Abstract
We examined the relationship between the catechol-O-methyltransferase (COMT) Val158Met genotype and frontal lobe function by using multi-channel near-infrared spectroscopy (NIRS). The present study investigated oxygenated ([oxy-Hb]) and deoxygenated ([deoxy-Hb]) hemoglobin concentration changes during the performance of a verbal fluency task in the frontal region of 71 patients with panic disorder (PD). The activation of [oxy-Hb] on the right lateral prefrontal cortex was observed in the Met/Met genotype of the COMT gene polymorphism of PD patient groups in the analysis of NIRS, which seems to be related to the autonomic dysfunction in the pathogenesis of PD.
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