The brain imaging method in which the participant carries out one task (e. g., reading aloud), then a variant of that task (e. g., reading silently), and then the critical difference between the two is located is called the

The answer is; it is called "subtraction method".

Brain imaging which is also known as neuroimaging refers to the utilization of different methods to either straightforwardly or by implication picture the structure, work/pharmacology of the sensory or nervous system.It is a generally new discipline inside medication, neuroscience, and psychology. Physicians who have practical experience in the performing and interpreting of neuroimaging in the clinical setting are known as neuroradiologists.

In other words, you have to make a powerpoint