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Reaching Task in Rats: Quantitative Evaluation and Effects of 6-OHDA into the Striatum

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Abstract In this study, we developed an evaluation method using image analysis for reaching tasks. Using this method, we studied forearm function during the reaching task in rats that received… Click to show full abstract

Abstract In this study, we developed an evaluation method using image analysis for reaching tasks. Using this method, we studied forearm function during the reaching task in rats that received a unilateral injection of 6-OHDA into the striatum. The success ratio of the reaching task reduced to 40.5% seven days after the injection. In addition, significant changes were observed in the pronation angle of the forearm, posture control, and targeting (i.e., the distance between all fingertips and the center of the target pellet). Thus, unilateral injection of 6-OHDA reduces dopaminergic function in the brain and causes deterioration of forearm function and posture control in the reaching task.

Keywords: evaluation; task rats; rats quantitative; task; reaching task; ohda striatum

Journal Title: Journal of Motor Behavior
Year Published: 2022

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