Po-Yu Liu1, Yu-Chin Wu2, Changwei
Wesley Wu3, Chia-Ju Chen4, Ching-Po Lin1
1Department of Biomedical Imaging and
Radiological Sciences, National Yang-Ming University, Taipei, Taiwan; 2Institute
of Nuclear Engineering and Science, National Tsing-Hua University, Hsinchu,
Taiwan; 3Department of Electrical Engineering, National Taiwan
University, Taipei, Taiwan; 4Department of Medical Imaging and
Radiological Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan
Sleep
usually refreshes our daily fatigue and rejuvenates our body, which is
achieved due to physiological alterations in the sensorimotor network.
However, the detailed mechanism of sleep under the brain circuit level
remains unclear. To disclose the sleep effects on the sensorimotor system,
the functional connectivity in bilateral primary motor cortex (M1) and
supplementary motor area (SMA) were compared between Pre- and Post-sleep
conditions using the resting-state fMRI. Results showed that connectivity
strengths between motor areas were significantly decreased after sleep,
implying a relaxing effect after an effective sleep.