PSY 2301 Lecture Notes - Lecture 3: Cranial Nerves, Blood Vessel, Meninges
14 Nov 2018
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A note about the disorders (mostly in chapter clinical boxes) Take 1-2 points of meaning from each one. Know these three things about the diseases/disorders. Produces sensory, motor and or cognitive deficits. Surface features of the brain (review of arteries) Meninges, cerebrum, cerebellum, brainstem, cranial nerves, arteries. Note, name describes where the root is, not where the branches go. They travel over surface then dive/ burrow in. All tissue in body must be within mm of a blood vessel. When brain tissue deprived of blood flow, it dies = stroke. Nature of stroke depends on which artery was blocked. Modulate what the neuron is doing, chemically. Similar neurons are clustered together (as nuclei) Nucleus = a group of neurons that do the same thing. Neurons are connected by fibers called axons. In the cns, collections of fibers are called tracts. Nerves in the rest of the body. Shorter in the brain than the body.
