Identifying Negative Symptoms in Schizophrenia

Schizophrenia spectrum disorders are marked by various symptoms that can significantly impact an individual's cognitive and emotional functioning. One key feature of schizophrenia is the presence of psychotic symptoms such as delusions, hallucinations, or disorganized speech. However, not all symptoms of schizophrenia fall neatly into these categories, and understanding the nuances of these experiences is critical for effective diagnosis and treatment.

Which of the following symptoms would most likely be considered a 'negative symptom' of schizophrenia?