When neuroscientists use PET scans (positron emission tomography),
a. they assess the regions of the brain in which blood flow increases while a person is performing a task.
b. they record the neural impulses from one neuron in the human brain.
c. they stimulate a brain region in a patient who recently had a stroke or tumor.
d. they place electrodes on a person's scalp.
Question 2
According to the discussion of cognitive neuroscience, the PET-scan technique
a. is too dangerous to use with human participants.
b. is currently used when researchers want to test memory; however, it is not adaptable for other cognitive processes.
c. can measure human cognitive processes that are completed within one-tenth of a second.
d. measures blood flow in the brain.
CT Brain Scans
Computerized tomography (CT) is used to perform a brain scan.
A series of two PET scans. A scan was done when the volunteer’s eyes were either open (left) or ...
Emission Spectrum
Many U.S. regions under threat due to changes in sea level
Cranial nerves and their target regions. (Sensory nerves are shown in blue; motor nerves, in red.)