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  • Title: [Effect of apomorphine injection into the nucleus accumbens on the limb preference in manipulation movements in rats].
    Author: Budilin SIu, Pasikova NV, Midzianovskaia IS, Ioffe ME.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 2008; 58(3):339-44. PubMed ID: 18689245.
    Abstract:
    The concentration of dophamine and its derivates is known to correlate with the degree of handedness in manipulative movements in rodents. In this work we studied a possibility to changing handedness in rats by injection of a dopamine agonist into the nucleus accumbens. Retrieving food from a horizontal tube was used to determine the limb preference (10 food retrievals by the preferred limb). Then apomorphine was injected into the n. accumbens ipsilateral to the preferred limb in the course of 7 days. The same volume of buffer solution was injected into the contralateral n. accumbens. Just after the last injection the limb preference was tested. It was shown that the chronic injection of the non-specific agonist of dophamine receptors significantly changed the limb preference.
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