Sensation and Perception

Which of the following would play a role in quickly alerting you to a gas leak in your home?

Olfactory Receptors

Which theory can best explain why people respond differently to the same stimuli

Signal detection theory

The classic gate control theory suggests that pain is experienced when small nerve fibers activate and open a neural gate in the?

Spinal Cord

Standing atop a mountain on an utterly dark, clear night, most of us would see a candle flame atop another mountain 30 miles away. This best illustrates

The absolute threshold

Humans experience the longest visible electromagnetic waves as?

The color red and the shortest visible waves as blue-violet

Experiencing a green afterimage of a red object is most easily explained by

The opposing process theory

The effect of prior experience and current expectations on perception best illustrates the importance of?

Top-down processing

Evidence that some cones are especially sensitive to red light, others to green light, and still others to blue light is most directly supportive of the ________ theory.

Young- Helmholtz

A subliminal message is one that is presented

below one's absolute threshold for awareness

Webers law is relevant to an understanding of

difference thresholds

A perceptual set is a

mental predisposition that influences what we perceive

According to the Young-Helmholtz theory

the retina contains three kinds of color receptors

Sensation is to ________ as perception is to ________.

Detection; Interpretation

Who emphasized that the whole may exceed the sum of its parts?

Gestalt Psychologists

Standing in the checkout line at the grocery store, Jerry kept looking at his watch to see the time. As a result, he failed to see that a store employee was being robbed by a person just in front of him. Jerry most clearly suffered

Inattentional blindness

Objects are brought into focus on the retina by changes in the curvature and thickness of the

Lens

The ability to simultaneously process the pitch, loudness, melody, and meaning of a song best illustrates?

Parallel Processing

The process by which our sensory systems convert stimulus energies into neural messages is called?

Parallel Processing

The adjustable opening of the center of your eye is the?

Pupil

Ohio state university pedestrians were morel likely to cross streets unsafely is they were talking on a cell phone. This best illustrates the impact of?

Selective Attention

Because she was listening to the news on the radio, Mrs. Schultz didn't perceive a word her husband was saying. Her experience best illustrates

Selective attention

The process of receiving and representing stimulus energies by the nervous system is called

Sensation