The ______________ is essentially a device that monitors subjects’ physiological changes. These include changes in heart rate, respiration rate, blood pressure, and galvanic skin response. In consumer research, this device is used to record consumers’ physiological responses when exposed to various marketing stimuli, such as advertisements, new products, and package designs

A. Lie detector
B. Psychogalvanometer (correct)
C. Eye movement recorder
D. Pupil dilation monitor
E. None of the above