BIOLOGICAL BASES OF BEHAVIOR
STUDYING THE BRAIN
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
electroencephalogram (EEG)
|
|
|
CT (computed tomography)
|
|
|
PET (positron emission tomography)
|
|
|
MRI (magnetic resonance imaging)
|
|
|
fMRI (functional MRI)
|
Detailed explanation-1: -For example, in PET scans of the brain, a radioactive atom is applied to glucose (blood sugar) to create a radionuclide called fluorodeoxyglucose (FDG), because the brain uses glucose for its metabolism. FDG is widely used in PET scanning.
Detailed explanation-2: -A brain positron emission tomography (PET) scan is an imaging test of the brain. It uses a radioactive substance called a tracer to look for disease or injury in the brain. A PET scan shows how the brain and its tissues are working.
Detailed explanation-3: -A positron emission tomography (PET) scan is an imaging test that can help reveal the metabolic or biochemical function of your tissues and organs. The PET scan uses a radioactive drug (tracer) to show both normal and abnormal metabolic activity.
Detailed explanation-4: -fMRI and PET measure haemodynamic changes induced by regional changes in neuronal activity. These techniques have a high spatial resolution (a few millimeters), but a poor temporal resolution (a few seconds to several minutes).