1.5 Obsessive-compulsive disorder (OCD)

1.5.1 Diagnostic criteria for obsessive-compulsive disorder.

• diagnostic criteria for obsessive-compulsive disorder (ICD-11) focusing on types of obsessions and compulsions, including a study, e.g. Rapoport (1989) 'Charles'.
• measures:.
• Maudsley Obsessive-Compulsive Inventory (MOCI).
• Yale-Brown Obsessive-Compulsive Scale (Y-BOCS).

This matters because —ocd criteria determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply —ocd criteria to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: —OCD criteria is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.

1.5.2 Explanations of obsessive-compulsive disorder.

• biological explanations:.
• biochemical.
• genetic.
• psychological explanations:.

This matters because —ocd explanations determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply —ocd explanations to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: —OCD explanations is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.

1.5.3 Treatment and management of obsessive-compulsive disorder.

• biological treatments including the use of SSRIs.
• psychological therapies including:.
• exposure and response prevention (ERP), including a study, e.g. Lehmkuhl et al. (2008).
• cognitive-behavioural therapy (CBT) (exemplified by the following key study).

This matters because —ocd treatments determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply —ocd treatments to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: —OCD treatments is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.