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. 2009 Mar 23;4(3):e4976. doi: 10.1371/journal.pone.0004976

Figure 3. Acute responses in multiunit electrical activity to NMDA application at CT15.

Figure 3

(A, B) NMDA application (10 µM) at CT 15 induced an increase in firing rate that was recorded by extracellular multiunit electrodes. The magnitude of the NMDA response is similar in slices from long and short day animals and in both photoperiods, a plateau was reached during the application. (C) The magnitude of the acute response to NMDA, measured as the relative increase in discharge rate, was not different between day lengths (p>0.3).