Exam 6: Exstintion: Sensation and Perception

The smallest bones in the human body are found in the middle ear.

Perception is defined as the detection of physical energy emitted or reflected by physical objects.

In Chapter Four we learned that the peripheral nervous system had bundles of nerve fibers (axons and sometimes dendrites).Most of these nerves enter and leave the spinal cord,but the cranial nerves connect directly to the brain.Describe the role played by the cranial nerves that are involved in the senses of vision,hearing,and smell.

Discuss Vilayanur Ramachandran's work with phantom pain and his success with tricking the brain of an amputee with a simple mirror.How are his techniques being used today?

Cats see well in dim light because they have a high proportion of cones compared to rods.

Peggy cannot see a star as she is looking straight up at it,but she can see it from the corner of her eye.Peggy's vision is most likely:

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

Explain the concept of sensory crossover.For most of us,the senses remain separate.Describe the rare condition called synesthesia.

The hair cells of the cochlea are embedded in the rubbery:

When we vigorously rub a banged elbow,we are applying the principle of:

Our senses are designed to respond to change and contrast in the environment.

In mammals,special feature-detector cells in the visual cortex respond to different patterns and specialties.

The wavelength of light is related to our perception of:

What are the four basic tastes? What fifth taste has been proposed? What do the authors mean when they say that people live in "different taste worlds"?

Air serves as the only transmitting substance for sound waves.

Use your imagination to create an example of a real-world application of signal detection theory.

The amount of light that gets into the eye is controlled by muscles in the:

Sense receptors for smell,pressure,pain,and temperature are:

_______________ is concerned with how the physical properties of stimuli are related to our psychological experience of them.

The center of the tongue contains no taste buds and cannot produce any taste sensation.