One theory is that an area of the brain, near the visual pathway, the suprachiasmatic nucleus responds to light by sending out a signal to suppress the secretion of a hormone called melatonin.
One theory is that an area of the brain, near the visual pathway, the suprachiasmatic nucleus responds to light by sending out a signal to suppress the secretion of a hormone called melatonin.
一种理论认为大脑主导光线通路附近的某一区域――视交叉上核――受光线影响发出信号，抑制褪黑素的分泌。