Positive symptoms of schizophrenia involve thoughts, behaviors, or perceptions that are:

Positive symptoms of schizophrenia are characterized by the presence of atypical thoughts, behaviors, or perceptions that deviate from normal functioning. This includes hallucinations, delusions, disorganized thinking, and other exaggerated experiences. These symptoms reflect an excess or distortion of normal psychological functions, leading to significant disruptions in an individual’s perception of reality and their cognitive processes.

For instance, someone experiencing auditory hallucinations may hear voices that others do not, which represents the distortion of auditory perception. Similarly, delusions are false beliefs that are firmly held despite contradictory evidence and illustrate a departure from typical thought processes. This understanding of positive symptoms as a manifestation of excess or distortion aligns with their classification within the diagnostic criteria of schizophrenia, highlighting the importance of recognizing these symptoms for diagnosis and treatment.