Complex sentence: The Menninger Clinic organized its first symposium on transpersonal psychiatry in 1992, and in 1994 the "American Psychiatric Association" included a new diagnostic category in its official manual (DSM-IV), following a proposal from clinicians associated with Transpersonal psychology and psychiatry.
Split into simpler sentences: The Menninger Clinic organized its first symposium on transpersonal psychiatry in 1992. In 1994 the "American Psychiatric Association" included a new diagnostic category in its official manual (DSM-IV), following a proposal from clinicians associated with Transpersonal psychology and psychiatry.