Black and White Thinking is a cognitive distortion in which people, situations, or self-concepts are perceived in rigid extremes, such as entirely good or entirely bad. Also called @Splitting or dichotomous thinking, it is especially noted in psychological literature on @Borderline Personality Disorder (BPD) and @Narcissistic Personality Disorder (NPD). In BPD, black and white thinking often arises from fears of abandonment and unstable self-image, leading to rapid shifts between idealization and devaluation of close others. In NPD, the same cognitive distortion serves to protect a fragile self-esteem, with others judged as superior or inferior depending on whether they affirm or challenge a grandiose self-concept. Clinicians note that these patterns create relational instability, ranging from emotional turbulence in BPD to exploitative or dismissive dynamics in NPD. The therapeutic experience may involve being alternately viewed as deeply trusted or entirely rejected, which underscores the need for clear boundaries, validation, and psychoeducation. Treatment approaches commonly emphasize increasing tolerance for nuance, encouraging dialectical or integrative thinking, and gradually weakening the hold of polarized perceptions on relationships and self-concept.

Contexts

• #borderline-personality-disorder (See: @Borderline Personality Disorder (BPD))
• #borderline-personality-disorder-lexicon (See: @Borderline Personality Disorder (BPD) Glossary)