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. 2014 Mar 11;8:15. doi: 10.3389/fncir.2014.00015

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Copyright © 2014 Watkins, Kao and Kanold.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Sample synaptic current traces from area photostimulated further from the soma show patchy connectivity. (A) Sample inward currents (>8 ms latency) are EPSCs indicating excitatory synaptic connectivity (top). Map of inward current charges shown at different photostimulation locations shows patchiness of excitatory inputs at locations further away from soma (bottom). (B) Sample outward currents (>8 ms latency) are IPSCs indicating inhibitory synaptic connectivity (top). Map of outward current charges shown at different photostimulation locations show rounder extent of inhibitory inputs but are also patchy at locations further away from soma (bottom).