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Midterm

PSYB51H3 Study Guide - Midterm Guide: Motion Aftereffect, Color Space, Subtractive Color


Department
Psychology
Course Code
PSYB51H3
Professor
Matthias Niemeier
Study Guide
Midterm

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1. After viewing a moving visual stimulus for some time with stationary eyes, and then
fixating a stationary stimulus the stationary stimulus appears to move in the opposite
direction to the original stimulus. This phenomenon is called _______.
A) Correspondence problem
B) Aperture problem
C) Motion aftereffect
D) Motion afterimage
2. A patient with no perception of motion is mostly likely has a lesion in (the) ______.
A) MT
B) V4
C) V2
D) PPA
3. Which of the following is FALSE?
A) Colour is a physical property
B) Most of the light we see is reflected
C) Perceivable colours have wavelengths between 400 – 700 nm
D) Typical light sources emit a broad spectrum of wavelengths
4. What are metamers?
A) Different mixtures of wavelengths that look different
B) Different mixtures of wavelengths that look identical
C) Metamers can be both A and B
D) None of the above
5. What is the difference between additive and subtractive color mixture?
A) Additive is a mixture of pigments; subtractive is a mixture of lights
B) Additive is a mixture of lights; subtractive is a mixture of pigments
C) Additive and subtractive are mixtures of lights with pigments
D) There is no physical difference between the two, the difference is psychological
6. Why is colour space 3-dimensional?
A) Because we have 2 types of cones and 3 types of rods
B) Because we have 3 types of cones
C) Both A and B are true
D) Colour space is 2-dimensional, not 3-dimensional
7. According to the opponent colour theory, why is “bluish yellow” an impossible colour?
A) Blue and yellow share the same wavelength
B) Blue has a wavelength that is double that of yellow
C) Blue and yellow are opponent colours
D) Blue and yellow are metamers

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8. Which of the following is a type of true colour-blindness?
A) Rod monochromat
B) Deuteranope
C) Protanope
D) Tritanope
9. For the motion detector depicted below, which of the following statements is TRUE?
A) This mechanism is only direction-sensitive
B) This mechanism is only velocity-sensitive
C) This mechanism is direction- and velocity-sensitive
D) This mechanism would also respond to a large, stationary bug
10. For the motion detector depicted below, what is one problem with the circuit?
A) This mechanism is only direction-sensitive
B) This mechanism is only velocity-sensitive
C) This mechanism is direction- and velocity-sensitive
D) This mechanism would also respond to a large, stationary bug
11. Point A provided in the figure below is called the _______________.
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A) Binocular point
B) Perspective point
C) Vergence point
D) Vanishing point
12. Binocular depth cues from overlapping visual fields provide _____________.
A) Convergence
B) Stereopsis
C) The ability to see more of an object than one eye
D) All of the above
13. The figure provided below is an example of monocular cues of ___________.
A) Occlusion
B) Relative height
C) Texture gradient
D) Linear perspective
14. The competition between the two eyes for control of visual perception, which is
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