Biology · Human Physiology
The term 'glymphatic system', in the context of sleep deprivation, refers to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A cerebrovascular reflex that increases cerebral blood flow to compensate for reduced attention during wakefulness.
- 2A brain-wide waste-clearance pathway that removes metabolic by-products during deep non-REM (slow-wave) sleep.✓
- 3A hormonal feedback loop involving cortisol and melatonin that synchronises sleep-wake cycles with light exposure.
- 4A neural circuit in the prefrontal cortex that regulates circadian rhythms and decision-making under sleep loss.
Correct answer
A brain-wide waste-clearance pathway that removes metabolic by-products during deep non-REM (slow-wave) sleep.
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