What is Schizotypal Personality Disorder? Symptoms and Treatment Schizotypal Personality Disorder (STPD) is a mental health condition characterized by a pattern of eccentric behavior, odd beliefs, and social anxiety. People with STPD often feel disconnected from others, exhibit unusual thoughts or perceptions, and struggle to form close relationships. While similar to schizophrenia, it is less severe, and individuals with STPD generally retain some degree of reality contact. In this article, we will delve into what Schizotypal Personality Disorder is, the common symptoms associated with the disorder, and the treatment options available.