Chapter 3 Psychology senstation

What are the sense organs?

• Eyes

• Ears

• Nose

• Skin

• Tastebuds

Just noticeable difference (JND) is___

• the smallest difference between two stimuli that is detectable 50 percent of the time

• the smallest amount of energy needed for a person to consciously detect a stimulus 50 percent of the time it is present

Absolute threshold is ____

• the smallest difference between two stimuli that is detectable 50 percent of the time

• the smallest amount of energy needed for a person to consciously detect a stimulus 50 percent of the time it is present

Explain why some sensory information is ignored

• Habituation: the tendency of the brain to stop attending to constant, unchanging information

• Unwillingness: The brain refuse to take in imformation from the external environment

• Sensory adaptation: the tendency of sensory receptor cells to become less responsive to a stimulus that is unchanging

__________ involves the detection of physical stimuli from our environment and is made possible by the activation of specific receptor cells.

• sensation

• sublimination

• perception

• adaptation

After being in class for a while, _______ is a likely explanation for not hearing the sound of the lights buzzing above you until someone says something about it.

• Habituation

• Sensory adaptation

• Transduction

• Sublimation

You are drinking a strong cup of coffee that is particularly bitter. After a while, the coffee doesn't taste as strong as it did when you first tasted it. What has happened?

• Sensory adaptation

• Sublimation

• Habituation

• Perceptual defense

Light is made up of _____

• Wave

• Particles

• All of the above

• None of the above