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Brain Anatomy and Simply Physiology

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1 Brain Anatomy and Simply Physiology
There are three major sections of the brain… Dienchephalon Cerebellum Brainstem

2 Today’s Focus: The Cerebrum
The Cerebrum is: 1. The largest 2. Two hemispheres 3. Includes key feature… the Corpus Collosum - 4. Defined by Convolutions (or gyri) - 5. Falx Cerebri -

3 Posterior Anterior PARIETAL LOBE FRONTAL LOBE OCCIPITAL LOBE TEMPORAL
INSULA Posterior Anterior OCCIPITAL LOBE TEMPORAL LOBE

4 CEREBRAL CORTEX 75% of all neuron bodies
Grey Matter Surrounding White Matter (sort of) – white matter is myelinated (crosses hemispheres and to motor neurons Higher brain function

5 Motor Areas! Central Sulcus Broca – Speech Longitudinal Fissure
Course Fine Sulcus – shallow groove Fissure – Deep Groove Transverse Fissure Motor Areas! Broca – Speech

6 Touch/Temperature Eyes, ears, memory Sensory Areas

7 Association Areas! Behavioral Consequences
Emotions, IQ, Rationale, Feelings Wernicke’s area – The Captain – complex thought/ integration Behavioral Consequences Association Areas!

8 Basal Ganglia – Neurotransmitter production!! Dopamine!!
Thalamus/amygdala – diencephalon area (next set of notes…

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