Psych ch 5

What is a binaural cue?

two-eared cue to localize sound

Imagine yourself in a dark classroom reading PowerPoint slides. If an audience member were to check the internet using her cell phone and causing her screen to light up, chances are that many people would notice the change in illumination in the classroom. However, if the same thing happened in a brightly lit classroom during a discussion, very few people would notice. The cell phone brightness does not change, but its ability to be detected as a change in illumination varies dramatically between the two contexts. This is an example of ________.

weber's law

Two lines appear to be a different length, though in reality they are the same length. This is known as the ________ illusion.

Müller-Lyer

Akeelah extended her arm in front of her and then extended one of her fingers. She focused on that finger. Next, she closed her left eye without moving her head; then she opened her left eye and closed her right eye without moving her head. She noticed that her finger seemed to shift as she alternated between the two eyes because of the slightly different view each eye had of her finger. What is illustrated by this example?

binocular disparity

Inattentional ________ refers to the failure to notice something that is completely visible due to a lack of attention.

blindness

The visible spectrum refers to the portion of the electromagnetic spectrum that we _______

can see

Petra walks into a brightly lit Psychology lab to participate in an experiment involving the ability to perceive the colors of the rainbow. Which photoreceptors will be most useful during this experiment?

cones

When light levels are low, the pupil will become ________, to allow more light to enter the eye.

dilated

Hertz is a measure of ________.

frequency

________-frequency sound waves are perceived as high-pitched sounds, while ________-frequency sound waves are perceived as low-pitched sounds.

high; low

What was the original focus of Swets' (1964) signal detection theory?

improving the sensitivity of air traffic controllers to plane blips

Which part of the eye holds eye color?

iris

Which of the following describes the difference in stimuli required to detect a difference between the stimuli?

just noticeable

Felicia smacks her thumb with a hammer while building a doghouse. The sense of ________ provides her brain with information about the pain she feels.

nociception

Which nerve carries visual information from the retina to the brain?

optic

________ refers to the way that sensory information is interpreted and consciously experienced; ________ refers to what happens when sensory information is detected by a sensory receptor.

perception; sensation

What allows Nancy to run without watching her feet and hit a baseball without focusing on the bat?

proprioception

Which of the following is false about sensation?

Sensation refers to the way sensory information is organized, interpreted, and consciously experienced.

Which of the following statements about the vestibular sense is false?

The vestibular sense is divided into olfaction, gustation, and audition

Suppose you are watching a movie on a large screen. For a fraction of a second, the words "Drink Cola" flash on the screen. You do not perceive the words "Drink Cola" because it is beyond your absolute threshold. In this example, the message "Drink Cola" is an example of ________.

a subliminal message