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. 2014 Aug 5;5:96. doi: 10.3389/fpsyt.2014.00096

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Copyright © 2014 Sivarao, Chen, Yang, Li, Pieschl and Ahlijanian.

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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Overlay of difference waves after vehicle or ketamine approximately 10 min after treatment. A consistent pattern of negativity is apparent after vehicle but not after ketamine.