You want to compare the task-related activity in the human somatosensory cortex in a control versus experimental condition. Which method would you choose? Select one:

a.
DTI

b.
CT

c.
PET

d.
fMRI

e.
Optogenetics

d.  fMRI

Explanation:

Functional magnetic resonance energy is the imaging instrument that determines the functional activities and changes in the blood flow. This technique is useful for examining cerebral flow of blood and the neuronal activation can be analyzed in both control and experimental condition of the somatosensory cortex. When the subject uses the brain the blood flow in the region increases which can be detected by fMRI.

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answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.