According to the Young-Helmholtz theory, when both red and green sensitive cones are stimulated simultaneously, a person should see:

Related Mcqs:

1. The light-sensitive inner surface of the eye, containing the rods and cones, is the ______________?

   A. optic nerve
   B. cornea
   C. retina
   D. iris

2. The theory that challenged Helmholtz’s theory of color vision is _______________?

   A. frequency theory
   B. opponent-process theory
   C. isomorphism
   D. trichromatic theory

3. Hermann von Helmholtz is, in part, famous for his theory of ________________?

   A. color blindness
   B. color vision
   C. lateral inhibition
   D. sensory transduction

4. A young man explained that he did poorly on his exam because his eyes hurt the test was unfair, and he did not feel the subject was important anyway. The young man is using what type of defense mechanism?

   A. rationalization
   B. fantasy
   C. projection
   D. displacement

5. Intra- sexual homicide (young men kill young men more than females kill females) would offer support for:

   A. biological basis of aggression
   B. adaptively basis of aggression
   C. homicidal protest
   D. media causes violence hypothesis

6. Babar was at a football game, and even though people wearing green jackets were spread fairly evenly throughout the stands, he still perceived all the people in green jackets as a single group of visiting fans. Babar’s perception is most consistent with the Gestalt principle of:

   A. Constancy
   B. Similarity
   C. Closure
   D. Proximity

7. If you project a red, a green, and a blue light into space, the point at which the three lights cross will lead to the perception of:

   A. Ultraviolet light
   B. White light
   C. Orange light
   D. Infrared light

8. You parked your car in a large car park Monday morning. When you return to the car park Monday night, you have forgotten Fiesta in a large car park filled with green Volkswagens and red Fiestas, which type of visual search would you need to use?

   A. Parallel search
   B. Serial search
   C. Conjunction search
   D. Serial and conjunction

9. Which TWO of the following statements are true of simultaneous contrast illusions? 1. In the simultaneous tilt illusion, vertical stripes appear tilted away from the tilt of their surrounding stripes. 2. In the luminance illusion, a grey patch appears darker when surrounded by a dark area than when surrounded by a light area. 3 A purple patch appears slightly closer to blue when surrounded by red, and closer to red when seen against a blue background. 4. Visual illusion effect only exist for motion.

   A. 1 & 3
   B. 2 & 3
   C. 3 & 4
   D. 2 & 4

10. Waqas looked directly into a very bright light and damaged his retina. The ophthalmologist has told him that he has sustained massive damage to his rods but for the most part his cones have not been affected. One change that you could predict for Waqas’ vision is that he will now have:

    A. more accurate depth perception
    B. poor vision in bright illumination
    C. poor vision in low illumination
    D. poor peripheral vision