1.   His eyes had popped, but the sensors inside his skull fed him heat patterns that were clearer than any visual input.

2.   Moreover, visual input produces direct emotional arousal, which is the most potent neurochemical condition for learning and attitudinal change.

3.   Duffy has also studied rhesus monkeys to determine which brain structures are involved in perceiving and interpreting visual input about motion.

4.   If you want optimal visual input while driving, you need to be seated in the best spot.

5.   Some researchers theorize that the brain produces spontaneous images, which are usually suppressed by normal visual input from the eyes.

6.   The computer, on the other hand, can give visual input to someone working on an aural task.