schizoid personality disorder A personality disorder that is characterized by a lack of interest in social relationships, a tendency towards a solitary lifestyle, secretiveness, emotional coldness and sometimes sexual apathy, with a simultaneous rich, elaborate and exclusively internal fantasy world. DOID:10936 ICD9CM:301.2 ICD9CM:301.20 MSH:D012557 SNOMEDCT_2010_1_31:191756003 SNOMEDCT_2010_1_31:191758002 SNOMEDCT_2010_1_31:192486009 SNOMEDCT_2010_1_31:52954000 UMLS_CUI:C0036339 disease_ontology 301.20 MFOMD_0000043 F60.1 Personality disorder where the essential feature is a pervasive pattern of detachment from social relationships and a restricted range of expression of emotions in interpersonal settings. DSM-IV-TR (american Psychiatric Association) Individuals with this personality disorder appear to lack a desire for intimacy, seem indifferent to opportunities to develop close relationships, and do not seem to derive much satisfaction from being part of a family or other social group. They prefer expending time by themselves, rather than been with other people, and often appear to be socially isolated or "loners" and almost always choose solitary activities or hobbies that do not include interaction with others. DSM-IV-TR (american Psychiatric Association) Some studies have shown that schizoid personality disorder is associated with a cold, unempathic, and emotionally impoverished childhood. Whether there is a genetic predisposition to the disorder is not clear. "Understanding abnormal behavior". David Sue, Derald Wing Sue, Stanley Sue. Trastorno esquizoide de la personalidad personality disorder