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. 2021 Oct 18;19(10):1640–1660. doi: 10.2174/1570159X18666200818194948

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© 2021 Bentham Science Publishers

This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

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Fig. (1) — Effects of pharmacological treatments on the different phases of AHN A schematic representation showing the stimulatory effects of the most widely used psychoactive drugs on the different phases of AHN. Based on the number of publications showing drug efficacy, values are reported as high (), medium (), low () and not effective (-). High () refers to many papers, medium () to several papers, low () to few papers and (-) refers to no papers. Citations supporting our criteria are also included. (A higher resolution / colour version of this figure is available in the electronic copy of the article).