In schizophrenia, negative symptoms are characterized by loss or reduction of normal functions. Which of the following is NOT classified as a negative symptom?

Explanation

## Negative vs. Positive Symptoms in Schizophrenia **Key Point:** Negative symptoms represent a **loss or reduction** of normal psychological functions, whereas positive symptoms are **additions or distortions** of normal experience (hallucinations, delusions). ### Classification of Schizophrenic Symptoms | Category | Definition | Examples | |----------|-----------|----------| | **Negative Symptoms** | Loss/reduction of normal function | Alogia, abulia, anhedonia, affective flattening, avolition, social withdrawal | | **Positive Symptoms** | Additions/distortions of experience | Hallucinations, delusions, disorganized speech, disorganized behavior | | **Cognitive Symptoms** | Impairment of mental processes | Poor attention, memory deficits, executive dysfunction | ### Negative Symptoms (The Five A's) **Mnemonic: AAAAA** — Alogia, Avolition, Anhedonia, Affective flattening, Apathy 1. **Alogia** — Poverty of speech; reduced amount and content of speech 2. **Avolition** — Loss of motivation and goal-directed behavior 3. **Anhedonia** — Inability to experience pleasure from normally pleasurable activities 4. **Affective flattening** — Restricted range and intensity of emotional expression 5. **Apathy** — Lack of initiative and interest ### Why Delusions of Persecution is NOT a Negative Symptom Delusions are **positive symptoms** — they represent an **addition or distortion** of normal experience. The patient experiences false beliefs that are not present in reality. This is fundamentally different from the loss of function seen in negative symptoms. **High-Yield:** Negative symptoms are associated with: - Poorer prognosis - Greater functional impairment - Resistance to antipsychotic treatment - Cognitive decline **Clinical Pearl:** Negative symptoms are often the most disabling aspect of schizophrenia and are less responsive to typical antipsychotics. Second-generation antipsychotics (SGAs) show better efficacy for negative symptoms than first-generation agents. **Warning:** Do not confuse depression (which can co-occur in schizophrenia) with negative symptoms. Depressive symptoms in schizophrenia require separate treatment with antidepressants. [cite:Harrison's Principles of Internal Medicine 21e Ch 297]