Abstract

Beta-radiation can induce a bioelectric reaction in the compound eye of the insect. The electroretinogram is indistinguishable from that produced in response to a light stimulus. A difference exists between light and beta-radiation in the time course of the dark-adaptation process. It was demonstrated that the disparity depends upon the interaction of distal pigment with the light stimulus. An electroretinogram was elicited by a beta-radiation exposure dose of 0·25 mr at a radiation dose rate of 20 mr/sec.

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