A foundational topic for the MCAT is the nervous system, appearing in several exam sections and impacting everything from neurotransmission to brain structure.

In this episode, Sam Smith walks us through the nervous system, covering its major components and functions. From the organization of the central and peripheral nervous systems to neurotransmitters and brain structures, Sam provides clear explanations to help you understand key topics like the autonomic nervous system's fight-or-flight response, brain imaging techniques, and more.

Visit medschoolcoach.com for more help with the MCAT.

Jump into the conversation:

(00:00) Intro

(01:03) How the central and peripheral nervous systems are organized

(02:33) Autonomic and somatic systems

(03:22) Sympathetic and parasympathetic branches

(04:12) How the brain is structured: forebrain, midbrain, and hindbrain

(11:44) How brain imaging techniques (CT, MRI, EEG, fMRI, PET) are used

(14:06) How neurons are structured and how they transmit signals

(16:00) How action potentials work and how ion channels play a role

(20:30) How myelin sheaths speed up signals

(25:00) How language processing happens in Broca's and Wernicke's areas

(28:00) Neurological disorders

(43:45) The structures of the limbic system

(47:25) The structures of the brain related to addiction

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