Exam 6: Sensation and Perception

The visual receptors are located in the _______________, which is located in the back of the eye.

When Brett walks out of the theatre into the glare of the sun, his _______________ gets smaller to let less light in.

Explain the concept of sensory crossover. Include a description of the rare condition called synesthesia.

The amount of light that gets into the eye is controlled by muscles in the _______________.

The difference threshold is:

Which of the following forms of coding is described in Müller's doctrine of specific nerve energies?

Which of the following physical characteristics of the sound wave corresponds to the psychological dimension of timbre?

The dimension of auditory experience related to the intensity of a sound wave is called _______________.

Why is it important to make a distinction between subliminal perception and subliminal persuasion? What has empirical research revealed about each?

Isaac lost a leg in Afghanistan after an improvised bomb exploded near him. Years later, he still has times when he feels intense pain that he perceives as coming from his missing leg. It is obvious that Isaac:

During a break from his job as a waiter, Bernardo begins to read Hamlet, and is so engrossed in the play that he fails to notice the clattering of dishes all around him. This is an example of _______________.

Although she is normally not aware of its existence, Ingrid discovers that she has a blind spot in her vision by closing one eye and focusing on a fixed point. What explains why Ingrid has this blind spot in her vision?

Despite the impressive sensory skills possessed by humans, the human senses are tuned into only a narrow band of physical energies. Discuss several species that are able to pick up signals that humans do not pick up. What can each of these species detect that humans cannot?

When you enter a dim room, the _______________ widens to let more light into the eye.

_______________ codes rely on the fact that sensory receptors and neurons fire, or are inhibited from firing, only in the presence of specific sorts of stimuli.

Keegan notices that his favourite 55-cent chocolate bar seems lighter than usual, so he checks the label and finds that it is lighter by 10 grams. He decides to buy a larger candy bar instead and doesn't notice that the 99-cent chocolate bar also is lighter than it used to be by 10 grams. Keegan's behaviour illustrates the fact that:

Discuss Vilayanur Ramachandran's work with phantom pain and his success with tricking the brain of an amputee with a simple mirror. How are his techniques being used today?

The actual "detectors" for taste are called _______________.

The gate-control theory helps to explain the perception of _______________.

The hair cells of the cochlea are embedded in the rubbery _______________.