This theory suggests that we are more likely to experience a sensation if we have heightened expectations, motivations, and alertness affected by the intensity of our psychological and physiological states
Signal Detection Theory
In an example from class, you saw lines that were near circles appearing to look like dumbbells: this was an example of the Gestalt principle of
Connectedness
Originally the Visual Cliff was thought to illustrate a fear of heights, but what does it actually show?
How babies develop depth perception
The sum of an object is greater than each individual part
Gestalt Principles
The Opponent Process theory suggests that when we stare at lights, we see lights of the opposite color. The lights we see are the
After image
The decrease in physiological sensitivity to our senses due to an unchanging stimulus is called
Sensory Adaption
The smallest amount of stimuli that can be detected 50% of the time
Absolute Threshold
This is the perception that a group of objects moving in the same direction are going to the same place
Common Fate
This theory of color perception suggests that color receptors come in pairs: red/green, blue/yellow, and black/white
Opponent Process Theory
The Gestalt principle that suggests we group items together by their distance from one another
Proximity
The Gestalt principle that suggests we prefer to see smooth, "happy" lines
Continuity
Who were the two researchers that originally created the Visual Cliff experiment?
Gibson and Walk
This is the process by which we turn sensory information into electrical signals
Transduction
The Gestalt principle that suggests we are able to see two figures is within images. Some are in the positive space and some are in the negative space
Figure-Ground
The Gestalt principle that suggests we group objects together by how closely they look like one another
Similarity
The Gestalt principle that suggests our brains will complete figures despites having all of the lines drawn for them
Closure
This is a type of subliminal messaging in which phrases are perceived when sounds are played backwards
Backmasking
What part of our eyes contains the vast majority of our cones?
Fovea
Young and Helmholtz created a theory of color that suggests this
We have 3 color receptors: Red, blue, and green
What does Weber's law state
For a JND to occur the stimulus must increase by a constant proportion
These are stimuli that are below are threshold of conscious awareness
Subliminal messages