schizoid personality disorder on blue

schizoid personality disorder mental health psychology symptoms diagnosis treatment therapy psychotherapy counseling isolation withdrawal apathy emotion expression social interactions relationships attachment emotional detachment loneliness alienation introversion avoidance anhedonia indifference disinterest impaired functioning difficulty connecting empathy empathetic behavior patterns person criteria dsm5 risk factors genetic biological environmental influence disorders mood anxiety depression psychiatric illness evaluation psychiatrist psychologist therapist medication antidepressants antipsychotics psychosocial support network recovery coping