BrainAndBehavior

BrainAndBehavior - THE BRAIN ABOUT 40 BILLION NERVE CELLS...

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Unformatted text preview: THE BRAIN ABOUT 40 BILLION NERVE CELLS THE CHEMISTRY OF THE SYNAPSE NEURONS RELEASE CHEMICALS,THAT CAN EXCITE OR INHIBIT, INTO THE SYNAPSE. MANIPULATIONS OF THE CHEMISTRY OF THE SYNAPSE CAN YIELD POSITIVE EFFECTS OR NEGATIVE EFFECTS. CORTEX CORTEX PROPORTION OF BRAIN COMMITTED TO CORTEX IS GREATEST IN HUMANS CORTEX, PROVIDES FOR PLASTICITY FISH WITH ADDED CORTEX SHOW GREATER PLASTICITY FOUR MAJOR AREAS OF CORTEX FRONTAL LOBES TEMPORAL LOBES OCCIPITAL LOBES PARIETAL LOBES SENSORY AREAS VISION, HEARING, TOUCH, TASTE ARE REPRESENTED IN AREAS OF CORTEX. NERVE CELLS IN EACH SENSORY AREA ARE ORGANIZED IN COLUMNS LANGUAGE AREAS BROCAS AREA: SPEECH PRODUCTION WERNIKES AREA: MEANING OF SPOKEN AND WRITTEN LANGUAGE ANGULAR GYRUS: READING AND WRITING. Right hemisphere Controls facial expressions of emotion Left side of face contains more emotional information More time looking at left side of face of others. Facial recognition left vs. right hemisphere Right: Focused on detection of patterns and organization. Left: Focused on detail analysis. Both hemispheres are usually involved mental processing BOTTOM LINE More cortex = more plasticity Sensory areas have cell column organization BOTTOM LINE Language areas: Brocas : speech sounds Wernickes : meaning Angular gyrus : reading and writing Left cortex = language, right cortex = face recognition and facial emotional cues BENEATH THE CORTEX...
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This note was uploaded on 02/01/2012 for the course PSY 3317 taught by Professor Basco during the Spring '10 term at UT Arlington.

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BrainAndBehavior - THE BRAIN ABOUT 40 BILLION NERVE CELLS...

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