Brain and Language

1
Brain and Language

• Lecture 14

2
Basic Brain Architecture
3
Bilateral Structure
Brain, as seen from the top
4
Brain Asymmetry

• Lateralization
• Brain hemispheres perform different cognitive
  functions
• http//www.news.com.au/heraldsun/story/0,21985,225
  56281-661,00.html

Left-brained
Right-brained
5
Brain Lateralization
6
Some Exceptions

• Exceptions
• Babies/young children
• Bilinguals
• Signers
• Women
• Left-handers
• Contralateralization
• Brain hemispheres control physical (motor) and
  sensory events on opposite side of the body
• The Brain, Unit 5 http//www.learner.org/resourc
  es/series142.html

7
Normal Speech Processing
8
Impaired Speech ProcessingPost-Commissurotomy
9
Architecture of the Left Brain
F Motor Cortex
D Arcuate Fasciculus
C Wernickes Area
E Brocas Area
G Angular Gyrus
A Visual Cortex
B Auditory Cortex
10
Neural Pathways for Speech
F
D
G
E
C
A
B
11
Neural Pathways for Reading Aloud
F
D
G
E
C
A
B
12
Pathways for Auditory Comprehension
F
D
G
E
C
A
B
13
Lets See the Real Deal

• The Mind, Unit 8 http//www.learner.org/resource
  s/series150.html
• (Alternative Link http//www.youtube.com/watch?v
  5KXIDUo18aA)
• The Brain, Unit 6 http//www.learner.org/resourc
  es/series142.html