Cerebral and nervous system (Anatomy/stereology, Basal ganglia, Dopamine, Functional neuroanatomy, Sybstantia Nigra), Biochemistry (confocal microscopy), Cerebral and nervous system (Animal models, neurodegerative disease, Neurological disease models, Parkinson's disease), Molecular medicine (Confocal microscopy, Immunohistochemistry, in vivo gene transfer), Neurobiology (Stereology)