PD System

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A PD System is a system created, affected, or influenced by a personality disorder. It is an umbrella term covering several labels for individual personality disorders, but can be used on its own if a system prefers. If it is specifically an origin, the term PDgenic may also be used.

Personality disorders are characterized by an inflexible, pervasive, and enduring pattern of inner experience and behavior that deviates markedly from the expectations of the individual's culture and leads to clinically significant distress or impairment in social, occupational, or other important areas of functioning. They are separated into three clusters: Cluster A (odd or eccentric), Cluster B (dramatic or emotional), and Cluster C (anxious or fearful). . Personality disorders are often comorbid with each other and frequently occur simultaneously with other disorders, such as PTSD/C-PTSD, depression, anxiety, and substance abuse disorders.

Although PD symptoms may show up more prominently or noticeably in some headmates than others (such as symptom holders, trauma holders, and persecutors), a personality disorder applies collectively to the entire system.

Cluster A
Cluster A includes Paranoid, Schizotypal, and Schizoid Personality Disorders. Plurals who formed from these disorders may be schizogenic, while those who are affected or influenced by them without it necessarily being their origin may be schizobased. However, not all individuals with PPD, StPD, or SzPD consider themselves to be on the schizophrenia spectrum, and may prefer terms such as PPD System/PPDbased, StPD System/StPDbased, SzPD System/SzPDbased, or any combination of the above.

Cluster B
Cluster B includes Antisocial, Borderline, Histrionic, and Narcissistic Personality Disorders. Plurals who formed from, were affected, or were influenced by these disorders may be ASPD Systems/ASPDbased, BPD Systems/BPDbased, HPD Systems/HPDbased, NPD Systems/NPDbased, or any combination of the above.

Cluster C
Cluster C includes Avoidant, Dependant, and Anankastic/Obsessive-Compulsive Personality Disorders. Plurals who formed from, were affected, or were influenced by these disorders may be AvPD Systems/AvPDbased, DPD Systems/DPDbased, AnPD/OCPD Systems/AnPD/OCPDbased, or any combination of the above.

Other Terms
Outside of the three main clusters exist a few more PD diagnosis, including Other Specified Personality Disorder (in which an individual meets the criteria for a general personality disorder, but not any of the specific diagnosis, with the reasons specified) and Unspecified Personality Disorder (in which an individual meets the criteria for a general personality disorder, but not any of the specific diagnosis, without any reasons specified). Plurals with these disorders may be OSPD Systems/OSPDbased or UPD Systems/UPDbased.

A previous name for Dissociative Identity Disorder, Multiple Personality Disorder, shared the personality disorder suffix, but was never classified as such; it has always been a type of dissociative disorder. Similarly, the DSM term for Anankastic Personality Disorder uses the term obsessive-compulsive, but is not a variant of and has never been classified as an Obsessive-Compulsive and Related Disorder.

As an origin, PDgenic is a subtype of neurogenic. Another origin that may be common among PD systems is traumagenic (possibly neurotraumagenic in particular), due to high comorbidity with PTSD and C-PTSD.