Brain waves are a repetition of a pause and an activity
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arXiv
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| Format: | Preprint |
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2022
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| _version_ | 1866916483699834880 |
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| author | Koyama, Chika |
| author_facet | Koyama, Chika |
| contents | Brain waves still cannot reliably distinguish between awake and asleep states. Here, I present new original indices, voltage subthreshold wave $τ$ and abovethreshold wave burst, for advanced LFP/EEG readings. Assuming that $τ$ is a microwave that fluctuates every sample such as the equipotential, the total number of $τ$ ($Nτ$) is inferred to be the maximum, and the amplitude of burst (Abst) is inferred to be the minimum. In fact, they invariably had a mean $τ$ duration ($Mτ$) of 2-3 sample intervals in any case. In addition, $τ$ and burst exhibited self-similarity for sample frequency while occupying approximately 30% and 70% of LFP in the natural state, respectively. Its threshold and Abst were correlated with the vigilance state and decreased to 70% by doubling the sample frequency. The dose of sevoflurane, which inhibits and synchronizes neural activity, was linearly correlated with decreases in the threshold and $Nτ$. Thus, $τ$ could reflect the uncertainty of the membrane potential. I propose that $τ$ and burst represent a pause and an activity such as the rhythm of the brain. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2205_08734 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Brain waves are a repetition of a pause and an activity Koyama, Chika Neurons and Cognition Brain waves still cannot reliably distinguish between awake and asleep states. Here, I present new original indices, voltage subthreshold wave $τ$ and abovethreshold wave burst, for advanced LFP/EEG readings. Assuming that $τ$ is a microwave that fluctuates every sample such as the equipotential, the total number of $τ$ ($Nτ$) is inferred to be the maximum, and the amplitude of burst (Abst) is inferred to be the minimum. In fact, they invariably had a mean $τ$ duration ($Mτ$) of 2-3 sample intervals in any case. In addition, $τ$ and burst exhibited self-similarity for sample frequency while occupying approximately 30% and 70% of LFP in the natural state, respectively. Its threshold and Abst were correlated with the vigilance state and decreased to 70% by doubling the sample frequency. The dose of sevoflurane, which inhibits and synchronizes neural activity, was linearly correlated with decreases in the threshold and $Nτ$. Thus, $τ$ could reflect the uncertainty of the membrane potential. I propose that $τ$ and burst represent a pause and an activity such as the rhythm of the brain. |
| title | Brain waves are a repetition of a pause and an activity |
| topic | Neurons and Cognition |
| url | https://arxiv.org/abs/2205.08734 |