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Neurosci Res. 2009 Jun;64(2):240-2. doi: 10.1016/j.neures.2009.02.006. Epub 2009 Feb 25.

Laterality of neocortical slow-wave oscillations in anesthetized mice.

Author information

1
Laboratory of Chemical Pharmacology, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo 113-0033, Japan.

Abstract

In the slow-wave (SW) state, the vast majority of cortical neurons exhibit mostly synchronized oscillatory activity. In this study, we examined the right-left hemispheric difference in slow-wave timings in urethane-anesthetized mice. We found that interhemispheric cross-correlograms of local field potentials (LFPs) peaked asymmetrically. Double in vivo whole-cell patch-clamp recordings also revealed the interhemispheric temporal disparity of slow wave-relevant synaptic barrages. The data suggest the hemispheric laterality in the slow wave origin.

PMID:
19428706
DOI:
10.1016/j.neures.2009.02.006
[Indexed for MEDLINE]

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