Computerised Assessment of Visual Neglect Symptoms in Peripersonal Space

Inclusion Criteria: * Younger subjects * aged between 18 and 35 years * ability to provide written informed consent * right-handedness * Elderly subjects * aged between 50 and 85 years * ability to provide written informed consent * right-handedness Exclusion Criteria: \- Exclusion criteria for both groups: * serious psychiatric disorders (including depression, psychosis) in the past * severe neurological disorders (such as epilepsy, dementia, stroke) in the past * current severe medical disorder * drugs, medication or alcohol abuse at the time of the study * severe traumatic brain injury or tumor in the past * operations on the brain, trepanations * metallic implants in the head / neck area (except in the mouth), such as screws, splinter, artificial cochlea, electrodes * severe skin diseases (like eczema) or very sensitive skin in the head region in the past * epilepsy in the family * current use of neuroleptics, antiepileptics, antidepressants, L-dopa, benzo-diazepines * current pregnancy or lactation * current claustrophobia