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. 2022 Jun 7;13:871143. doi: 10.3389/fpsyg.2022.871143

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Copyright © 2022 Grassini, Segurini and Koivisto.

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) and the copyright owner(s) 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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The top of the figure presents the values of spectral power obtained averaging the values for the electrodes placed over the central brain area. The frequency (X-axis) and spectral power (Y-axis) for the three experimental conditions (neutral, nature, and urban videos). The bottom of the figure shows the results of ANOVA and t-tests on the differences between the conditions on the spectral power for each frequency from 2 to 30 Hz. The black color shows the frequency values in which the spectral power values were statistically different between the conditions.