Studies also involve non-verbal problem solving in the spatial domain.
Applications of these studies are extended into the clinical neuropsychological domain in the evaluation of patients with diseases affecting the basal ganglia. In addition, the neuropsychological impact of neurosurgical approaches to the treatment of movement disorders is also being intensely investigated. Current focus of clinically-related studies is on movement disorders such as Parkinson's disease and Huntington's disease. Functional neuroradiological and oculomotor studies are also of interest. Neuropsychological consequences of posteroventral pallidotomy for the treatment of Parkinson's disease.