Abstract
The visually driven instrumental conditioning of a single monkey (Macaca mulatta) was conducted after single-dose cranial irradiation with high-energy protons. The monkey executed saccades toward the visual stimuli and then responded by manually pressing right or left lever for stimuli in right or left half-field, respectively. The percentage of correct responses with dominant right hand exceeded the percentage of such responses with left hand and temporarily decreased two months after irradiation. A month later, the percentage of correct right-hand responses returned to the level before irradiation. No significant dynamic was found for changes in percentage of correct left-hand responses. The proton irradiation effect on right-hand responses suggests possible short-term disturbances in the eye-hand coordination for right handedness while the visual perception remains unaffected.
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Funding
The study was carried out with the financial support of the Russian Foundation for Basic Research (grant nos. 17-29-01027 ofi_m, 17-29-01028 ofi_m).
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Statement on the welfare of animals. All manipulations with the animal were performed in accordance with the requirements of the Directive of the European Parliament and the Council of the European Union Council of the European Community (2010/63 / EU) on the use of animals for experimental research.
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Latanov, A.V., Tereschenko, L.V. & Ostrovsky, M.A. Influence of Cranial Irradiation with High-Energy Protons on the Visuomotor Behavior in Monkeys. Dokl Biol Sci 487, 95–97 (2019). https://doi.org/10.1134/S0012496619040069
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DOI: https://doi.org/10.1134/S0012496619040069