NCLEX-PN

Answer: C - Absence of energy, immobility, and inability to experience pleasure are negative signs of schizophrenia. These symptoms are labeled as negative because the symptoms are an absence of what should be. Positive signs are additional, such as delusions or the addition of beliefs that are false, hallucinations, or the addition of false sensory perceptions and illusions or the misinterpretation of a sensory stimulus.