Glossary

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Therapeutic Drift

A phenomenon in AI-mediated support contexts in which users begin to treat an emotionally supportive AI system as a substitute for professional clinical care or meaningful human relationships, rather than as a complementary tool. Therapeutic drift poses risks in caregiving and…

Thought Diffusion(also: Cognitive Defusion, Defusion)

A technique from Acceptance and Commitment Therapy in which a person creates psychological distance from an intrusive thought by recognizing and naming it as simply a thought, rather than treating it as a fact or a command to act. For example, instead of reacting to the thought…

Trauma-Informed Care(also: TIC, Trauma-Informed Approach)

A framework originating in social work practice that asks organisations and service providers to recognise the widespread impact of trauma on the people they serve and to integrate that understanding into their policies, procedures, and interactions. Rather than directly…

Trigger Avoidance(also: Avoidance Behavior, OCD Avoidance)

A compulsive behavior pattern in OCD where individuals minimize or eliminate contact with situations, objects, people, or places that trigger their obsessions. Trigger avoidance ranges from subtle adaptations (using sleeves to touch door handles, using fewer fingers on surfaces)…

Trigger Hierarchy(also: Exposure Hierarchy, Fear Hierarchy, Fear Ladder)

A ranked list of situations, objects, or thoughts that trigger OCD anxiety, ordered from least to most distressing as measured by subjective distress ratings (SUDS). Trigger hierarchies are a foundational tool in Exposure and Response Prevention therapy, guiding the gradual…

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