The four components of decisional capacity assessment are: understanding, appreciation, reasoning, and communication of a choice. A patient with schizophrenia understands the information but believes the doctors are conspiring against him and so refuses treatment. Which component of capacity is PRIMARILY impaired?
- A Understanding
- B Reasoning
- C Appreciation ✓
- D Communication
Correct answer: C. Appreciation
Explanation
Appreciation refers to the patient's ability to acknowledge that the information applies to their own situation — recognizing they have the illness and that treatment may benefit them. This paranoid patient understands the information cognitively but does not appreciate it in the context of his own situation (delusionally believes the information does not apply to him or is false). This is the most commonly impaired capacity component in psychosis.
Reference: Kaplan & Sadock's Synopsis of Psychiatry, 11th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
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