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Figure 6


Fig. 6. Analysis of the effect of cobalt chloride on electroretinogram (ERG) responses. (A) ERG waveforms at increasing intensities recorded from a cobalt-treated fish (intraocular injection of cobalt chloride, intraocular concentration of 0.275 mmol l–1). (B) Comparison of ERG waveforms from cobalt chloride-injected fish (upper trace) and the control (lower trace). (C) Response versus intensity based on ERG data taken from a cobalt chloride-injected fish and a control fish. The cobalt-injected fish show a lower slope in the dynamic range resulting in a difference in the interpolated threshold intensity.





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