21 sept 2010

How Do Our Brains Work?

1.       What does the word "hemisphere" refer to when talking about the brain?
When you talk about hemispheres referring to brains, it talks about the sides of the brain, like the right hemisphere and left hemisphere.
2.       What are the major differences between the left and right sides of the brain?
There are many functions that both sides of the brain do, for example the left brain does reading skills, and right brain controls emotions and recognizing family. In general the left side does skills like reading writing, and remembering vocabulary, and the right brain stores experiences and feelings and your emotions.
3.      What is the corpus collasum?
It’s a tissue that connects the two hemispheres of your brain. It also functions as a way of communication for both hemispheres.
4.      Explain the study performed by Paul Broca in which he discovered "Broca's Area."
This study made Paul Broca famous, the discovery of Broca’s Area, this is a part of the front lobe that gives the human body the ability to talk, he discovered this part of the front lobe by studying the people that were incapable of talking.
5.      Explain the study conducted by Roger Sperry in regard to "split brain."
Roger Sperry discovered the different kind of functions of both hemispheres of the brain. There was no cure for a kind of epilepsy, just by surgery and cutting off the connection of the hemispheres (Corpus Callosum). When they cut this connection they studied their different behavior and the brain in general. This studies demonstrated that both parts of the brain are very different and that they both have very different jobs. For example the left hemisphere job is the analytical and verbal jobs, the right hemisphere takes care about music, space, and perception.
6.      Explain the study conducted by Karl Wernicke which led to the discovery of Wernicke's Area."
Wernicke’s Area is one of the parts of the “Cerebral Cortex”. The other part is the Broca’s Area, this area is responsible for audition, and speech. Wernicke saw that brain damage also caused language problems.
7.       Which lobe is most responsible for vision?
Right Hemisphere
8.       Which lobe is most responsible for hearing and language?
Left Hemisphere
9.       Which lobe is most responsible for performing math calculations?
Left Hemisphere
10.   Which lobe is most responsible for judgment, reasoning and impulse control?
The Frontal Lobe


 Works Cited:



-Rodrigo Estevez

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