ġб , ǰ , м Ư β Ҹð ڱؿ ΰ ߷ ϡǷ ɼ û硦 ȭ ܼ '' ƴ ȭ ̰ Ϻ Ŀ, ڱؿ ΰ ݸ ̸ ɷ ɷ ȭ ִٴ Դ. ̴ ܼ ȭϴ ƴ϶, Ȱ ش. 4 β ڱؿ ΰ ġб Ű 7(T) ʰػ MRI Ȱ ǰ мߴ. 25 ΰ 65 ߴ. м , ˰ð ܺ Ƶ̴ 4(layer 4) οԼ β Ÿ. ̴ ڱؿ ϰ ûѴ. Է β Ҹ, , ʱ ħ ̼ ڱؿ ΰ ɼ ũ. ݴ, ϰ ɷ ϴ 56 . " ȣ ݸ ̸ ϴ , ϻ ߷ лǰų Ƿθ ִ" ߴ. Ȱ " ƴ 籸" Ư ʵ Բ ߴ. ¾ ߳ ȯ , Է پ ŭ 4 β Ҵ. ̴ ܼ ̿ ϰ ϴ ƴ϶, ' ̰ ڱ °' ٸ ߴ ش. ȭ ȭ Ϻ Ű ߴֿ δٴ ûߴ. Ʈ̳ Ƿ ൿ(ADHD) ȯó ʿ Ÿ ɷ Ư ģٴ ̴. " ̴ β ϰų Ŀ, κ ȴ" "̴ ȭ ܼ ƴ϶, Ȱ Ŀ 籸Ǵ ִ" ߴ. ̹ (Structural thickening of cortical layer 4 in human sensory cortex during aging: ȭ ΰ 4 β) 2025 8 м 'ó ȭ(Nature Aging)' ƴ.
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