How do upper and lower motor neurons differ?

Video transcript

Hey, everyone. Let's take a look at this question together. Where do the upper neurons originate? Is it answer choice. A the spinal cord, answer choice B the brain stem, answer choice C the cerebral cortex or answer choice D the hypothalamus, let's work this problem out together to try to figure out which of the following answer, choices is the area where the upper neurons originate. So in order to solve this question, we have to recall what we have learned about the upper neurons specifically where the upper neurons originate to determine which of the following answer. Choices is the correct answer. And we can recall that the upper motor neurons originate in the motor cortex. X more specifically in the cerebral cortex. And the upper motor neurons are responsible for transmitting signals that modulate and influence the activity of the lower motor neurons, which those lower motor neurons are found in the spinal cord or the brain stem. So looking at our answer choices, we know we can eliminate answer choice A and answer choice. B since both the spinal cord and the brain stem are where the lower motor neurons originate, and we can select answer choice C as the correct answer since the cerebral cortex which contains the motor cortex is where those upper motor neurons originate. So answer choice C is the only correct answer. Choice. I hope you found this video to be helpful. Thank you and goodbye.