Mathematical Models of Perception

Description: Mathematical Models of Perception Quiz
Number of Questions: 14
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Which of the following is a fundamental assumption of signal detection theory?

  1. Stimuli are detected perfectly.

  2. Stimuli are detected based on a comparison with a threshold.

  3. Stimuli are detected based on a comparison with a criterion.

  4. Stimuli are detected based on a comparison with a standard.


Correct Option: B
Explanation:

Signal detection theory assumes that stimuli are detected based on a comparison with a threshold. This threshold is a hypothetical boundary that separates stimuli that are detected from those that are not.

What is the difference between a stimulus and a percept?

  1. A stimulus is a physical event, while a percept is a mental representation of that event.

  2. A stimulus is a mental representation of a physical event, while a percept is a physical event.

  3. A stimulus is a physical event, while a percept is a physical event that has been interpreted by the brain.

  4. A stimulus is a mental representation of a physical event, while a percept is a mental representation of a physical event that has been interpreted by the brain.


Correct Option: A
Explanation:

A stimulus is a physical event that activates sensory receptors. A percept is a mental representation of a stimulus that is created by the brain.

What is the Gestalt principle of proximity?

  1. Objects that are close together are more likely to be perceived as a group.

  2. Objects that are similar in shape are more likely to be perceived as a group.

  3. Objects that are similar in color are more likely to be perceived as a group.

  4. Objects that are similar in size are more likely to be perceived as a group.


Correct Option: A
Explanation:

The Gestalt principle of proximity states that objects that are close together are more likely to be perceived as a group than objects that are far apart.

What is the Müller-Lyer illusion?

  1. An illusion in which two lines of equal length appear to be different lengths.

  2. An illusion in which a circle appears to be an oval.

  3. An illusion in which a square appears to be a rectangle.

  4. An illusion in which a triangle appears to be a trapezoid.


Correct Option: A
Explanation:

The Müller-Lyer illusion is an illusion in which two lines of equal length appear to be different lengths. The illusion is caused by the placement of arrowheads at the ends of the lines.

What is the Ponzo illusion?

  1. An illusion in which two lines of equal length appear to be different lengths.

  2. An illusion in which a circle appears to be an oval.

  3. An illusion in which a square appears to be a rectangle.

  4. An illusion in which a triangle appears to be a trapezoid.


Correct Option: A
Explanation:

The Ponzo illusion is an illusion in which two lines of equal length appear to be different lengths. The illusion is caused by the placement of converging lines behind the lines.

What is the Ebbinghaus illusion?

  1. An illusion in which two circles of equal size appear to be different sizes.

  2. An illusion in which a circle appears to be an oval.

  3. An illusion in which a square appears to be a rectangle.

  4. An illusion in which a triangle appears to be a trapezoid.


Correct Option: A
Explanation:

The Ebbinghaus illusion is an illusion in which two circles of equal size appear to be different sizes. The illusion is caused by the placement of smaller circles around the larger circles.

What is the Ames room illusion?

  1. An illusion in which a room appears to be larger than it actually is.

  2. An illusion in which a room appears to be smaller than it actually is.

  3. An illusion in which a room appears to be a different shape than it actually is.

  4. An illusion in which a room appears to be moving.


Correct Option: A
Explanation:

The Ames room illusion is an illusion in which a room appears to be larger than it actually is. The illusion is caused by the use of perspective and forced perspective.

What is the moon illusion?

  1. An illusion in which the moon appears to be larger when it is near the horizon than when it is high in the sky.

  2. An illusion in which the moon appears to be smaller when it is near the horizon than when it is high in the sky.

  3. An illusion in which the moon appears to be a different shape when it is near the horizon than when it is high in the sky.

  4. An illusion in which the moon appears to be moving.


Correct Option: A
Explanation:

The moon illusion is an illusion in which the moon appears to be larger when it is near the horizon than when it is high in the sky. The illusion is caused by the curvature of the Earth.

What is the autokinetic effect?

  1. An illusion in which a stationary object appears to be moving.

  2. An illusion in which a moving object appears to be stationary.

  3. An illusion in which an object appears to be moving in a different direction than it actually is.

  4. An illusion in which an object appears to be moving faster than it actually is.


Correct Option: A
Explanation:

The autokinetic effect is an illusion in which a stationary object appears to be moving. The illusion is caused by the movement of the eyes.

What is the phi phenomenon?

  1. An illusion in which a series of still images appears to be moving.

  2. An illusion in which a moving object appears to be stationary.

  3. An illusion in which an object appears to be moving in a different direction than it actually is.

  4. An illusion in which an object appears to be moving faster than it actually is.


Correct Option: A
Explanation:

The phi phenomenon is an illusion in which a series of still images appears to be moving. The illusion is caused by the persistence of vision.

What is the wagon wheel effect?

  1. An illusion in which the spokes of a wagon wheel appear to be moving backwards when the wheel is rotating.

  2. An illusion in which the spokes of a wagon wheel appear to be moving forwards when the wheel is rotating.

  3. An illusion in which the spokes of a wagon wheel appear to be stationary when the wheel is rotating.

  4. An illusion in which the spokes of a wagon wheel appear to be moving in a different direction than the wheel is rotating.


Correct Option: A
Explanation:

The wagon wheel effect is an illusion in which the spokes of a wagon wheel appear to be moving backwards when the wheel is rotating. The illusion is caused by the persistence of vision.

What is the stroboscopic effect?

  1. An illusion in which a series of still images appears to be moving.

  2. An illusion in which a moving object appears to be stationary.

  3. An illusion in which an object appears to be moving in a different direction than it actually is.

  4. An illusion in which an object appears to be moving faster than it actually is.


Correct Option: A
Explanation:

The stroboscopic effect is an illusion in which a series of still images appears to be moving. The illusion is caused by the rapid presentation of the images.

What is the flicker fusion threshold?

  1. The rate at which a series of still images must be presented in order to appear to be moving.

  2. The rate at which a moving object must be moving in order to appear to be stationary.

  3. The rate at which an object must be moving in order to appear to be moving in a different direction.

  4. The rate at which an object must be moving in order to appear to be moving faster than it actually is.


Correct Option: A
Explanation:

The flicker fusion threshold is the rate at which a series of still images must be presented in order to appear to be moving. The flicker fusion threshold is typically around 10 to 12 images per second.

What is the critical flicker fusion threshold?

  1. The rate at which a series of still images must be presented in order to appear to be moving.

  2. The rate at which a moving object must be moving in order to appear to be stationary.

  3. The rate at which an object must be moving in order to appear to be moving in a different direction.

  4. The rate at which an object must be moving in order to appear to be moving faster than it actually is.


Correct Option: A
Explanation:

The critical flicker fusion threshold is the rate at which a series of still images must be presented in order to appear to be moving. The critical flicker fusion threshold is typically around 16 to 20 images per second.

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