Schizotypal personality disorder is a psychiatric disorder with symptoms that include severe social anxiety and paranoia along with unconventional or delusional beliefs. Individuals who are diagnosed with this disorder have problems maintaining personal relationships due to the paranoid belief that their peers are having negative thoughts. People who suffer from this disorder also react strangely during conversations, fail to respond to others, and sometimes talk to themselves. Because of their social and relationship problems these people often lead idle and unproductive lives.