Psych Ch 4

What is prosopagnosia?

A disorder resulting in the inability to recognize faces yet still maintaining the ability to recognize objects.

What makes the Retinex theory a good description of color vision?

It accurately accounts for color constancy

Which of the following is true regarding gestalt theory as it applies to perception?

It is a bottom-up theory.

What term best accounts the tendency for people to group things together based on objects being close together?

Law of Proximity

What term best describes the tendency for people to group things together based on shared qualities between the objects?

Law of similarity

Which of the following statements most accurately defines a subliminal stimulus?

A stimulus that presented below the threshold for detection. WRONG-None of these accurately defines a subliminal stimulus

What physical part of sound best relates to its pitch?

Frequency

Which color are rods most sensitive to?

Greens

The thalamus serves as a relay station for all of the major sensations except one, which sense is this?

Olfaction

What process describes the conversion of environmental media into biological signals?

Sensation

Which of the following factors contribute to the complicated nature of pain sensation, such as the phenomenon of Phantom Limb pain?

Situational differences such as expectations, emotions, and appraisal of a situation.

The McGurk Effect can best be described as

Speech perception of a syllable of which people report hearing what they see.

Which of the following statements most accurately describes the research on subliminal messages?

Subliminal messages can have a small impact on influencing brief changes in behavior that have little consequence.

What is light?

Visible part of the electromagnetic spectrum

Which sense uses more cortical space than other senses? (In other words, which sense uses the largest portion of the brain?)

Vision

How is the C-fiber pathway relevant to the sensation of pain?

WRONG-As a myelinated pain receptor, it produces sharp, painful sensations by transmitting swift, acute signals to the brain.

Perceiving an object, including the sum of all of its individual characteristics, as a whole in order to recognize it is an example of a:

WRONG-Configuration-based theory

What causes most color blindness in humans?

WRONG-Individuals fail to develop rod receptors in the eye

What makes the opponent-process theory a good description of color vision?

WRONG-It accounts for every possible color that humans can see.

What is the main goal of the signal detection theory?

WRONG-To account for changes in sensory thresholds that occur on any given trial of a psychophysical test.