Exam 6: Exstintion: Sensation and Perception

Sensory adaptation can be hazardous at times.

Despite the impressive sensory skills possessed by humans,the human senses are tuned in to only a narrow band of physical energies.Discuss several species that are able to pick up signals that humans do not pick up.What can each of these species detect that humans cannot?

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

A leading theory of phantom limb pain holds that this experience is due to:

When Casey sees eight candies on the table that are placed like this ☼☼☼☼ ☼☼☼☼ she asks which two children get the candies.How would a Gestalt psychologist explain Casey's tendency to view the candy in two groups rather than as eight separate candies?

The center of the retina contains a mixture of about 75 percent rods and 25 percent cones.

Which of the following is a binocular cue to depth?

One reason that we are not aware of a blind spot in our field of vision is that our brain fills in the gap.

Visual receptors that are involved in color vision are called cones.

The sense of scents is more complex than the visual sensory system.

In regard to sound,a pure tone consists of several subwaves with different frequencies.

At the orientation for first year students,April felt overwhelmed by the number of people,the multiple conversations,and the forms that needed to be completed.April is experiencing:

The intensity of light is related to our perception of:

Which two senses keep us informed about the movement of our own body?

We never completely adapt to extremely intense stimuli,such as the odor of ammonia.

The sense of pain hinders,rather than helps,survival.

Sensation occurs when energy in the external environment or in the body stimulates receptors in the sense organs.

Pure tones are extremely rare in nature.

The fact that some perceptual processes appear to be innate doesn't mean that all people perceive the world in the same way.Describe in detail four psychological factors that can influence what we perceive and how we perceive it.

After a mysterious inflammation,Christina experienced irreversible damage to her _______________ nerve which at first left her as floppy as a rag doll.Although she eventually learned to use visual cues and willpower to sit and walk,she no longer experienced herself as physically embodied.