The sleep cycle modelled as a cortical phase transition.

@article{SteynRoss2005TheSC,
  title={The sleep cycle modelled as a cortical phase transition.},
  author={D. Alistair Steyn-Ross and Moira L. Steyn-Ross and James Wallace Sleigh and Marcus T. Wilson and I. P. Gillies and J. J. Wright},
  journal={Journal of biological physics},
  year={2005},
  volume={31 3-4},
  pages={547-69}
}
We present a mean-field model of the cortex that attempts to describe the gross changes in brain electrical activity for the cycles of natural sleep. We incorporate within the model two major sleep modulatory effects: slow changes in both synaptic efficiency and in neuron resting voltage caused by the ∼90-min cycling in acetylcholine, together with even slower changes in resting voltage caused by gradual elimination during sleep of somnogens (fatigue agents) such as adenosine. We argue that the… CONTINUE READING

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