Chapter 6 Sensation and Perception

1. Sensation is to _______________ as perception is to_________________.

• a. absolute threshold; difference threshold

• b. bottom-up processing; top-down processing

• c. interpretation; detection

  
  

• d. grouping; priming

  
  

subliminal stimuli are

• a. too weak to be processed by the brain

• b. consciously perceived more than 50 percent of the time.

  
  

• c. strong enough to affect our behavior at least 75 percent of the time.

  
  

• d. below our absolute threshold for conscious awareness

The process by which we organize and interpret sensory information is called?

• Perception

• sensory adaptation.

  
  

• priming ability.

  
  

• distance.

  
  

Weber’s law states that for a difference to be perceived, two stimuli must differ by

• a. a fixed or constant energy amount.

  
  

• b. a constant minimum percentage.

• c. a constantly changing amount.

  
  

• d. more than 7 percent.

 Sensory adaptation helps us focus on

• a. visual stimuli.

  
  

• b. auditory stimuli.

  
  

• c. constant features of the environment.

  
  

• d. important changes in the environment.

  
  

Our perceptual set influences what we perceive. This mental tendency reflects our

• a. experiences, assumptions, and expectations.

  
  

• b. sensory adaptation.

• c. priming ability.

  
  

• d. difference thresholds.

  
  

Another term for difference threshold is the

• color.

  
  

• just noticeable difference

•  brightness.

  
  

• meaning.

  
  

Some nocturnal animals, such as toads, mice, rats, and bats have impressive night vision thanks to having many more _____ than _____ in their retinas. These creatures probably have very poor color vision.

The amplitude of a light wave determines our perception of

• brightness.

  
  

•  color.

•  meaning.

• distance.

The blind spot in your retina is located where

• there are rods but no cones.

  
  

• there are cones but no rods.

  
  

• the optic nerve leaves the eye.

•  the bipolar cells meet the ganglion cells