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Read p "Split Brain Revisited" answer Q's p. 44

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Presentation on theme: "Read p "Split Brain Revisited" answer Q's p. 44"— Presentation transcript:

1 Read p. 45 - 49 "Split Brain Revisited" answer Q's p. 44
AIM: What methods do psychologists use to study the brain? What has research revealed about brain lateralization? DO NOW: Summarize the different methods psychologists use to study the brain. HW: Read p "Split Brain Revisited" answer Q's p. 44 Study Test Tuesday Brain Study Guide Due p. 69 of packet

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3 Which face looks happier to you?

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5 Split Brain Research Touch on the left controlled processed by right hemisphere. Parietal lobe Somatosensory cortex

6 Sound waves enter the right ear and go to the left hemisphere, then the temporal lobe, and Wernicke area. *Contralateral (opposite sides) *speak to the right ear, sing to the left…..

7 Left visual field of both eyes goes to right brain
Right visual field of both eyes goes to left brain

8 Define: brain lateralization corpus callosum split brain epilepsy

9 The Two Hemispheres Two halves are NOT identical
Most have a dominant hemisphere – usually the left, which controls the right side of the body Both sides serve important functions, revealed by studying split-brain patients

10 Roger Sperry Michael Gazzaniga
conducted research on Brain Lateralization First work with cats in 1950’s

11 Experimental Setup 1st human patient in “WJ” patient received operation due to severe epilepsy. Use these devices to test the abilities of left versus right brain.

12 Split-Brain Epilepsy, seizures and the corpus callosum
Reduction in epileptic seizures Different abilities in each hemisphere The story of “Vicki” Michael Gazzaniga

13 Some Hemispheric Strengths
Left Hemisphere Language in most people: The cases of Ta of Charles Landry Logic Right side of body Right Hemisphere Perception Sense of self Inferences

14 Meet a Split Brain Patient

15 AIM: What has research revealed about brain lateralization
AIM: What has research revealed about brain lateralization? Where language is located in the brain? DO NOW: Take out your HW HW: Brain Test Wednesday . Brain Study Guide Due p. 69 of packet Add Brain map to guide( MC + FRQ - Know WHAT and WHERE!!!)

16 Brain Lateralization - Identify which "side" of your brain would dominate for each of the following questions. What is meant by the proverb "One today is worth two tomorrows."? Define the word charity. Tell me an English word that begins with R and ends with E. A zoo keeper has 3 geese and 4 mountain lions. How many feet are in the zoo? There is a profile of George Washington on a quarter which way does he face? How many corners are there in a solid cube? You are heading north. You make 2 right turns and then a left turn. Which direction are you heading in?

17 Left and Right Brain Functions

18 Testing the abilities of the left and right brain.
Look at the experiment. What does it reveal about the abilities of the left and right brains? Where is language located?

19 Look at the experiment. What does it reveal about the abilities of the left and right brains? Where is language located?

20 Look at the experiment. What does it reveal about the abilities of the left and right brains? Where is language located?

21 1. What would happen if you flashed a word to the LVF and you
Lets us see is we can tell what research reveals about the behavior of split brain patients... 1. What would happen if you flashed a word to the LVF and you asked the person to write the word? Say the word? 2. What would happen if patient is blindfolded and a familiar object is placed in their left hand and then you Asked what object is?

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23 to point to picture of what they saw? If asked to say what they saw?
Lets us see is we can tell what research reveals about the behavior of split brain patients... 3. Ask patient to look at “Split Face” (Woman/Man) on screen and focus in dot in middle if asked to point to picture of what they saw? If asked to say what they saw?

24 Split brain patient draws with right and left hand. What do you notice
Split brain patient draws with right and left hand. What do you notice? Why?

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26 SPLIT BRAIN EXPERIMENT

27 RSA Animate - The Divided Brai

28 HO: Left versus Right Brain. Which side are you on?
Limitations of this research? How can knowing this information be useful?

29 Check For Understanding
Complete p. 52 and 34


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