- We visually are not aware of a “blind spot†when both eyes areopen because____?
- the other eye is redundant so there is no need for it.
- your eyes have different focal points and thus would givedifferent answers.
- light stimuli excite the same point on both retinas.
- the blind spots of our eyes are not on correspondingpoints.
- None of the answers are correct.
2.Sound, light, taste, touch and smell do not come in one level.We are able to describe the intensity of a stimulus (i.e. theintensity of ammonia salts or the brightness of a camera’s flash).What are the mechanisms used by the nervous system to communicateintensity via graded and action potentials?
