Co-activated yet disconnected-Neural correlates of eye closures when trying to stay awake.
Neuroimage September 1, 2015 Ju Lynn Ong, Danyang Kong, Tiffany T Y Chia et al.
Spontaneous eye-closures that herald sleep onset become more frequent when we are sleep deprived. Although these are typically associated with decreased responsiveness to external stimuli, it is less clear what occurs in the brain at these transitions to drowsiness and light sleep. To investigate this, task-free fMRI of sleep-deprived participants was acquired. BOLD activity associated with...