Exam 5: Sensation and Perception

Sensory __________ carry information as a coded signal from your sensory organs to your brain.

How many basic taste sensations do human beings have according to the most recent research?

Which of the following type of visual receptor is found everywhere in the retina except the fovea?

Which theory of pain suggests that there are mechanisms in the spinal cord that can either "permit" or "block" pain messages from getting to the brain?

Several years ago there was a national furor of religious interest when the image of Mother Theresa was "spotted" in the swirls of a cinnamon roll.This was especially interesting because Mother Theresa was being considered for canonization (sainthood)at the time.Some people who saw a picture of the cinnamon roll immediately saw the image,while others who had not heard of the story didn't understand what the fuss was all about.For some people,seeing the image that they expected to see can be explained by the presence of a __________.

You are stopped at a red light while driving your car,and you observe a group of four people walking in the same direction.Which Gestalt principle explains why you will tend to assume that these four people are "together," just because they are moving in the same direction?

Prosopagnosia is a visual disorder that impairs an individual's ability to recognize faces.Given your knowledge of sensation and perception,you can deduce that the area of the brain most likely to contribute to this impairment is the __________ face area.

When light enters the human eye,what is the correct order of structures through which that light passes?

_________ processing refers to our use of beliefs,experiences,expectations,or other concepts to shape our view of the world.

The aperture,or opening,in the center of the iris is called the __________.

When you are referring to the sharpness of vision that an individual experiences,you are talking about her visual __________.

The size of an individual's pupil is controlled by their __________.

The __________ threshold is the minimum difference between two stimuli needed to detect the difference 50% of the time.

Why do you often lose your sense of taste when you have a bad cold and are very congested?

Which of the following is a type of photoreceptor found in the retina?

What is the optic chiasm?

The ability of your lens to change its thickness and curvature to adapt to images both near and far is called visual __________.

The __________ of your eye is sort of like a movie screen at a cinema,as it is that onto which light gets projected.

In the movie DareDevil,the main character suffered an injury to his eyes,and for the rest of his life was able to "see sounds." His interpretation of one sort of sensory input as another type of perception demonstrates __________.

What is the name of the membrane that runs the length of the cochlea and has auditory receptors (in the form of hair cells)on its surface?