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.
This is known as 'constriction for accommodation to near vision'. If the pupils are unequal in size with uniform illumination, or if their reaction to light is unequal, the physician will attempt to explore the cause for this. The variety of reasons for such occurrences are beyond the scope of a Quora answer. Both pupils fully dilated and non reactive to light indicates death.