Hyperthymestic syndrome is characterized by unusual capability of an individual to remember and recall the events and happenings that occurred in the past. In short the individual have a consolidated autobiographical memory.
Best Answer: Your pupils dilate when the muscles in your eyeballs stretch. Several things can cause this to happen. They sometimes dilate during times of attraction or when you see something you like. Sometimes this happens during fear or situations in which you are threatened and adrenaline rushes.
Pupil: The opening of the iris. The pupil may appear to open (dilate) and close (constrict), but it is really the iris that is the prime mover; the pupil is merely the absence of iris.The pupil determines how much light is let into the eye.Both pupils are usually of equal size.If they are not, the condition is called anisocoria.he pupil may appear to open (dilate) and close (constrict), but it is really the iris that is the prime mover; the pupil is merely the absence of iris.