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TECHNIQUES OF BRAIN IMAGING

Authored by Harshika Gudi

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11th Grade

TECHNIQUES OF BRAIN IMAGING
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key benefit of utilizing an fMRI scan?

Provides real-time monitoring of brain activity

Offers detailed information on brain structure

Can be used to study brain function in small animals

Enables researchers to track brain responses during cognitive tasks

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which technique has the best temporal resolution for measuring brain activity?

Computerized axial tomography (CAT)

Functional magnetic resonance imaging (fMRI)

Magnetic resonance imaging (MRI)

Electroencephalography (EEG)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a limitation of EEG scans?

Used to diagnose tumors and metastases

Offers extremely low spatial resolution

Measures neuronal activity directly

Can be used for people with implanted medical devices

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which technique is good at measuring several second behaviors such as memory and face recognition?

Computerized axial tomography (CAT)

Positron emission tomography (PET)

Electroencephalography (EEG)

Functional magnetic resonance imaging (fMRI)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a strength of MRI scans?

Does not use x-rays

Has poor temporal resolution

Can cause claustrophobia

Used to diagnose epilepsy and sleep disorders

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which technique is used to observe metabolic processes in the brain by detecting gamma rays emitted indirectly by a tracer?

Functional magnetic resonance imaging (fMRI)

Magnetic resonance imaging (MRI)

Positron emission tomography (PET)

Computerized axial tomography (CAT)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a limitation of fMRI machines?

Poor temporal resolution

Can cause claustrophobia

Used to measure instantaneous processes

Excellent spatial resolution

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