AP Psychology - unit 4: Sensation and Perception

Absolute threshold

The minimum amount of stimulation a person needs to detect a stimulus 50% of the time is called the ______.

Young-Helmholtz theory

(Type of theory) The retina contains three kinds of color receptors

Below one's absolute threshold for awareness

A subliminal message is one that is presented...

Sensory receptors

Bottom up processing involves analysis that begins with the _____.

Sensory adaptation

Diminished sensitivity to an unchanging stimulus is known as....

Accomodation

Process by which the lens changes shape to focus images on the retina

Detection; interpretation

Sensation is to ______ as perception is to ________.

Perception

The process by which we select, organize, and interpret sensory information in order to recognize meaningful objects and events is called _________.