The device where a computer constructs an image of the brain by combining thousands of individual x-rays taken at slightly different angles is called a(n)_________.

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The device described is a CT (computed tomography) scan, which uses x-rays taken from different angles to create a 3D image of the brain. Option B, EEG (electroencephalogram) measures electrical activity in the brain, while Option C, psychophysiological scan could refer to a range of methods that measure physiological responses to psychological stimuli. Option D, fMRI (functional magnetic resonance imaging) uses magnetic fields to measure changes in blood flow in the brain, and does not involve x-rays.

The Device Where a Computer Constructs an Image of the Brain