A state where one feels that their surrounding environment  (individuals or objects) is unreal.

Derealization

Amnesia refers to the partial or total forgetting of an experience or event. Dissociative amnesia is a specific form where an individual is unable to recall important personal information. This memory impairment is not due to ordinary forgetfulness but typically follows an extremely stressful or traumatic event, such as combat, natural disasters, or being a victim of violence.

Dissociative Amnesia

Identity alternation refers to the phenomenon of situational drastic change of an individual 's identity.

Identity Alternation 

Depersonalization is a dissociative experience defined by a sense of detachment or unfamiliarity with one's own self. An individual might feel like an outside observer of their own thoughts, feelings, or body.

Depersonalization

1. Derealization
2. Depersonalization
3. Amnesia/dissociative amnesia
4. Identity alternation 

New York University

People with BPD often struggle with paranoia or suspicious thoughts about others’ motives. When under stress, they may even lose touch with reality—an experience known as dissociation. They may feel foggy, spaced out, or as if they are outside their own body.

Paranoia and Dissociation

Korzekwa, M. I., Dell, P. F., & Pain, C. (2009). Dissociation and borderline personality disorder: an update for clinicians. Current psychiatry reports, 11(1), 82-88.

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