, Wilber, and the Association for Transpersonal Psychology.

Transpersonal psychology integrates spiritual, mystical, and transcendent experience into psychological theory — often called psychology's "fourth force" after psychoanalytic, behavioral, and humanistic approaches.

Key figures

Institutions

Association for Transpersonal Psychology (ATP, founded 1972); Journal of Transpersonal Psychology (1969).

Transpersonal psychology remains marginal in mainstream APA-accredited academia but has dedicated journals and graduate programs.