Brain Imaging Techniques Quiz

What does fMRI detect in the brain?

• Changes in electrical activity

• Changes in blood flow

• Changes in temperature

• Changes in chemical composition

What does EEG measure?

• Blood flow patterns

• Brainwave patterns

• Chemical changes

• Temperature variations

What is the purpose of ERP in brain studies?

• To measure blood flow

• To detect chemical changes

• To filter events from EEG recordings

• To study brain after death

What is studied in post-mortem brain analysis?

• Blood flow

• Brainwave patterns

• Brain areas after death

• Electrical activity

Which technique is described as risk-free and non-invasive?

• EEG

• ERP

• fMRI

• Post-mortem

Which technique is noted for high temporal resolution?

• fMRI

• EEG

• ERP

• Post-mortem

What is a disadvantage of fMRI?

• Poor spatial resolution

• Expensive

• Invasive

• Low temporal resolution

What is a limitation of EEG?

• High cost

• Low temporal resolution

• Cannot identify source

• Invasive

What is a benefit of ERP over EEG?

• Higher spatial resolution

• Higher temporal resolution

• Lower cost

• Easier to control

What is a challenge associated with ERP?

• High cost

• No standardized method

• Low spatial resolution

• Invasive