Sensation and Perception (Module 17)

Human sensory systems are designed to detect changes in stimulation rather than to detect constancies. This is demonstrated by the process of sensory _____.

Adaptation

Regarding sensation and perception, which statement is true? A.Perception generally precedes sensation in the processing of a stimulus. B.Sensation and perception are essentially synonyms. C. Sensation involves the activation of sense receptors; perception involves interpretation. D.Sensation involves the interpretation of a stimulus, whereas perception does not.

C. Sensation involves the activation of sense receptors; perception involves interpretation.

A neutral facial expression may be perceived as sadder at a funeral than at a circus. This BEST illustrates:

Context effect

Tanisha asked her roommate to lower the radio as she was trying to study. Her roommate had turned the radio up originally from a volume level of 14 to 15, which was just enough for Tanisha to detect. She turned it back down to 14 after Tanisha asked her to lower it, which satisfied Tanisha. This is probably the result of:

The difference threshold.

Which statement BEST expresses the essence of bottom-up processing?

We see what is there.

Giulio's bag of marbles is twice as heavy as Jim's bag. If it takes 5 extra marbles to make Jim's bag feel heavier, it will take 10 extra marbles to make Giulio's bag feel heavier. This BEST illustrates:

Weber's Law

Racial and ethnic stereotypes can sometimes bias the way one sees others' behaviors. This BEST illustrates the impact of

perceptual set

The phenomenon of perceptual set underscores the contribution of _____ processes to perception.

top-down