Midterm Flashcards
(51 cards)
What is top-down processing?
Perception starts with interpretation of sensory information based on prior experience and knowledge (expectancies).
What is bottom-up processing?
Perception starts with raw input from our senses and builds up to higher-level understanding.
What are Gestalt Principles?
Psychological principles explaining how we perceive patterns and objects as unified wholes.
Define the Gestalt principle of proximity.
Objects close together are grouped together.
Define the Gestalt principle of similarity.
Similar objects are perceived as part of a group.
Define the Gestalt principle of continuity.
Tendency to perceive a series of points or a broken line as having unity.
Define the Gestalt principle of closure.
Our minds fill in gaps to perceive a complete image.
Define the Gestalt principle of orientation.
We perceive objects aligned in the same direction as a group.
Define the Gestalt principle of simplicity.
We perceive the simplest possible structure.
What is inattentional blindness?
Observers often fail to report the presence of unexpected items when attending to a particular object or event.
What is change blindness?
People are poor at noticing large changes when these occur simultaneously with a visual disruption.
What is selective attention?
Ability to select a particular input for conscious processing.
What does SEEV stand for?
Salience, Effort, Expectancy, Value.
What is salience in the context of SEEV?
The extent to which an event stands out.
What is effort in the context of SEEV?
Cost of moving attention from one area to another.
What does expectancy refer to in SEEV?
The likelihood of seeing an event at an area.
What is value in the context of SEEV?
Importance of attending to an event at an area.
Define foveal vision.
Visual focus covering 2 degrees of visual angle.
What are saccadic eye movements?
Rapid jumps between stationary objects.
What is dwell time?
The total time spent on or attending to an area, object, or resource.
What is divided attention?
Ability to attend to several inputs in parallel.
What is the Multiple Resource Theory?
Tasks using different resources interfere less than tasks using the same resources.
What is focused attention?
Ability to suppress unwanted sources of input.
What is the difference between mistakes, slips, and lapses?
Mistakes are errors of commission; slips are incorrect executions; lapses are forgotten actions.