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KMID : 1009020240220010118
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Clinical Psychopharmacology and Neuroscience
2024 Volume.22 No. 1 p.118 ~ p.128
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The Relationship between Depression Severity and Prefrontal Hemodynamic Changes in Adolescents with Major Depression Disorder: A Functional Near-infrared Spectroscopy Study
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Shin Jeong-Eun
Lee Yun-Sung
Park Seo-Young
Jeong Mi-Young
Choi Jong-Kwan
Cha Ji-Hyun
Lee Yeon-Jung
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Abstract
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Objective: Numerous studies have identified hemodynamic changes in adults with major depressive disorder (MDD) by using functional near-infrared spectroscopy (fNIRS). However, studies on adolescents with MDD are limited. As adolescence is a stage of rapid brain development, differences may occur depending on age. This study used fNIRS as an objective tool to investigate hemodynamic changes in the frontal lobe according to depression severity and age in adolescents with MDD.
Methods: Thirty adolescents (12 aged 12?15 years and 18 aged 16?18 years) were retrospectively investigated. The Children’s Depression Inventory was used as a psychiatric evaluation scale, fNIRS was used as an objective brain function evaluation tool, and the Verbal Fluency Test was performed.
Results: During the Verbal Fluency Test, in the younger MDD group, oxygenated-hemoglobin concentration increased in the right dorsolateral prefrontal cortex region as the severity of depression increased. In the older MDD group, the oxygenated-hemoglobin concentration decreased in the right dorsolateral prefrontal cortex region as the severity of depression increased.
Conclusion: These results suggest that fNIRS may be an objective tool for identifying age differences among adolescents with MDD. To generalize the results and verify fNIRS as a potential biomarker tool, follow-up studies with a larger sample group should be conducted.
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KEYWORD
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Major depressive disorder, Adolescent, Near-infrared spectroscopy, Biomarker, Prefrontal cortex
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