Tackling Anxiety-related Freezing of Gait in People With Parkinson's Disease

Inclusion Criteria: Men/women of age \> 18 years with idiopathic Parkinson's disease, as diagnosed by the UK Brain Bank Criteria; * Presence of daily FOG (as objectified with the new-freezing of gait questionnaire), that is related to anxiety (positive answer to the question: Does FOG occur -or get worse when you are anxious or stressed?); * Using a stable dose of PD medication and stability of DBS settings (if applicable) during the trial. Adjustments of PD medication and DBS settings during the trial are allowed if deemed clinically necessary. * Written informed consent. Exclusion Criteria: * Any comorbidity (i.e. neurological, orthopedic) that significantly impacts gait. * Severe cognitive impairment hampering the ability to comply to the study protocol.