Melvin is playing a game of chess. as part of an experiment, sandy, an intern at a hospital, wants to use a technique to identify which parts of melvin's brain are active when he is playing chess. which of the following techniques should sandy use?

Functional magnetic resonance imaging (fMRI)

Explanation:

fMRI is a neuroimaging technique, it is employed in investigating brain functioning and its changes overtime. To study the changes in Melvin's brain while he plays cheese, Sandy should make use of fMRI. fMRI is an invasive imaging technique.

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