Ketamine and other compounds with fast-acting antidepressant activity increase the frequency of gamma waves on an electroencephalogram (EEG). The structure of ketamine is from PubChem. The image of the person making an EEG recording is by Baburov [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)], from Wikimedia Commons. The gamma wave graph is from Wikipedia. Compilation by Nancy R. Gough, BioSerendipity.
Read more:
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N. R. Gough, Discovering fast-acting treatments for depression. BioSerendipity (11 January 2019) https://www.bioserendipity.com/discovering-fast-acting-treatments-for-depression/.
N. R. Gough, Neuron and Glia Remodeling Contribute to Male Behavior. BioSerendipity (2 March 2019)
https://www.bioserendipity.com/neuron-and-glia-remodeling-contribute-to-male-behavior/.
N. R. Gough, Giving Mice Artificial Memories to Discover Clues to Depression. BioSerendipity (3 December 2018) https://www.bioserendipity.com/clues-to-depression/.