Brain Anatomy and Simply Physiology

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Presentation transcript:

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

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 -

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

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

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

Touch/Temperature Eyes, ears, memory Sensory Areas

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

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

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