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Chapter 5

PSYC 1010 Chapter 5: PSYC 1010 - Module 5 - Tools of Discovery, Older Brain Structures and the Limbic System (pg. 64-72)Premium


Department
Psychology
Course Code
PSYC 1010
Professor
Rebecca Jubis, Odette Weiss, Giulia Rinaldi
Chapter
5

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PSY
C1010Module5ToolsofDiscoveryOlder
Brain
structures3the
limbic
system
having
ourheadexamined
explorationshave
led
tomapping
the
brainc
showing
which
part
of
the
brain
does
what
theactoflesioningisdestroyinga
tiny
cluster
of
brain
cells
leaving
the
rest
unharmed
scientistscanstimulate
partsofthebrainelectricallymagnetically
orchemicallyand
see
the
result
scientists
can
also
detect
the
activityofsingle
neurons
II opto
genetics
allow
neuroscientists
tocontrol
individual
neurons
an
electroencephalogramCEE
Greadsoutelectrical
neural
wavesthrough ashowercap
looking
device
although
theseadvancesaregreatwout
actually
being
inside
the
brainitshard
tomake assumptions
orreachconclusions
amagneto
encephalography MEG measures
thebrain'smagnetic
field
the positron
emission
tomography PET scan show energy
consumption inthebrain
through
detecting glucose
amagnetic
resonance
imaging
CMRD
scanscan'stheperson's
headby
using
magnetic
ties
as aradio
waves
that
cause
atomstospin 3eventually
emit
image
signals
after
they
stop
spinning
fMRI
scanreveal
brain
structure9function
older
brain
structures
the
brainstem isthebrain'soldestregion
it is the
base
ofthemedulla
controlsautomatic
survival
instincts
it is across
overpointwhere
nerves
from
one
sideofthebody
connecttonerves on the
other
sideofthebody
the
medulla
controlsyourheart
beat9breathing
the
pons coordinate
movement9sleep
the
thalamus
thebrain'ssensory
control
center
4receives
informationfrom allthe
sensesbut s
men
directssignalsto
the
medulla3cerebellum
sensorytraffic
bowsin 7out
ofhere
my reticular
formation
My extends
fromthespinal
cord
throughtothethalamus
somesensory
info
comes
hereheisthensent
tootherbrainareas
wimportant
for
multitasking
controlsarousal2alertness
adamagedreticularformationcauses Comas
cerebellum
extends
fromthebackof thebrainstem
allowsforlearning2memory
helpsustellthetime control ouremotions 3tensounds3textures
control
voluntarymovement Chicking asoccer ball
alcoholinhibits
thecerebellum
injury
ing
thecerebellum
causes
lossinbalancetroublewalking
3shakiness
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