![]() And do some kind of movement with the arm that you want to doĪnd that actually makes the movement happen. And don't worry about the anatomy of this, but then they talk to lower motor neurons for example some lower motor neurons in the upper part of the spinal cord here that'll send information out, let's say to a muscle, muscles in the arm that'll tell the arm to Here in the cerebrum send their axons down through the cerebrum and the brain stem and they cross over. That plan movements and then to make those movements happen. Is developed up in areas of the cerebral hemisphere But in other videos weĬan go into more detail on how the motor plan The anatomy of this stuff for this introductoryĭiscussion of the cerebellum. How long they contract those muscles to do some kind of movement that you want to do. Strongly to contract those muscles and for "Motor Plan." And the motor plan involves which muscles need to contract and at what intensity and what duration, how And the first thing theĬerebellum needs to do is it needs to get informationĪbout the motor plan. Let me write three little marks here, and we'll quickly go over the three parts. Parts to how information travels into and out of theĬerebellum to let it do its job of coordinating movements. Like if you're trying to touch something with your finger, theĬerebellum plays a big role in your accuracy and your finger touching the object that you're shooting for. Really smooths out movements and it makes them more accurate. Other motor structures in the nervous system "Coordinates movement." And it's pretty neat how it does this, how it works with the Now the cerebellum does a number of different functionsīut probably the most obvious thing that it does And now we just see theīrain stem coming into the spinal cord down here, but we've cut off the spinal cord. And the cerebellum is alsoĭivided into hemispheres here would be the leftĬerebellar hemisphere and here is the rightĬerebellar hemisphere. So now we can't see much of the brain stem because the cerebellum is covering it up. More of the cerebellum because it's behind the brain stem. But if we come over here to the back, we're looking at the back of the brain, The cerebrum is on top, here would be the left cerebral hemisphere and here would be the right cerebral hemisphere. Let me just color that in hereĪnd you can't see it that well from the front because Then behind the brain stem and below the cerebrum is the cerebellum. Underneath that connecting to the spinal cord and Over here from the front, we have the cerebrum on top, with the right and the I'm going to talk about the cerebellum, "Cerebellum." Which sounds a lot like the cerebrum but it's a different part of the brain.
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