Obesity Clinical Trial
Official title:
Neurofeedback Based on Near-infrared Spectroscopy as a Therapy for Food Addiction in Obese Subjects.
The hypothesis is that the increase in dlPFC brain activity via near-infrared spectroscopy-based Neurofeedback (fNIRS-based NF) training based on near-infrared spectroscopy would allow an improvement of the eating behavior, thus promoting a long-term weight loss in obese subjects. Patients will be trained during a month with 8 NF sessions and results based on clinical data and different questionnaires results will be compared between inclusion and 3 months later
Obesity is a disease of increasing prevalence due in part to the greater availability of fatty, sugary and/or salty foods which, when consumed chronically and in excess, can lead to food addiction. According to the neurocognitive model of addiction, the development and maintenance of addiction is associated with deficits in cognitive control, as well as a decrease prefrontal cortex (dlPFC). Self-control in food choice situations also depends on prefrontal network with the dlPFC as a hub, strongly connected with striatal and cingulate structures. Neurofeedback (NF) is a technique that relies on the patient's positive or negative self-regulation of brain activity. It has been shown to be effective in several pathologies, in particular attention deficit/hyperactivity disorder in young people and more recently in depression and emotion regulation. In this study, NF will be based on near-infrared spectroscopy (fNIRS), because its use is easy mobile and inexpensive. The hypothesis is that the increase in dlPFC brain activity via fNIR-based NF training based on fNIRS would allow an improvement of the eating behavior, thus promoting a long-term weight loss in obese subjects. ;
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