Exam 6: Exstintion: Sensation and Perception

Hubel and Wiesel identified neurons in visual cortex that responded to lines at a particular orientation. These cells are called:

The slight difference in lateral separation between two objects as seen by the left eye and the right eye is called:

Hue is related to the _______________ of light.

In the gate-control theory of pain,the brain is also capable of generating pain entirely on its own.

In _______________,the visual cortex contains cells that respond maximally to bull's-eyes,spirals,or concentric circles.

Research on our sense of smell has not found any scent that is more basic than any other.

When light contains every wavelength,it is said to be "pure."

Contrast the reactions of adults who were born deaf and then received cochlear implants to the reactions of adults who became deaf later in life and then received the implants.

When an observer is moving,objects appear to move at different speeds and in different directions.

There are about 120 to 125 million rods and about 7 or 8 million cones in the retina.

Like human infants,kittens are born with the ability to detect horizontal lines and vertical lines.In one famous study,kittens were exposed to either vertical or horizontal black and white stripes.Special collars kept them from seeing anything else,even their own bodies.Describe the results of this research study.

After taking your best friend to the airport,you stay to watch the plane take off.As you watch it,the plane seems to become smaller and smaller.Why is it that you don't perceive the airplane,and your friend,as shrinking? Briefly explain how this works.

All of the following are non-visual factors that influence distance perception EXCEPT:

As Shane stands between the railroad tracks,the rails appear to converge in the distance.This cue to inferring depth and distance is called:

All of the human senses evolved to help us survive.

Hue,brightness,and saturation are all physical properties of the visual stimulus,light.

Which of the following is NOT true about sensory deprivation?

Rods and cones are connected by _______________ to bipolar neurons.

The Gestalt psychologists belonged to a movement that began in Germany and became influential in the 1920s.What does the word "Gestalt" mean in German and why is it well suited to this theory? How did Gestalt psychologists study the organization of the visual world? Name four Gestalt principles and give an example that illustrates each principle.

Procedures to determine absolute thresholds have a serious limitation based on the person's general tendency to respond either "yes" or "no" when uncertain.