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. 2008 Jul 16;3(7):e2725. doi: 10.1371/journal.pone.0002725

Figure 1. Fast network oscillations are bigger and faster in infralimbic cortex compared to prelimbic cortex.

Figure 1

(A) Picture of coronal slice containing medial prefrontal areas prelimbic cortex (PrL) and infralimbic cortex (IL). From The Rat Brain in Stereotaxtic Coordinates by G. Paxinos and C. Watson, 2005. (B) Slice placed on 8×8 multielectrode array. (C) Simultaneous recorded field potentials in prelimbic (top) and infralimbic (bottom) cortex before (left) and after (right) induction of fast network oscillations by carbachol. Bandpass-filtered traces in darker colors. (D) Power spectrum of recordings in (C). (E) Frequency of oscillations in prelimbic and infralimbic cortex (n = 12, p = 0.02). (F) Oscillation power (taken as area between 5–35 Hz from power spectrum) (n = 15, p = 0.02). (G) Oscillation power in prelimbic cortex as percentage of power in infralimbic cortex (n = 15, p<0.01).