anarezai: Our Brain

1. 1.What does the word "hemisphere" refer to when talking about the brain?

- The cerebral hemispheres of the brain are the right and left hemispheres in your brain.

2. What are the major differences between the left and right sides of the brain?

- The right side of the brain controls many things like muscle movement in the left side of your body while the left side of the brain controls the right side of muscles in your body. For example damage on one side of the brain would affect the opposite side of the body.

3. What is the corpus callosum?

- The corpus callosum is what connects the left and right side of the brain. It is made up of thick bands of fibers.

4. Explain the study performed by Paul Broca in which he discovered "Broca's Area."

- Paul Broca first discovered the “Brocas Area” when studying the brain of one of his patients with speech impairment after their death. Brocas area is the part of the brain, which is responsible for language processing, speech production, and language comprehension, and also controls facial neurons. He discovered that it was located in the left hemisphere.

5. Explain the study conducted by Roger Sperry in regard to "split brain."

-Split Brain was a study and a surgery made on epileptic people in the old times, since there was no other cure. It included cutting the corpus callosum of the brain and letting the two sides spread.

6. Explain the study conducted by Karl Wernicke which led to the discovery of Wernicke's Area."

-Wernickes area is a study that helped discover the region of the brain for language development. It is a language loop that is found in the left hemisphere. And is used for understanding and producing spoken language.

7. Which lobe is most responsible for vision?

-The occipital lobe is our primary lobe responsible for vision.

8. Which lobe is most responsible for hearing and language?

The temporal lobe is responsible for hearing and language.

9. Which lobe is most responsible for performing math calculations?

The frontal lobe is responsible for math calculations.

10. Which lobe is most responsible for judgment, reasoning and impulse control?

The frontal lobe is responsible for judgment, reasoning and impulse control.

http://faculty.washington.edu/chudler/split.html

http://biology.about.com/library/organs/brain/blcorpus.htm

http://www.wisegeek.com/what-is-brocas-area.htm

http://psychology.about.com/od/windex/g/def_wernickesar.htm