Susie Chapter 15 Flashcards
the study of examining bumps on the surface of the skull
phrenology
what does MRI stand for?
magnetic resonance imaging
which scanner does not require radioactive substances?
MRI
this device can help people to see the detailed white matter tracts of fibres that connect brain regions (one type of MRI)
DTI
what does DTI stand for?
diffusion tensor imaging
what does the electrophysiological technique monitor?
changes in membrane potential of activated neurons
what does brain scanner monitor?
changes in energy metabolism in activated neurons
the source of energy for moving ions in and out of the neurons is called
oxidation of glucose
because of __ __, there will be increase in cerebral blood flow in active area
neurovascular link
glucose and oxygen are delivered by…
cerebral circulation
what does PET stand for?
Positron emission tomography
this type of scanner involves injection of radioactive tracers that attached to biological compounds
PET
what particles emitted by nuclear isotope are involved in PET?
gamma particles
what is one disadvantage of PET scanner?
it required injection of radioactive tracers. children and others could not tolerate
Can PET trace blood flow?
yes