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Bonn scale for the assessment of basic symptoms - prediction list (BSABS-P)

The Bonn Scale for the Assessment of Basic Symptoms - Prediction List (BSABS-P, Schultze-Lutter F, Klosterkötter J; Cologne: University of Cologne, 2002) is an interview for evaluating a unique European approach, the basic symptom cluster 'cognitive disturbances' as high risk criterion and to assess self-experienced cognitive, perceptual and motor disturbances found to be predictive for a transition to psychosis.

Adapted from the Schizophrenia prediction instrument, adult version - SPI-A (Schultze-Lutter F, Klosterkötter, J; Department of Psychiatry and Psychotherapy, University of Cologne, 2004, the BSABS-P allows for the focussed assessment of the presence and severity of Basic Symptoms with especially high predictive validity. Potential end-users are psychiatric, psychological or public health investigators engaged in early psychosis.

As the main benefit, the BSABS-P provides a particular early recognition of a prodromal phase of psychoses.

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Department of Psychiatry, University of Cologne
Kerpener Str. 62
50924 Cologne
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