However, as noted in the DSM-5, and by Millon (1996) and Yudofsky (2005), a common thread among Schizotypal Personalities is first-degree relatives with Schizophrenia spectrum illnesses. THE BASICS ...

Both schizotypal and schizoid personality disorders fall into cluster A, explains Chase Cassine, LCSW, a therapist in New Orleans.

Schizoid personality disorder (SPD) is a type of mental health condition that may cause someone to seem distant, blunt or aloof. Treatment often involves psychotherapy to address social and ...