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\usepackage[font=footnotesize,labelfont=bf]{caption} 

\begin{figure}
\centering
\includegraphics[width=\linewidth]{GFX/HippocampusOV}
\caption[The hippocampal formation in mammals]{The hippocampus forms a principally unidirectional network with input from the axons of the entorhinal cortex connected to the granule cells of the dentate gyrus and CA3 neurons via the perforant path (lateral and medial; pp). Dendrites of CA3 neurons receive input from the DG via mossy fibers (mf) and project their axons to the CA1 region (Schaffer collateral pathway; sc) as well as to CA3 neurons of the contralateral hippocampus (associational commissural pathway). CA1 neurons receive direct input from the perforant path and project their axons to the subiculum, where output is sent back to the entorhinal cortex. (Bruce MacIver lab, Stanford University)}
\label{fig:HippocampusOV}
\end{figure}

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