Match each brain imaging technology with its description.

A	Positron Emission Tomography(PET)
B	Computerized Tomography(CT)
C	Functional Magnetic Resonance Imaging(fMRI)
D	Electroencephalography(EEG)

	creates rough images of active areas in the brain by monitoring a radioactivetracer in the blood stream.
	Uses x-raysto provide detailed and precise images of a specific slice of the brain.
	creates detailed images of blood flow and oxygen levels in areas of the brain to indicate activity through the use of a strong magneticfield.
	examines brain activity over time by measuring electric activity across the brain.