The purpose of this dual phase cross-sectional, controlled and prospective, open label, exploratory study is to determine the general characteristics of visuospatial exploration and its neural substrate in subjects with Parkinson's Disease (PD) and to explore the impact of professional art therapy intervention in a cohort of subjects with Parkinson's Disease on visuospatial exploration, visuomotor integration, neuropsychological and emotional sphere, quality of daily living and motor symptoms.