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. 2014 Jan 3;256:412–425. doi: 10.1016/j.neuroscience.2013.10.041

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© 2013 The authors

This is an open access article under the CC BY NC ND license (https://creativecommons.org/licenses/by-nc-nd/3.0/).

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Fig. 6 — Effect of slice orientations on input density, synaptic coupling and SSE. Sagittal (n = 41; gray) and transverse slices (n = 25; black) were compared. (A) The fiber volley (FV) was about twice bigger for recordings in transverse slices. (B) The input density (measured as the FV amplitude over the beam section) was twice bigger in transverse slices. (C) In contrast, the fEPSP was about half smaller in transverse slices. (D) As a result of (A) and (C), the synaptic coupling (defined as fEPSP/FV) was nearly 4 times smaller in transverse slices. (E) The amplitude of the SSE (measured as the change in ΔF/F signals, at +8 s following the induction) was significantly higher when recorded in transverse slices.