Exam 3: Sensation and Perception

_____ is the activation of neurons in the cortex by visual stimuli of specific shapes or patterns.

Suppose you stare at an illustration of the American flag for a while,then glance at a blank white page.The red stripes look green when you glance at the blank page because:

In the most common form of color blindness:

_____ is the change in position of an object on the retina caused by movement of your body relative to the object.

At night,the moon appears smaller when it is overhead than when it is on the horizon.This is an example of:

Roast beef with a rich brown gravy is often described as a "savory" dish.The basic taste prominent in such a dish is:

Distinguish between rods and cones with respect to both their structure and their function.

Anna is reading her psychology text.The activation of receptors in her retina by a source of physical energy is called _____.

Mark and a Jacob are driving home on a college break.Mark is in the passenger seat.Bored,Mark gazes into the middle of an empty field.He notices that distant hilltops seem to move slowly in the same direction in which their car is moving;by contrast,mile markers on the side of the highway seem to whiz past them in the opposite direction.The difference in the apparent speed and direction of objects' motion serves as a depth cue termed motion:

Explain the phenomenon of perceptual constancy with a suitable example.

Distinguish between the trichromatic and opponent-process theories of color vision.Provide evidence in support of each theory.

Damon is among the 7% of males with color blindness.He suffers from the most common form of color blindness.Which of the following statements best illustrates Damon's experience of color?

Amplitude range is measured in _____.

Dr.Breiland examines the relationship between the physical properties of light,such as its amplitude and wavelength,and human perception of color.Which of the following terms most accurately describes Dr.Breiland's field of study?

Making an analogy between hearing and vision,the auditory hair cells in the_____ are similar to the _____ in the _____.

The smallest level of added or reduced stimulation required to sense that a change in stimulation has occurred is known as the _____.

Which of the following statements is true about the place theory and the frequency theory?

How does light therapy work?

_____ refers to perception that does not involve our known senses.

Which of the following most closely approximates the meaning of the term noise as psychophysicists use it?