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1. Broca's Area
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2.  Broca's area is a functionally defined structure in
the left frontal lobe of about 97% of humans
(including a large majority of left–handers).
 Broca's area is involved mainly in the production
of spoken and written language and also in
language processing and comprehension. I
 t takes its name from the French scientist whose
work with language–impaired patients led him to
conclude that we speak with our left–brain.
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3.  In the 1960s, Roger Sperry and Michael devised
an ingenious experiment to determine whether
language was lateralized to the left hemisphere.
 They worked with split–brain patients (patients
who had the connective tissue between right and
left hemispheres removed).
 Using the left hemisphere, split–brain patients
could produce the name of objects held in the
right hand without difficulty.
 Amazingly, if they held the same object in the
left hand (which is controlled by the right
hemisphere), the object could not be named.
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4. • language production (both speech and sign)
• comprehension of complex syntax
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5.  Language impairments in autism may be
related to abnormalities in Broca's area (see
Bauman and Kemper, 2005).
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6. • Broca's aphasia (inability to express
language) which includes halting speech
• repetitive speech (perseveration)
• disordered syntax and grammar and
disordered structure of individual words
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7.  Thanks for reading.
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