Exam 4: Sensation and Perception

A(n)_____ threshold is the stimulus intensity that is detected 50% of the time.

The cochlea is a:

The sorting out,interpretation,analysis,and integration of stimuli by the sense organs and brain is known as _____.

_____ is series of principles that describe how we organize bits and pieces of information into meaningful wholes.

Which of the following ear structures is correctly matched with an auditory or body sense?

A snack manufacturer realizes that he must increase the salt content of his company's chips by 3% in order for a sample of consumers to notice that the chips are saltier than they were before.This example most nearly illustrates the concept of a(n):

You turn your head to look directly at an unusual butterfly your friend spotted in the garden.In doing so,you ensure that the insect's image falls on your _____.

Suppose you stare at an illustration of the American flag for a while,then glance at a blank white page.The red stripes look green when you glance at the blank page because:

_____ is a basic law of psychophysics stating that a just noticeable difference is a constant proportion to the intensity of an initial stimulus.

Briefly describe the Gestalt principles of similarity,proximity,and closure.Provide simple diagrams illustrating each of these principles.Explain how each principle relates to the fundamental Gestalt principle of simplicity.

Perception that consists of the progression of recognizing and processing information from individual components of a stimuli and moving to the perception of the whole is known as _____.

Mark and a Jacob are driving home on a college break.Mark is in the passenger seat.Bored,Mark gazes into the middle of an empty field.He notices that distant hilltops seem to move slowly in the same direction in which their car is moving; by contrast,mile markers on the side of the highway seem to whiz past them in the opposite direction.The difference in the apparent speed and direction of objects' motion serves as a depth cue termed motion:

Consider the figure within parentheses: (XX XX XX).That we perceive three pairs of Xs reflects the Gestalt principle(s)of:

Gustation is to olfaction what _____ is to _____.

As compared to cones,rods:

Briefly describe how the sense of smell works including the role receptors play.What is one form on chemical communication discussed in the text that operates via smell?

Write a note on top-down processing and bottom-up processing.

Which of the following statements is TRUE about the place theory and the frequency theory?

Weber's law states that a just noticeable difference is a _____.

Which of the following most closely approximates the meaning of the term noise as psychophysicists use it?