Titre : Polyphénols

Polyphénols : Questions médicales fréquentes

Termes MeSH sélectionnés :

Prefrontal Cortex
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Sources (4940 au total)

Stress estimation by the prefrontal cortex asymmetry: Study on fNIRS signals.

Functional near-infrared spectroscopy (fNIRS) is a non-invasive technique frequently used to measure the brain hemodynamic activity in applications to evaluate affective disorders and stress. Using tw... We measured prefrontal cortex activity with a NIRS multi-distance device during a baseline period, under stressful conditions (e.g., social stress), and after a recovery phase. We calculated a lateral... There was a significant right lateralization during stress when using the contaminated signals, consistent with previous investigations, but this significant difference disappeared using the corrected... There was no recovery phase between the social and the arithmetic stressor, a cumulative effect was not considered.... Extracerebral hemodynamic activity provided insights into the pertinence of short channel corrections in fNIRS studies dealing with emotions. It is important to consider this issue in clinical applica...