Patent: PCT/GB13/051889
Complex figure tests are commonly used to assess decline in visuo-spatial ability, an important symptom of Alzheimer’s and other dementing conditions. CF-Monitor provides an objective assessment of patients’ drawings that can assist in reaching a better-informed diagnosis.

Patients draw on a digitising tablet with a conventional ballpoint pen and their hesitations and differences in movements are measured and analysed by the evolutionary algorithms.

Results are presented in an easy to interpret display.

Dynamic characteristics of the patient’s pen movements are calculated in real-time by biologically inspired algorithms trained to provide an objective assessment of visuo-spatial impairment that is compatible with conventional scoring systems.

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