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Fig. 8 | BMC Neuroscience

Fig. 8

From: Identification of environmental stressors and validation of light preference as a measure of anxiety in larval zebrafish

Fig. 8

Schematic summary of the findings presented in this study. (1) While the treatment with heat stress induced robust dark avoidance, it did not significantly influence the relative cortisol level. (2) By contrast, mechanical disturbance led to the highest rise of the relative cortisol level but did not bring about any change in the light/dark preference behavior. (3) The other three stressors, cold, UV light and social isolation, elicited consistent responses in the cortisol assay and the light/dark preference behavior: Cold and UV increased both dark avoidance and cortisol, whereas social isolation affected neither

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