1. Hemispheric Differences Module 8: The Brain

2. Hemispheric Differences “Left-brained” and “right-brained” debunked Brain is divided into two hemispheres but works as a single entity. Both sides continually communicate via the corpus callosum, except in those with split brains.

3. Hemispheric Differences: Language and Spatial Abilities Module 8: The Brain

4. The Brain’s Left Hemisphere For most people, language functions are in the left hemisphere. For a small percentage of people, language functions are in the right hemisphere.

5. Broca’s Area Located in the frontal lobe and usually in the left hemisphere Responsible for the muscle movements of speech If damaged the person can form the ideas but cannot express them as speech (stroke victims)

6. PET Scan of Broca’s Area

8. Wernicke’s Area Located in the temporal lobe Involved in language comprehension and expression; our ability to understand what is said to us Usually in the left temporal lobe

10. PET Scan of Wernicke’s Area

11. The Brain’s Right Hemisphere Houses the brain’s spatial abilities Our spatial ability allows us to perceive or organize things in a given space, judge distance, etc. Helps in making connections between words

12. Brain Plasticity Module 8: The Brain

13. Plasticity The ability of the brain tissue to take on new functions Greatest in childhood Important if parts of the brain are damaged or destroyed

14. Split brain patients Video Cut corpse callosum

17. hemispherectomy Video – united streaming

18. The End

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