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[4] Hemispheric Lateralisation
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Psychology > ✓ Biospychology > [4] Hemispheric Lateralisation
8 cards
Cards (17)
what is
hemispheric lateralisation
?
the brain's two
hemispheres
are functionally different
On which
hemisphere
are the two main language centres?
Left hemisphere
Where is
Broca's area
located?
Left frontal lobe
Where is
Wernicke's area
located?
Left temporal lobe
What does
contralateral wiring
mean?
right hemisphere
controls the left side,
left hemisphere
controls the right
How is vision processed (in terms of lateralisation)? technical terms
contralateral
ipsilateral
- Opposite and same sided
How is vision processed (in terms of
lateralisation
) descriptive, not key terms
Why?
left
visual field of both eyes is connected to
right
hemisphere
.
RVF
of both eyes connected to LH.
enables the visual areas to compare different perspectives = depth perception
Strength
(of
lateralisation
) =
research
support in connected brains
George Fink
et al (
1996
)
PET scans
When PPTs asked to attend to
global elements
of an image (picture of whole forest)
regions of Rh
more active.
When asked to focus on
finer detail
(a single tree) the
specific areas of LH
are more active.
Limitation
(of lateralisation) =
LH
as analyser and
RH
as synthesiser may be wrong
no dominant side of the brain causing specific personalities
Jared
Neilson
et al (
2013
)
brain scans of over
1000
people ages
7-29
. no evidence of a dominant side (artistic or mathmatician)
See all 17 cards