Exam 3: Sensation and Perception

Describe the sensitivity and functioning of the skin senses. In your discussion, explain how scientists believe these senses work and explain the phenomenon of paradoxical heat.

The hammer is the closest of the three bones in the middle ear to the cochlea.

Jamie leaves a darkened movie theater and walks out into a bright light. Normally, it will take about ________ minute(s) for her rods and cones to adjust to the outside light.

The place in the retina where the axons of all the ganglion cells come together to leave the eye is called the ________.

Independent scientific studies have found that outside the laboratory, subliminal messages have ________ effects on behavior.

In the neural pathways connecting the eye to the brain, there are neurons that respond primarily to each of the following light patterns except ________.

Neurons in the eye that have only one axon and one dendrite and connect neurons from the retina to the ganglion cells are ________.

Define the concept of figure/ground and explain its role in the perceptual process. How is figure/ground affected by factors such as camouflage or reversible figures?

Humans and most other mammals have ________ sensory system(s) devoted to the sense of smell.

Rods and cones are found in the ________.

The theory that we have three pairs of color receptors and that the members of each pair oppose each other is known as the ________ theory.

Bundles of axons of ganglion cells make up the ________.

The one-to-one relationship between the specific nerve stimulated and the resulting type of sensory experience is referred to as ________.

Most people can distinguish about ________ hues.

Physical illusions and perceptual illusions are exactly the same. They are, in essence, two names to represent the same phenomenon.

The difference threshold is defined as the stimulus level at which a change in a sensory signal is detected ________ percent of the time.

When you stand to the side of a window frame, it casts a trapezoidal (nonrectangular) image on your retina. It still seems rectangular to you, though, because of ________.

According to McBurney and Collings, the average threshold for human taste is approximately 1 gram of table salt in ________ liters of water.

The smallest amount of a change in something's weight that we can detect is about ________ percent.

Helmholtz's explanation of color vision is called ________.