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  • Title: [Characteristics of the temporal resolution of signals in the visual analyzer in the rabbit].
    Author: Shostak VI, Stepanian EB.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1983; 33(3):529-34. PubMed ID: 6613345.
    Abstract:
    Biopotentials of the retina (ERG), optic tract, lateral geniculate body and visual cortex were recorded in response to repeated photostimulation within the range of 0.1 to 50 c/s and to paired flashes with an interval of 15 to 200 ms between them, to characterize summating and discriminating properties of the rabbit visual system in conditions of photopic and scotopic adaptation. A heterogeneity of studied structures was shown in their ability to temporal signals resolution, though quantitatively the differences were not great. It was found that in photopic conditions, with similar physiological intensity of the stimulus, temporal discrimination is much higher. The analysis of the experimental data showed that the ability to temporal resolution is due not so much to temporal summation processes, as to trace dynamics of excitability.
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