Lecture on September 17th: Major Divisions of the Brain

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Department
Psychology & Brain Sciences
Course
PSYCH 330
Professor
Lori Astheimer Best
Semester
Fall

Description
Behavioral Neuroscience, Lecture on September 17th Major Divisions of the Brain Telencephalon (cerebral hemisphere) forebrain  higher order functions take place.  gyri (hill) and sulci (valley) - ridges and valley's on the brain. o really deep sulci are called fissures. o one major fissure called the longitudinal fissure divides the brain into two hemispheres.  two subsystems, basal ganglia - important for movement and motor control and the limbic system - important for emotions and memory (hippocampus) Diencephalon (thalamus and hypothalamus) forebrain  thalamus serves as a sensory relay, incoming sensory information synapses here then sent on to the cerebrum.  hypothalamus helps to maintain homeostasis, controls the endocrine system (hunger, thirst and reproduction). Mesencephalon (midbrain) midbrain  top of the brainstem.  midbrain has both sensory and motor divisions.  important for motor control.  receives sensory signals for vision.  heavily affected by Parkinson's. Metencephal
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