Schizoid personality disorder (SPD) is a personality disorder Personality disorders, formerly referred to as character disorders, are a class of personality types and behaviors that the American Psychiatric Association defines as "an enduring pattern of inner experience and behavior that deviates markedly from the expectations of the culture of the individual who exhibits it". Personality disorders characterized by a lack of interest in social relationships, a tendency towards a solitary lifestyle, secretiveness, and emotional coldness.[1] There is increased prevalence of the disorder in families with schizophrenia. SPD is not the same as schizophrenia, although they share some similar characteristics such as detachment or blunted affect Victims of post-traumatic stress syndrome are often said to display blunted affect. Veterans of intense combat have been described as having the thousand-yard stare . Some of these veterans suffer from a disorder once referred to as shell shock and may experience a number of symptoms, including recurring nightmares, hypervigilance, and avoidance.
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21), including major depressive disorder , bipolar disorder , schizophrenia, anorexia nervosa, and borderline personality disorder . ...
