To explore brain related factors that might explain age differences in cognitive functioning: a researcher may use _____ to examine how changes in brain activity occur in correspondence to changes in task demands and the type of cognitive functioning.

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fMRI (functional magnetic resonance imaging) is the best choice because it measures changes in blood flow in the brain, which indicate changes in neural activity, in response to specific cognitive tasks. It can provide insight into which brain regions are most active during particular types of cognitive functioning and how those regions may change with age. EEG (electroencephalography) measures electrical activity in the brain but has limited spatial resolution, and MRI (magnetic resonance imaging) provides structural images of the brain but does not directly measure neural activity. eMRI is not a commonly used term in neuroscience.

To Explore Brain Related Factors That Might Explain Age Differences