Brain Imaging Techniques

Which brain imaging technique uses X-rays to analyze the structure of the brain?

• Computerized Axial Tomography (CAT)

• Magnetic Resonance Imaging (MRI)

• Functional Magnetic Resonance Imaging (fMRI)

• Positron Emission Tomography (PET)

What is the principle of work for Magnetic Resonance Imaging (MRI)?

• Detection of X-ray absorption by bone and hard tissue

• Detection of energy emitted by atomic nuclei in a magnetic field

• Measurement of blood flow and oxygenation in active brain areas

• Injection of a radioactive tracer to measure brain activity

What is NOT a limitation of Magnetic Resonance Imaging (MRI)?

• Exposure to radiation

• Difficulty for people with metal implants to undergo the procedure

• Picks up unrelated minor abnormalities

• Expensive scanning procedure

Which brain imaging technique uses the BOLD signal to detect active brain areas?

• Computerized Axial Tomography (CAT)

• Magnetic Resonance Imaging (MRI)

• Functional Magnetic Resonance Imaging (fMRI)

• Positron Emission Tomography (PET)

What is the principle of work for Positron Emission Tomography (PET)?

• Detection of X-ray absorption by bone and hard tissue

• Detection of energy emitted by atomic nuclei in a magnetic field

• Measurement of blood flow and oxygenation in active brain areas

• Injection of a radioactive tracer to measure brain activity

What is a limitation of Positron Emission Tomography (PET)?

• Exposure to radiation

• Difficulty for people with metal implants to undergo the procedure

• Low spatial resolution

• Expensive scanning procedure

Which brain imaging technique provides excellent temporal resolution?

• Computerized Axial Tomography (CAT)

• Magnetic Resonance Imaging (MRI)

• Functional Magnetic Resonance Imaging (fMRI)

• Electroencephalography (EEG)

What is the principle of work for Electroencephalography (EEG)?

• Detection of X-ray absorption by bone and hard tissue

• Detection of energy emitted by atomic nuclei in a magnetic field

• Measurement of blood flow and oxygenation in active brain areas

• Detection of electrical activity generated by neurons

What is a limitation of Electroencephalography (EEG)?

• Exposure to radiation

• Difficulty for people with metal implants to undergo the procedure

• Low spatial resolution

• Poor temporal resolution

Which brain imaging technique provides both structural and process information?

• Computerized Axial Tomography (CAT)

• Magnetic Resonance Imaging (MRI)

• Functional Magnetic Resonance Imaging (fMRI)

• Electroencephalography (EEG)