The sensory stimulus does not have to be a visual one, though. Reaction time can be measured as a response to other sensory stimuli, too, such as a sound or a touch. In fact, reaction times to sound have been shown to be faster, on average, than reaction times to visual stimuli.eaction time can be measured as a response to other sensory stimuli, too, such as a sound or a touch. In fact, reaction times to sound have been shown to be faster, on average, than reaction times to visual stimuli.
Body Dysmorphic Disorder. Body dysmorphic disorder (BDD) is a distinct mental disorder in which a person is preoccupied with an imagined physical defect or a minor defect that others often cannot see.
Muscle dysmorphia. Muscle dysmorphia is the obsessive preoccupation with a delusional or exaggerated belief that one's own body is too small, too skinny, insufficiently muscular, or insufficiently lean, although in most cases, the individual's build is normal or even exceptionally large and muscular already.