What is the brief negative symptom scale?
Introduction: The Brief Negative Symptom Scale (BNSS) includes five domains of negative symptoms suggested by the NIMH Consensus Development Conference (anhedonia, asociality, avolition, blunted affect, and alogia), which could be clustered into two factors – Motivation-Pleasure (MAP) and Emotional Expressivity (EE).
What is Panss rating scale?
PANSS items are rated on a 7-point scale (1=absent, 2=minimal, 3=mild, 4=moderate, 5=moderate severe, 6=severe, and 7=extreme); because the absence of symptoms is equal to 1 point, the lowest possible total score on both PANSS scales is 7.
Which negative symptom of schizophrenia is related to disruptions in speech?
With schizophrenia, alogia involves a disruption in the thought process that leads to a lack of speech and issues with verbal fluency. For this reason, it is thought that alogia that appears as part of schizophrenia may result from disorganized semantic memory.
What is the clinical assessment interview for negative symptoms?
Fulfilling the top recommendation of the National Institute of Mental Health’s Consensus Development Conference on Negative Symptoms, the Clinical Assessment Interview for Negative Symptoms (CAINS) was developed using an iterative, empirical approach, and includes items assessing motivation, pleasure, and emotion …
How reliable is PANSS?
The PANSS showed good interrater reliability and test-retest reliability (0.92 and 0.75, respectively). In comparison with the MINI-6, the PANSS showed good sensitivity and specificity, which implies good construct validity of this version.
What does BNSS stand for?
The Brief Negative Symptom Scale (BNSS) grew out of a recommendation by the NIMH-sponsored Consensus Development Conference on Negative Symptoms that a scale based on contemporary concepts be developed.
Does the BNSS measure the underlying construct of negative symptoms?
The BNSS total score was highly correlated with both the SANS (r= .84, P< .001) and PANSS (r= .80, P< .001) total negative symptom scores, suggesting that the measure assessed an underlying construct of negative symptoms similar to that of other standardized measures of negative symptoms.
What is the brief negative symptom scale (KSNS)?
The Brief Negative Symptom Scale, called the KSNS in Dutch, appears to be a reliable and valid tool for investigating negative symptoms in detail in patients with psychotic disorders. Expand
When should the BNSS be used in clinical trials?
Use of the BNSS in clinical trials in which another negative symptom scale is used would be informative.