Positive and Negative Syndrome
Scale (PANSS)
Introduction
                           PANSS
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                        Positive and Negative Syndrome Scale (PANSS)
Overview
   The PANSS, developed by SR Kay et al is a 30-item
    rating scale that is specifically developed to assess
    individuals with schizophrenia and is used very widely
    in research settings. The PANSS is an adaption from
    earlier psychopathology scales, including the Brief
    Psychopathology Rating Scale (BPRS).
                       Positive and Negative Syndrome Scale (PANSS)
Overview
   PANSS is based upon the premises that schizophrenia
    has two distinct syndromes, a positive and a negative
    syndrome. The positive syndrome includes those
    productive features such as delusions and
    hallucinations, while the negative syndrome includes
    those features which are lacking/poorly developed in
    individuals with schizophrenia, such as social
    withdrawal and flattened or blunted affect.
                       Positive and Negative Syndrome Scale (PANSS)
Overview
   Target Population: patients with schizophrenia.
   Time taken: 45 to 50 minutes
   Main indication: Determines presence of symptom,
    frequency and influence on activities / functioning
   Rating performed by: Trained health professionals.
                             Positive and Negative Syndrome Scale (PANSS)
Symptoms
   PANSS obtains specific information about range of
    symptoms:
    • Poor impulse control        • Anxiety
    • Poor impulse control        • Delusions
    • Somatic concerns            • Unusual thought content
    • Depression                  • Suspiciousness/persecution
    • Feelings of guilt           • Passive/apathetic social withdrawal
    • Grandiosity                 • Active social avoidance
                              Positive and Negative Syndrome Scale (PANSS)
Symptoms
   Before rating are assigned it is important to establish
    presence & severity of symptoms
       Prominence of abnormal manifestations
       Frequency of occurrence
       Disruptive impact on daily functioning,
       Disorientation, difficulty in abstract thinking, judgment, insight
                           Positive and Negative Syndrome Scale (PANSS)
Item Points
   The Seven Positive Symptom : Items (P1-P7)
       P1 Delusions
       P2 Conceptual Disorganization
       P3 Hallucinatory Behavior
       P4 Excitement
       P5 Grandiosity
       P6 Suspiciousness/persecution
       P7 Hostility
                              Positive and Negative Syndrome Scale (PANSS)
Item Points
   The Seven Negative Symptom: Items (N1-N7)
       N1 Blunted affect
       N2 Emotional withdrawal
       N3 Poor rapport
       N4 Passive/apathetic social withdrawal
       N5 Difficulty in abstract thinking
       N6 Lack of spontaneity and conversation flow
       N7 Stereotyped thinking
                              Positive and Negative Syndrome Scale (PANSS)
Item Points
   General Psychopathology: Items (G1-G16)
    • G1. Somatic concerns         • G9. Unusual thought content
    • G2. Anxiety                  • G10. Disorientation
    • G3. Guilt feelings           • G11. Poor attention
    • G4. Tension                  • G12. Lack of judgment and insight
    • G5. Mannerisms/ posturing    • G13. Disturbance of volition
    • G6. Depression               • G14. Poor impulse control
    • G7. Motor retardation        • G15. Preoccupation
    • G8. Uncooperativeness        • G16. Active social avoidance
                       Positive and Negative Syndrome Scale (PANSS)
References
   Main reference: Kay SR, Fiszbein A, Opler LA: The
    Positive and Negative Syndrome Scale (PANSS) for
    schizophrenia. Schizophrenia Bulletin 13:261-276,
    1987a.