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. Author manuscript; available in PMC: 2016 May 24.
Published in final edited form as: J Neurophysiol. 2010 Mar 10;103(5):2728–2736. doi: 10.1152/jn.00862.2009

FIG. 2.

FIG. 2

A: early (*) and late (**) FRs induced by 4AP recorded in PC, l-EC, CA1, and m-EC. In both cases, the fast activity propagates from the PC to the m-EC. B: expansions of early FRs and late FRs in all the recorded structures and relative joint time-frequency analysis. Note that early FRs are mainly characterized by frequency around 20 Hz, whereas in the late FRs, peak frequency was higher than 30 Hz. With the joint time-frequency analysis it is possible to follow the spread of FR from PC to m-EC. C: average of 6 early and late FRs recorded in PC.