Exam 3: Sensation and Perception

Which of the following is the unit of measurement for assessing loudness?

Jennifer is a chain smoker.When her friend Irene, a non-smoker, gets in the car with Jennifer she is overwhelmed by the smell of smoke.One day she mentioned this fact to Jennifer, who was surprised by the comment.Jennifer claims that when she sniffs her hair and clothing she can't sense the smoky scent.Jennifer's inability to detect the smoky scent is an example of

Although the volume of the television is low, Katherine does not hear her phone ring when she is watching a movie that she likes.In this scenario, Katherine is demonstrating

In order to get a good idea of an object's depth, we rely on a number of binocular and monocular cues.Which of the following would be an example of a binocular cue?

The _____ senses provide information about movement, posture, and orientation, whereas the _____ senses provide information about balance and movement.

As you walk barefoot in the park, your nose conveys to your brain the smell of the freshly cut grass; your skin sends information about the feel of the gentle breeze; and your ears transmit the sound of children laughing on the playground to your auditory cortex.This process of detecting stimuli in the environment is called

The _____ theory states that cells in the visual system respond to complementary pairs of red-green and blue-yellow colors; a given cell might be excited by red and inhibited by green, whereas another cell might be excited by yellow and inhibited by blue.

The factor that differentiates top-down processing from bottom-up processing is that, top-down processing

Gary is watching a movie.He can hear the dialogue at all times except when the actors are whispering in a scene.This is because the actors' whispers are too soft for Gary to hear.In other words, the whispers are most likely below the level of Gary's

In the visual system, the main function of rods and cones is to

You touch a baby's forehead and realize that he feels warm and must have a fever.What type of sensory receptors relayed information about the baby's temperature to your brain?

Cones

Endorphins are

Daniel conducts an experiment to see whether he can taste a quarter teaspoon of sugar dissolved in a glass of water.The same quantity of water is used for ten trials.Five out of ten times, Daniel does detect the taste of the sugar in the water.His taste of the sugar five out of ten times represents his

The _____ is the area on the retina where there are no rods and no cones.

Which of the following is a disadvantage of the trichromatic theory of color vision?

The _____ is a transparent and somewhat flexible, disklike structure filled with a gelatin-like material.

Describe the distinction between an absolute threshold and a difference threshold.

Tina was born with hearing impairment.When Dr.Albert studied the physiology of her auditory system, he found that Tina's eardrums were intact and were receiving auditory stimulus.However, the stimulus was not moving forward from the eardrums and was not reaching the inner ear.Which of the following conclusions is Dr.Albert most likely to have drawn from these findings?

You arrive at your friend's apartment for a big party at the end of the semester.When you first arrive, the music is so loud that it almost hurts your ears.After a couple of hours, even though the music is still at the same volume, it no longer bothers you or seems that loud.This change in your sensations describes the process of