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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: J Neurochem. 2011 Jul 1;118(4):571–580. doi: 10.1111/j.1471-4159.2011.07350.x

Figure 5.

Figure 5

Concentrations of glutamate and GABA decreased significantly below waking levels during sleep. Asterisks indicate a significant (p < 0.05) decrease compared to wakefulness. (a) The concentration of glutamate significantly decreased by 14.2% during NREM sleep and by 16.4% during REM sleep. (b) The concentration of GABA decreased significantly during NREM sleep (−11.0%) and REM sleep (−18.7%). There was no significant difference in concentrations of glutamate or GABA between NREM sleep and REM sleep.