Chronic social defeat stress causes sleep fragmentation by increasing VTA dopaminergic activity, reducing sleep spindle density and disrupting NREM sleep in mice.
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Sleep and Wakefulness Research
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Slow-wave sleep engages a PZ GABAergic to LPB CGRP to ovBNST Crh circuit that prevents stress-induced anxiety in mice.
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Latest in Sleep and Wakefulness Research
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Sleep enhances context memory in toddlers aged 2-3 years, with significant improvements observed only after post-familiarization sleep.
- Open access
Lack of the circadian photoreceptor cryptochrome (CRY) leads to increased sleep under short winter-like days in fruit flies, resembling winter hypersomnolence in SAD.
- Open access
Chronic social defeat stress causes sleep fragmentation by increasing VTA dopaminergic activity, reducing sleep spindle density and disrupting NREM sleep in mice.
- 2 cites
Slow-wave sleep engages a PZ GABAergic to LPB CGRP to ovBNST Crh circuit that prevents stress-induced anxiety in mice.
- 1 cites
Deletion of tyrosine hydroxylase in approximately 25% of substantia nigra dopamine neurons significantly suppresses food-anticipatory locomotion in mice.
Long-range Sst-Chodl inhibitory neurons in the neocortex actively promote sleep and synchronized cortical activity, especially during low-arousal states, in mice.
- Open access
Reorganization of ACC-CA1 communication after learning involves weakening of ACC-to-CA1 signaling during sleep, especially affecting superficial CA1 neurons.
- Open access
Disrupting activity in a specific subset of dopaminergic neurons during memory consolidation impairs long-term memory by causing sleep fragmentation in Drosophila melanogaster.
- Open access
Silencing cortical layer 6b in mice reduces EEG power and slows brain oscillations during wake and REM sleep, highlighting its role in brain state regulation.
- Open access
Prefrontal cortical high-frequency oscillation chains during REM sleep orchestrate unique hippocampal-cortical reactivation patterns, differing from NREM sleep by significant temporal organization.
- Open access
Locus coeruleus activity inversely correlates with hippocampal ripples during offline states, with LC firing decreasing 1-2 seconds before ripple onset in rats.
- Open access
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Topics moving, week to 23 Oct 2026
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- Alzheimer's disease research and treatments3
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