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. 2021 Jun 14;376(1830):20200224. doi: 10.1098/rstb.2020.0224

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© 2021 The Author(s)

Published by the Royal Society. All rights reserved.

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Figure 4. — (a) Channels displaying statistically significant (p < 0.05) group average [HbO] changes during right vibrissal stimulation are indicated by red dots. The optical array is visualized over the head of a juvenile grey seal to provide anatomical perspective of regional activation. (b) Corresponding group average (lines) and standard error (ribbons) changes in [HbO], [HbR] and [HbT] over 15 s of right vibrissal stimulation (shaded grey area) followed by 15 s of no left vibrissal stimulation (white area). Strong colours represent a significant (p < 0.05) change in [HbO] and where [HbO] and [HbR] were negatively correlated.