Words similar to sleep-wake
Example sentences for: sleep-wake
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For both genotypes, delta power in both baseline and recovery from SD could be reliably predicted on the basis of sleep-wake history (Figure 1), which is underscored by the highly significant correlations between empirical and simulated data (r = 0.91 and 0.87 for cry1,2 +/+and cry1,2 -/-, respectively, P < 0.0001 for both genotypes).
We tested the assumption of a relationship between delta power and the sleep-wake history by using a mathematical method that predicts the level of EEG delta power occurring in individual NREMS bouts based on the 42 h sequence of 10-sec behavioral state scores for individual animals [ 10 ] . With this analytical tool, the time constants of the increasing delta power during wakefulness and its decrease during NREMS are estimated.
Changes in sleep drive are thus driven by the sleep-wake history.
Thus, in both nocturnal and diurnal species, per expression in the cortex is maximal in conjunction with the major waking episode [ 37 49 50 ] . Under conditions where the phase (methamphetamine administration, restricted feeding) or distribution (circadian splitting) of locomotor activity is altered, per expression in the cortex parallels the overt rhythm of wakefulness, whereas the circadian oscillation of per gene expression in the SCN remains unaffected [ 49 51 52 ] . Thus, in contrast to its role in the SCN, PER protein in the cortex is not a component of a self-sustaining circadian oscillator [ 53 ] . Instead, per expression in the cortex seems to the follow sleep-wake history, consistent with the hypothesis that it is related to homeostatic regulation of sleep.
Thus, in the absence of cryptochromes , NREMS delta power varied as a function of the prior sleep-wake history.
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