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تعداد نتایج: 2888907 فیلتر نتایج به سال:
Frontal and parietal regions are associated with some of the most complex cognitive functions, and several frontoparietal resting-state networks can be observed in wakefulness. We used functional magnetic resonance imaging data acquired in polysomnographically validated wakefulness, light sleep, and slow-wave sleep to examine the hierarchical structure of a low-frequency functional brain networ...
OBJECTIVE To characterize the changes in brown adipose tissue (BAT) occurring during puberty in boys and girls. STUDY DESIGN We examined the prevalence and the volume of BAT at different stages of sexual development in 73 pediatric patients who underwent positron emission tomography (PET)/computed tomography (CT) studies. RESULTS Of the 73 patients studied, 43 (59%) had BAT depicted on PET/...
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