Clinical Evaluation of HRV Biofeedback in Functional Neurological Disorders Compared to Placebo

Participation Requirements

• Sex:

  ALL

• Eligible Ages:

  18 to 70

Participation Criteria

Inclusion Criteria:

* Functional Neurological Disorders (FND) diagnosis must be medically established
* Participants must have a smartphone (android ou Iphone)
* Participants must be of the age of majority
* Participants must have signed an informed consent
* Sufficiently fluent in French to understand study documents and instructions
* Consistency in performing repeated questionnaires
* Normal or corrected-to-normal visual acuity

Exclusion Criteria:

* Specially protected participants: juveniles, pregnant womens, nursing mothers, law's protection peoples
* Participants suffering from a severe psychiatric disease needing specialised attention
* History of severe neurosurgical pathology
* Alcohol dependence or drug use
* Participants suffering from or have suffered from a severe disease causing autonomic dysfunctions (heart failure, asthma, blood disease, renal failure, peripheral neuropathy, vagotomy, thyroid disorder, alcoholism, liver disease, amyloidosis)
* Participants taking medication which could be impact autonomic nervous system activity (anticholinergic, antiarrhythmics, clonidine, beta-blockers, tricyclic anti-depressants, metronidazole)
* Participants placing under judicial or administrative supervisions