In psychotic disorders, the term anhedonia refers to:

Question

BlackTom AI · Accepted Answer

Anhedonia refers to a diminished ability to experience pleasure or interest in activities that were previously found enjoyable.

1. Relevant knowledge points and concepts
- Anhedonia is a core negative symptom in psychotic disorders (especially schizophrenia) and in mood disorders. 
- It describes a reduced capacity for pleasure, covering both anticipatory (looking forward to rewards) and consummatory (experiencing pleasure in the moment) aspects. 
- It is distinct from social cognition deficits, affective flattening, avolition (lack of motivation), and lack of empathy.

2. Step-by-step reasoning
- Step 1: Compare the clinical definition: standard psychiatric texts define anhedonia as inability or reduced ability to feel pleasure. 
- Step 2: Examine each option against that definition.
  - Option A: "An inability to react appropriately to social cues" refers to social cognition or pragmatic communication problems, not pleasure experience.
  - Option B: "An inability to react to enjoyable or pleasurable events" matches the canonical definition of anhedonia (reduced responsiveness to pleasurable stimuli).
  - Option C: "An inability to enjoy food" is a narrow example (specific consummatory anhedonia) but too limited to define the term broadly.
  - Option D: "An inability to express empathy" concerns emotional understanding and sharing, a different construct.

3. Calculations/intermediate steps
- Not applicable; the reasoning is definitional and comparative.

4. Why the correct answer is correct
- Option B directly names the core feature: failure to experience pleasure or to respond to pleasurable events. This captures both the generality and clinical usage of anhedonia as a reduction in hedonic capacity across activities.

5. Why other options are incorrect (brief)
- Option A: Social cue processing problems (social cognition) are separate from hedonic capacity.
- Option C: Too specific—anhedonia can affect many pleasurable domains, not only food.
- Option D: Empathy deficits involve understanding/feeling others’ emotions, not the personal capacity to experience pleasure.

6. Conclusion
Therefore, the correct answer is "An inability to react to enjoyable or pleasurable events," which matches the provided answer.

In psychotic disorders, the term anhedonia refers to:单项选择题

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