System searches knowledge base to generate whatever additional indicators are needed and requests information from user. When the system converges on a dysfunction, the dysfunction may have certainty factors associated with it. B. We designed a small prototype expert system to discover information about neuropsychological decision-making. Ideal expert system would divide neuropsychological services into 3 tasks Describe neurological dysfunctions, Identify neurological dysfunction, Make recommendations for treatment. We concentrated on the identification task first.
System can converge on a solution in spite of missing data.
D. Expert system can be important clinical support tool. If expert system arrives at the same conclusion, the neuropsychologist can feel confident in the decision. If it arrives at a different one, they can trace the systems reasoning TOP Exemplar-based Reasoning Models A. Model that produces decisions by matching a target problem to all previous specific cases or episodes, called exemplars. System makes a good match or indicates no good matches in memory. Can account for low frequency information.