Exam 6: Sensation and Perception

The dimension of auditory experience related to the complexity of a sound wave, that is, to the relative breadth of the range of frequencies, is called _______________.

The stimulus for a sound is a wave of pressure created when an object vibrates or when compressed air is released.

Sounds that are pure tones are extremely rare in nature.

The lens of the eye functions by moving in the same way the lens of a camera does.

A sound wave causes the eardrum to vibrate with the same frequency as the wave itself.

Ganglion cells and neurons in the _______________ respond to simple features of the environment, such as spots of light and dark.

The actual organ of hearing is the eardrum.

Saturation is related to the complexity of light-that is, how wide or narrow the range of wavelengths is.

The actual "detectors" for taste are called _______________.

Although the human senses are very sensitive:

The outer edges of the retina, which are responsible for peripheral vision, contain only cones.

In a signal detection task, the participant reports a signal and a signal was present. This is called a _______________.

Although she is normally not aware of its existence, Ingrid discovers that she has a blind spot in her vision by closing one eye and focusing on a fixed point. What explains why Ingrid has this blind spot in her vision?

The receptor cells for taste are located inside the taste buds, about 15 to 50 per bud.

The auditory receptors are located in the _______________.

Taste receptors are located primarily on the tongue, but also in the throat, cheeks, and roof of the mouth.

Which of the following physical characteristics of light is related to saturation?

The smallest amount of energy that a person can detect reliably is known as the difference threshold.

The complexity of light is related to our perception of _______________.

The optic nerve is formed by: