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.
Body dysmorphic disorder (BDD) is a mental health diagnosis that refers to an unhealthy and excessive preoccupation with one's physical appearance. Where someone with distorted body image would tend to focus on overall physical shape or size, those with body dysmorphic disorder place extreme focus on a particular body part or feature of their body.