In this episode of the Jack Westin MCAT Podcast, Mike and Molly continue their MCAT brain anatomy series by tackling one of the most underrated topics on the exam: how the brain actually makes you move.
If youāve ever thought āwhy are there so many brain parts just for movement?ā this episode is your roadmap.
Youāll learn:
š§ Motor cortex basics ā where voluntary movement starts and why it lives in the frontal lobe
š¦ Basal ganglia as the gatekeeper ā suppression vs initiation of movement, not just āon/offā
š Dopamine & Parkinsonās ā substantia nigra, why dopamine loss causes bradykinesia, and why L-Dopa (not dopamine) works
š Huntingtonās disease ā when the problem isnāt too little movement, but too much
šÆ Cerebellum & coordination ā balance, smooth movements, and why alcohol messes it up
š How these brain regions connect to motor neurons, muscle contraction, and earlier muscle episodes
š MCAT-style takeaways ā what the test actually expects you to recognize in passages and questions
Youāll also hear:
How to think about initiation ā coordination ā execution of movement in a simple, testable way
How to use real life (walking, writing, sports, feeling off-balance, being sleepy) as built-in āflashcardsā for MCAT physics, bio, and psych/soc
If motor cortex vs basal ganglia vs cerebellum all blur together for you, this episode will finally separate them in your head.
Want to learn more? Shoot us a text at 415-855-4435 or email us at
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