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. 1982 Feb 7;30(6):495-501.
doi: 10.1016/0024-3205(82)90262-4.

Loss of eye movements abolishes light entrainment of circadian mesolimbic catecholamine excitability: a function for REM?

J R Stevens, A A Livermore Jr, J Fellman

Loss of eye movements abolishes light entrainment of circadian mesolimbic catecholamine excitability: a function for REM?

J R Stevens et al. Life Sci. .

Abstract

Light entrainment of the circadian rhythm of mesolimbic dopamine excitability, measured by the amphetamine-induced locomotor response, and the circadian feeding rhythm was abolished following section of the extraocular muscles of the rat. Endogenous (free-running) circadian rhythms were preserved. The results are consistent with electrophysiologic evidence that the rapid eye movements during paradoxical sleep transmit light-modulated electrical potentials to regions of the brain that influence circadian rhythms and dopamine release.

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