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@thandrillon | |||||
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I am very happy to share this paper w/ @SidKouider for Current Op in Physiology @ELSneuroscience doi.org/10.1016/j.coph…
authors.elsevier.com/a/1aMPT8nMlta8… (free)
We review the physiological mechanisms allowing sleepers to either block sensory inputs or to process them without waking up. pic.twitter.com/nIiRcl1eym
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Thomas Andrillon
@thandrillon
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15. sij |
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We show, in particular, the limitations of the influential *thalamic gating* hypothesis proposed 25 years ago. We outline additional and potentially more preponderant mechanisms of sensory decoupling: pic.twitter.com/EfRaA6sSoU
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Thomas Andrillon
@thandrillon
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15. sij |
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1/ In NREM sleep, there is growing evidence that neuronal bistability could induce a form of *cortical gating*, preventing sensory information to spread throughout the cortex. pic.twitter.com/9JvGnSG33b
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Thomas Andrillon
@thandrillon
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15. sij |
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2/ In REM, sensory information coming from within (the stuff that dreams are made on?) could block external information (*informational gating*). Ultimately, very different mechanisms occurring in disparate phys. states could result in the same outcome: the preservation of sleep. pic.twitter.com/ke7rp5Xu71
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Thomas Andrillon
@thandrillon
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15. sij |
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But the brain can still complexly process sounds during sleep! *Local sleep* (part of the brain sleeping less deeply or waking up) could support the confined processing of auditory information, allowing the fine monitoring of the environment without triggering a global awakening.
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Thomas Andrillon
@thandrillon
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15. sij |
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Such local intrusions of wake during sleep is the reversed phenomenon of the local intrusions of sleep during wake that we discussed last year:
twitter.com/thandrillon/st…
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Thomas Andrillon
@thandrillon
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15. sij |
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This review is part of a special issue on the Physiology of Sleep edited by @VVyazovskiy & Prof Jenny Morton. Thanks to @HFSP, @nhmrc, @turnerinstitute and @Mon_Bio_Imaging for their support. And @Cognition_ENS where I conducted this research under the supervision of @SidKouider!
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