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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Biol Psychiatry Cogn Neurosci Neuroimaging. 2020 Feb 22;5(6):562–568. doi: 10.1016/j.bpsc.2020.02.004

Figure 1.

Figure 1.

Aperiodic and periodic features – effects of acute MEM. SZ is characterized by steeper aperiodic slopes relative to NCS, indicative of greater power at lower frequencies. PSD are presented in log-log space; color-coded region represent canonical frequency bands as follows: theta (dark grey, 4–8 Hz), alpha (blue, 8–12 Hz), beta (light blue, 12–30 Hz), gamma (light grey, 30–50 Hz) (a). Acute dose of MEM 20 mg had a “normalizing” effect on aperiodic slopes (b). The “memantine effect” was more pronounced at gamma frequencies (c). Data are presented as mean ± SEM. Note: **p < .01, *p < .05.