Figure 2From: Sleep deprivation leads to a loss of functional connectivity in frontal brain regionsSchematic depiction of the protocol. After a night of normal sleep or total sleep deprivation (verified with actigraphy and sleep diary), subjects underwent a protocol of repeated resting-state (RS) measurements using high-density 61-channel EEG. Each RS block consisted of 4 alternating 1-minute eyes-open (EO) or eyes-closed (EC) measurements.Back to article page