Chapter 2, Cont. Flashcards
fMRI stands for
functional magnetic resonance imaging
PET stands for
positron emission tomography
EEG stands for
electroencephalography
MEG stands for
magnetoencephalography
fMRI and PET rely on _____ _____.
blood flow
fMRI and PET generates images of brain ______ rather than brain _____.
activity; structure
PET involves a short-lived injection of ______ ______.
radioactive chemicals
Downsides of fMRI and PET are that they don’t really _______ and they have poor _______.
track neural activity; spatial resolution
EEG and MEG involve ______ on the surface of the _____.
electrodes; scalp
EEG has terrible ____ resolution.
spatial
MEG constructs real-time maps of brain _____ during ongoing cognitive processing.
activity
MEG measures the minuscule _____ ____ produced by the electrical activity of cortical _____.
magnetic fields; neurons
Spatial resolution means ___ in the brain.
where
Temporal resolution means __ in the brain.
when
A limit of neuroimaging in general: _____ aren’t the same between people!
lesions