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Miniature potentials, light adaptation and afterpotentials in locust retinula cells

Tsukahara, Y.; Horridge, George Adrian


SUMMARY In dark-adapted retinula cells of the locust, the miniature potentials or bumps have amplitudes of 3-7 mV when recorded in the dark-adapted state with bevelled electrodes at very low light levels. For a sample of N = 378 they had a mean amplitude of 4*55 mV and s.D. 1-59 mV. These are called dark-adapted bumps, and their distribution of amplitudes is presumably a component of the noise of the visual signal in addition to the irregularity of occurrence of bumps. The afterpotential which...[Show more]

CollectionsANU Research Publications
Date published: 1977
Type: Journal article
Source: Journal of Experimental Biology
Access Rights: Open Access


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