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Comparison of Cognitive Neuroscience Methods (1)
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Comparison of Cognitive Neuroscience Methods (1)
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Comparison of Cognitive NeuroscienceMethods
CAT scans - CORRECT ANSWER-Computed axial tomography, uses X-rays to
create 3D images of tissue density.
PET scans - CORRECT ANSWER-Positron emission tomography, measures brain
metabolism using radioactive substances.
MEG - CORRECT ANSWER-Magnetoencephalography, detects magnetic fields
from brain activity with high spatial resolution.
TMS - CORRECT ANSWER-Transcranial magnetic stimulation, non-invasive brain
stimulation method.
TDCS - CORRECT ANSWER-Transcranial direct current stimulation, another
non-invasive brain stimulation method.
Optical Imaging - CORRECT ANSWER-Functional near-infrared spectroscopy,
measures brain tissue absorption of near-infrared light.
Temporal Resolution - CORRECT ANSWER-Order of many seconds, slow in neural
firing
Scattering of Light - CORRECT ANSWER-Known as the fast signal in optical
imaging
EROS - CORRECT ANSWER-Event related optical signal, analogous to ERPs of
EEG
Pros of Optical Imaging - CORRECT ANSWER-Noninvasive, good temporal and
spatial resolution
Cons of Optical Imaging - CORRECT ANSWER-Limited to surface of the brain due
to light penetration
EEG - CORRECT ANSWER-Noninvasive, disrupted by muscle activity and eye
blinks
MRI - CORRECT ANSWER-Superb spatial resolution, requires complete stillness
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