Abstract
IT has been reliably demonstrated that rats can discriminate between the presence or absence of X-rays fc Responses with latencies of less than 0.2 sec have been observed on X-rays delivered at 0.05 r./sec, where the X-ray served as the conditioned stimulus. X-rays have also served as arousing stimuli, waking sleeping or drowsy animals within 2 sec of the onset of exposure. Since these responses have been observed in ophthalmectomized animals, they are not the result of the well-known, effect of ionizing radiation on the retina1–3.
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HULL, C., GARCIA, J., BUCHWALD, N. et al. Role of the Olfactory System in Arousal to X-ray. Nature 205, 627–628 (1965). https://doi.org/10.1038/205627a0
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DOI: https://doi.org/10.1038/205627a0
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