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The Brain

The Brain. Early Studies. Dualism The mind survives the death of the body? Phrenology The bumps in your head Personalized Phrenology Map your head according to your interests. Studying the Brain. Accidents Phineas Gage . Studying the Brain. Electric Stimulation of specific areas EEG

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The Brain

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  1. The Brain

  2. Early Studies • Dualism • The mind survives the death of the body? • Phrenology • The bumps in your head • Personalized Phrenology • Map your head according to your interests

  3. Studying the Brain • Accidents • Phineas Gage

  4. Studying the Brain • Electric Stimulation of specific areas • EEG • Records the electrical activity of the brain

  5. Studying the Brain • Scanning CAT fMRI MRI PET

  6. PET PET- blue dye for function activity images

  7. MRI • MRI- uses radio waves to create detailed 3-D model • Picks up abnormalities

  8. fMRI fMRI- 3-D model of stimulus-specific response function

  9. CAT CAT- use radiation to create a 3-D model

  10. Parts of the Brain • Hindbrain • Life Center • Medulla- heart rate, blood pressure, breathing • Pons- regulating body movement, sleep • Cerebellum- balance and coordination • Midbrain • Awareness • Reticular Activating System- attention, sleep and arousal

  11. RAS Pons Cerebellum Medulla

  12. Parts of the Brain • Forebrain • Personality • Thalamus- Relay station for sensory stimulation • Limbic System- Emotion • Hypothalamus- Hunger, Thirst Motivation • Amygdala-Aggression, Rage, Passion • Hippocampus- Memory Formation • Cerebrum- Grey Matter…Full of Storage and interbrain connections, Unique • Cerebral Cortex- Crust of the Cerebrum…the wrinkles

  13. Cerebral Cortex Cerebrum Thalamus Hypothalamus Hippocampus Amygdala

  14. Cerebral Cortex • Divided into Halves, Lobes and Association Areas • Important to remember that there are “locations” of functions, but all are interrelated.

  15. Cerebral Cortex • Lobes • Frontal • Organization, problem solving, motor cortex, personality • Broca’s Area- Speech • Parietal • Sensory perception, sensory cortex • Temporal • Auditory understanding, balance • Wernicke’s Area- Language Comprehension • Occipital • Visual processing • Association Areas • Work to shape information to make it meaningful • Major force behind memory

  16. Cerebral Cortex • Halves • Corpus Callosum- band of fibers that connects the right and left side of the brains • Left Hemisphere • Language and logic • Controls right side of the body • Right Hemisphere • Artistic abilities, spatial intelligence • Controls left side of the body

  17. Cerebral Cortex • Halves • Right Hemisphere • Artistic abilities, spatial intelligence • Controls left side of the body

  18. Cerebral Cortex • Split Brain-No communication thru the corpus callosum

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