Exam 5: Sensation and Perception

Which of the following is not one of the "skin senses"?

In which general area of the brain is visual information processed?

You come home from middle school one afternoon with a report card that boasts all A's.You can't wait to show your grandmother,who has recently been visiting from out of town.When you hand her the report card,she has to hold it at arm's length in order to read it,because the lenses of her eyes are no longer able to accommodate to objects that are nearby.This eye condition,called __________,is very common on older people.

Which of the following has been found to have a negative effect on our olfactory system?

Because you are bored one afternoon,you decide to try a little experiment.You open your eye very wide,extend your thumb,and then poke yourself in the eye.Aside from being very foolish and in a lot of pain,you may learn something about your eye when you engage in this masochistic behavior.The very first thing your thumb would touch as it made contact with your eye would be the __________.

Perceiving stimuli in a way that is influenced by our experiences and expectations is known as bottom-up processing.

Seeing is to "vision" as hearing is to "__________."

As Cecilia is getting ready for the orchestra performance in which she is about to participate,she takes time to tune her violin.She listens carefully to the pitch of each string,which is indicated by the __________ of the sound wave it produces,to determine if she needs to make an adjustment in the instrument.

When attention is directed by external stimuli,it is referred to as __________.

When you think of sensation and perception,you think of your home mail service.When the mail is delivered to your home,the postal worker puts it in your mailbox.You then take the various letters,magazines,and postcards and sit down to read them,deciding which is important and which is junk.In this scenario,the delivery of mail to your mailbox is analogous to __________.

Just like bats,human beings are capable of echolocation.In fact,this skill assists our sense of audition.

The feature __________ theory suggests that people organize stimuli based on knowledge of how their features should be combined.

A __________ cell is a feature detector that only responds to a single feature of a stimulus.

The __________ threshold is the smallest amount of energy needed for a person to detect the presence of a stimulus 50% of the time.

Feature __________ are specialized brain cells that only respond to particular elements in an individual's visual field.

What is "Umami?"

Weber's Law describes the fact that the human brain organizes perceptual information in the simplest possible manner.

In a very unfortunate farming accident,Jerry had to have his left leg amputated.Even though he was fitted with a prosthetic and learned to adapt to having only one real leg,Jerry would occasionally "feel" pain in his amputated limb.This sort of pain,called phantom limb pain,is an example of __________ pain.

Mitzi likes to arrange her pantry in a very specific order.The soups that she likes are all grouped together,as are the snacks,pastas,and cookies.In the very same way,the primary auditory cortex is organized in a __________ arrangement,which means that neurons grouped together based on the frequencies to which they prefer to respond.

When you think of sensation and perception,you think of your home mail service.When the mail is delivered to your home,the postal worker puts it in your mailbox.You then take the various letters,magazines,and postcards and sit down to read them,deciding which is important and which is junk.In this scenario,the process of sorting through the mail,deciding what is important and what is junk is analogous to ___________.