Which of the following symptoms is NOT commonly associated with negative symptoms of schizophrenia?

Negative symptoms of schizophrenia encompass a decrease or absence of normal functions and behaviors, which can include flat affect (reduced emotional expression), alogia (poverty of speech), and anhedonia (lack of pleasure or interest). These symptoms reflect a reduction in the capacity to function on an emotional and social level.

Delusions, on the other hand, are categorized as positive symptoms of schizophrenia. They represent an exaggeration of normal functions, manifesting as false beliefs held with conviction despite contradictory evidence. Positive symptoms include things like hallucinations and disorganized thinking, which are not part of the negative symptom spectrum. Therefore, delusions do not align with the characteristics of negative symptoms, making it the correct choice for the symptom that is NOT commonly associated with negative symptoms of schizophrenia.