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. 2015 Apr 28;3(1):cov018. doi: 10.1093/conphys/cov018

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© The Author 2015. Published by Oxford University Press and the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2: — (a) Relative lateralization index (L_r) of fish after 40 days of treatment. (I) L_r in control fish exposed to 442 μatm CO₂; n = 12. (II) L_r in the CO₂ group exposed to 992 μatm CO₂ (n = 13). Comparison among groups was analysed with the F-test. (b) Absolute lateralization index after 40 days of treatment, revealing loss of lateralization after high-CO₂ treatment. Carbon dioxide had significant effects on absolute lateralization (Student's two-tailed t-test, P = 0.034). Values are means ± SEM.