The phrase "exaggerated response" refers to when someone reacts or behaves in a way that is much stronger or greater than what is considered normal or expected for a particular situation. Full definition
Sluggish or absent responses suggest a problem in the spinal cord, peripheral nerves, or muscles, while exaggerated responses indicate problems above the spinal cord. (discovermagazine.com)
In the 1990s, scientists discovered that differences in the DNA sequence of the serotonin transporter gene seemed to give some individuals exaggerated responses to stress, including the development of depression. (sciencedaily.com)
The next step, said Portera - Cailliau, is to explore whether fragile X mice indeed exhibit exaggerated responses to sensory stimuli. (sciencedaily.com)