Bacal contends that self psychology's development rests on an object relational foundation. He points to the many bridges that exist between the British object relations theorists and self psychology. “The selfobject—the pivotal concept of self psychology—implies a particular kind of object relation as the determinant of self- experience and the vehicle for self-development.” Bacal feels that each theory has implicit but unstated concepts that relate it to the other: object relations theory a concept of the self, self psychology a concept of the object. He then reviews familiar concepts of selfobject, self, selfobject relationships, and selfobject transference from