1000 chapter 4 sensation / perception

Perception is the stimulation of our sense organs by the outer world.

• True

• False

Kenny's home is located on a busy street. He used to feel constantly disturbed by traffic noise. However, over time, he has gotten used to this noise and has no trouble sleeping. What is Kenny experiencing?

• boredom

• perceptual constancy

• sensory adaptation

• accommodation

Transduction is the

• act of organizing and interpreting sensory experience.

• conversion of physical into neural information.

• diminishing ability of sensory adaptation.

• habituation of our sense organs to the outer world.

___is the study of how people perceive physical stimuli such as light, sound waves, and touch

The lowest intensity levels of a stimulus a person can detect half of the time is known as...

Brenda asks Brandon if he heard her cell phone ring. Brandon tells her that it didn't. Brenda, convinced that she heard it, rushes to her room to check, but she finds that the phone indeed did not ring. Signal detection theorists would label Brenda's perception of the cell phone ringing as a

• perceptual rejection

• miss

• false alarm

• false detection

...takes into account both stimulus intensity and the decision-making processes people use in detecting a stimulus

• Signal detection theory

• Stimulus process theory

• Top-down processing

• Bottom-up processing

A _____ refers to the failure to detect a stimulus that is present.

What is a difference threshold?

• It is the smallest amount of change between two stimuli that a person can detect half of the time.

• It is the highest amount of physical stimulation that an individual can detect half of the time.

• It is the process by which the brain organizes and interprets sensory experience.

• It is the lowest level of a physiological stimulus that humans can sense half of the time.

Which of the following describes Weber's law?

• The size of a JND in stimuli perception is a constant fraction of the intensity of the stimulus.

• What an individual sees and hears is completely dependent on her or his perception and desire.

• Muscles control the shape of the eye's lens to adjust to viewing objects at different distances.

• The texture of a surface becomes more tightly packed together and dense as the surface moves to the background.