Moll L, Kuypers H G
Science. 1977 Oct 21;198(4314):317-9. doi: 10.1126/science.410103.
In rhesus monkeys (Macaca mulatta), ablation of the premotor and supplementary motor areas and the adjoining rostral half of the precentral gyrus impairs the capacity of the contralateral arm to reach around a transparent obstacle to a visible food reward, and results in a tendency of this arm to reach around a transparent obstacle to a visible food reward, and results in a tendency of this arm to reach straight to where the food is visible. This may reflect a disinhibition of brainstem pathways which steer the arm and hand straight ot a visual target.
在恒河猴（猕猴）中，损毁运动前区和辅助运动区以及中央前回相邻的嘴侧半区，会损害对侧手臂绕过透明障碍物获取可见食物奖励的能力，并导致该手臂倾向于直接伸向食物可见的位置。这可能反映了对引导手臂和手部直接指向视觉目标的脑干通路的去抑制作用。
