1.REFLECTION QUESTIONS: Are you left-brained or right-brained? What does this mean? How do you know?
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1. REFLECTION QUESTIONS: Are you left-brained or right-brained? What does this mean? How do you know?
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Transcript of 1.REFLECTION QUESTIONS: Are you left-brained or right-brained? What does this mean? How do you know?
1. REFLECTION QUESTIONS:
Are you left-brained or right-brained?
What does this mean?
How do you know?
LEFT OR RIGHT-BRAINED?
*Handout: Which one “speaks” to you? Why?
*Are You “Left-Brained” or “Right-Brained”? Inventory
*Wagner Preference Inventory
Are these inventories actually measuring brain-based
differences or stereotypes?
What do we know?
SOME PEOPL
E ARE LE
FT-
BRAINED, O
THERS A
RE
RIGHT-B
RAINED
MY
TH
#4
2. EXAGGERATION OF A KERNEL OF TRUTH
Are some people “left-brained” and others “right-brained?”
Good evidence that two sides of brain differ in their functions.
• Injury
• Brain imaging techniques = differences in activity when doing cognitive tasks
RIGHT HEMISPHERE DAMAGE (IGNORES LEFT)
DEMONSTRAT
ION
* HA
VE
A P
EN
/ PE
NC
I L I
N B
OT
H H
AN
DS
“SPLIT-BRAIN PATIENTS”: RESEARCHERS
Roger Sperry Michael Gazzaniga
5. CORPUS CALLOSUM
LONGITUDINAL FISSURE (LONG)
RESEARCH
Evidence for superiority of one or other hemisphere for performing certain tasks:
“Split brain” patients
6.Epileptic seizures
Sever nerve tracts connecting left/right hemispheres
SCIENTIFIC AMERICAN FRONTIERS #7
http://www.youtube.com/watch?v=lfGwsAdS9Dc
CORPUS CALLOSUM…YOUR INFORMATION HIGHWAY
• 2 hemispheres share information extensively
• Two hemispheres are much more similar than different in their functions
• “Pop-psychology’s” take… too simplistic
10. LEFT IS PROCESSED BY RIGHT. RIGHT IS PROCESSED BY THE LEFT.
11. The Optic Chiasm is the region for cross-over.
12. Visual Cortex – at the back.
WHAT DO YOU SEE?
WHAT ABOUT THE SNOWMAN SCENE?
13: MULTIPLE CHOICE QUESTION
A word “key” is briefly flashed in the left visual field and the word “ring” is briefly flashed to the right visual field of a split-brain patient. The individual will be able to
a. say “key”
b. say “ring”
c. pick out a key from a box using the right hand
d. draw a picture of a key using the right hand
HEMISPHERES IN THE BRAIN (RIGHT HANDED)14.
LEFT
Language
Logic
15.RIGHT
Spatial
Facial recognition
CONCLUSIONS?
16. Left & right hemisphere are RELATIVELY better at different mental activities.
Differ in HOW they process tasks rather WHAT they process.
SPATIAL RIGHT?
Right : better at dealing with a general sense of space
Left : becomes active when the person locates objects in specific places
CONCLUSIONS
18. Example: Language
Left: Better at specifics of speech (grammar and word generation)
Right: Better at intonation and emphasis of speech
LANGUAGE CENTERS
THE BRAIN #6
Language & Speech: Broca’s & Wernicke’s areas
http://www.learner.org/resources/series142.html?pop=yes&pid=1574
Paul Broca Tan’s brain
HEMISPHERECTOMY: CAMERON MOTTBRAIN PLASTICITY
http://www.youtube.com/watch?v=2MKNsI5CWoU
RESEARCH ON CREATIVITY & THE BRAIN
Creativity does not involved a single brain region or single side of the brain.
Depending on the stage of the creative process AND what you are trying to create, you use different brain regions.
These brain regions WORK TOGETHER…a TEAM!
CONCLUSIONS…YOU ARE WHOLE-BRAINED!It is not that one hemisphere or the
other can’t perform a given task;
It’s just that one of them can perform it faster and better than the other!
IAIN MCGILCHRISTTED TALK - SUMMARY
http://www.ted.com/talks/iain_mcgilchrist_the_divided_brain
