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Contents. Antisocial personality disorder. Antisocial personality disorder (ASPD or APD) is a personality disorder characterized by a limited capacity for empathy and a long-term pattern of disregard for or violation of the rights of others, starting before one was 15 years old. [ 3 ][ 4 ] Other notable symptoms include impulsivity, reckless ...
e. Borderline personality disorder (BPD), also known as emotionally unstable personality disorder (EUPD), [16] is a personality disorder characterized by a pervasive, long-term pattern of significant interpersonal relationship instability, a distorted sense of self, and intense emotional responses. [9][17][18] People diagnosed with BPD ...
Frequency. 1 in 1,000,000. Stiff-person syndrome (SPS), also known as stiff-man syndrome, [1] is a rare neurological disorder of unclear cause characterized by progressive muscular rigidity and stiffness. The stiffness primarily affects the truncal muscles and is characterised by spasms, resulting in postural deformities.
Dissociative identity disorder [1] [2]; Other names: Multiple personality disorder Split personality disorder: Specialty: Psychiatry, clinical psychology: Symptoms: At least two distinct and relatively enduring personality states, [3] recurrent episodes of dissociative amnesia, [3] inexplicable intrusions into consciousness (e.g., voices, intrusive thoughts, impulses, trauma-related beliefs ...
Depersonalization-derealization disorder (DPDR, DDD) [ 3 ][ 4 ] is a mental disorder in which the person has persistent or recurrent feelings of depersonalization and/or derealization. Depersonalization is described as feeling disconnected or detached from one's self. Individuals may report feeling as if they are an outside observer of their ...
Hypomania (literally "under mania " or "less than mania") [3] is a mental and behavioral disorder, [4] characterised essentially by an apparently non-contextual elevation of mood (euphoria) that contributes to persistently disinhibited behavior. The individual with the condition may experience irritability, not necessarily less severe than full ...
The word psychopathy is a joining of the Greek words psyche (ψυχή) "soul" and pathos (πάθος) "suffering, feeling". [20] The first documented use is from 1847 in Germany as psychopatisch, [21] and the noun psychopath has been traced to 1885. [22]
For each additional personality disorder criterion that a person meets there is an even reduction in quality of life. [50] Personality disorders – especially dependent, narcissistic, and sadistic personality disorders – also facilitate various forms of counterproductive work behavior , including knowledge hiding and knowledge sabotage.