Journal
PHYSICAL REVIEW LETTERS
Volume 98, Issue 17, Pages -Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.98.178102
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Funding
- NIMH NIH HHS [K02 MH001493, R01 MH050006-14, R01 MH050006, K02MH01493, K02 MH001493-09, R01MH50006] Funding Source: Medline
- NINDS NIH HHS [R01 NS036447, R01 NS036447-07, R01NS036447] Funding Source: Medline
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The spatiotemporal structure of brain oscillations are important in understanding neural function. We analyze oscillatory episodes from isotropic preparations from the middle layers of a mammalian cortex which display irregular and chaotic spatiotemporal wave activity, within which spontaneously emerge spiral and plane waves. The dimensionality of these dynamics shows a consistent decrease during the middle of these episodes, regardless of the presence of simple spiral or plane waves. It is important to define the relevant biological order parameters which govern these dynamical bifurcations.
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