Exam 4: Sensation and Perception

During an intense game of volleyball,Shay slipped and banged her knee on the floor."Ouch!" she cried,as she wishes her brain would produce more ____.

You know that your friends Manuel and William are the same height.You use the fact that Manuel's image on your retina is smaller than William's to conclude that Manuel must be farther away from you.Which depth cue are you using?

You wake up in the middle of the night.As you look about your dark bedroom,you can see the outline of a pile of your clothes sitting in a ball on a chair.You are seeing the clothes with your ____.

A newborn baby will probably use ____ more than an adult.

Dee says that she has developed special sunglasses to enable people to see light with wavelengths of 550-700 nanometers.Would these be useful for humans?

The perceived size of an object remains constant as it moves closer because the perceived distance ____ at the same rate that the retinal image ____.

The process of translating the physical properties of a stimulus into a pattern of neural activity that allows us to identify those properties is known as ____.

Brittany observed that the people having conversations on cell phones are quite loud-spoken,while those having conversations on pay phones were quite soft-spoken.Those using cell phones are producing a higher ____ of sound waves than are those using pay phones.

In a freak accident involving ice,a potato gun,and a ballpoint pen,Justin damages part of his ear.Now Justin can no longer generate vibrations that match the sound waves entering his ear.Justin has most likely damaged his ____.

During a war,soldiers wear camouflage clothing to avoid being perceived by enemies.The perceptual cue that is being manipulated in this case is ____.

Oscar likes to run at night.Even though it is dark,Oscar can see because his eyes have specialized cells that convert the low levels of light energy into neural activity.These cells are known as ____.

Mr.Wizard introduces the children on his TV show to accessory structures of our sensory systems.He tells them these structures are responsible for ____.

A psychologist conducts an experiment in which he presents tones to subjects at various levels of intensity (that is,soft,moderate,and loud).The point at which the tone can be detected 50 percent of the time is known as the ____.

Azul's job is to create an exhibit at the science museum that lets people walk through a giant "eye" so they can understand how it works.The current group of visitors has stepped through the pupil to see a structure that bends light rays and focuses them onto a surface at the back of the eye.This structure that bends and focuses the light rays is known as the ____.

The ____ theory best explains the phenomena of complementary colors.

Pierre is painting a picture and would like to make the bear in the painting appear closer than the forest.One way he could do this is by using the principle of ____.

Nine-month-old Keisha watches her ball bounce down the stairs.As she approaches the top of the stairs,she backs up and hesitates to go down the stairs.This indicates that Keisha has developed ____.

On Saturday,Elbert walked through a crowd at the state fair in a small town in Illinois.On Monday,he walked through a crowded train station in a large crime-ridden city.In both situations,Elbert felt someone brush up against his back pocket.Elbert is more likely to detect that someone is stealing his wallet while in the large city than in the small town due to his lower ____.

During his adventures around the galaxy,Arthur Dent relies on an earpiece that deciphers all the strange alien languages he hears.Similarly,receptors in the ear encode sound waves into neural activity that the brain can understand,a process called ____.

Angie is trying to take notes in her class but finds it difficult because of the loud "I Love Don Ho!" Hawaiian shirt that her TA is wearing.Instead of staring intently at her TA's shirt,she should use ____ orienting to move her eyes from the shirt to the notes on the blackboard.