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. 2022 May 30;36(7):781–793. doi: 10.1177/02698811221092508

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© The Author(s) 2022

This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 3. — Parvalbuminergic interneurons are the main drivers of gamma oscillatory activity: (a) frequency distribution of oscillatory power induced by stimulation of parvalbumin-positive interneurons (PV INT), but not PYR neurons, shows an increase in gamma power and (b) duration of spontaneously occurring gamma waves is prolonged by optogenetic stimulation of PV INs with blue light (crooked arrow; **p < 0.01).

Adapted with permission from Cardin et al. (2009).

LFP: local field potentials; FS: fast-spiking; RS: regularly spiking; PYR: pyramidal neuron.