Unit 2 Part 1 Flashcards
Inattentional blindness
A failure to notice unexpected but perceptible stimuli in a visual scene while one’s attention is focused on something else
Perceptual set
A mental predisposition to perceive one thing and not another
Gestalt
An organized whole. Gestalt psychologists emphasized our tendency to integrate pieces of information into meaningful wholes.
Figure ground
The organization of the visual field into objects (the figures) that stand out from their surroundings (the ground)
Depth perception
Awareness of three-dimensionality, solidity, and the distance between the observer and the object.
Visual cliff
A laboratory device for testing depth perception in infants and young animals
Binocular cue
A depth cue, such as retinal disparity, that depends on the use of two eyes
Convergence
A cue to nearby objects’ distance, enabled by the brain combining retinal images
Retinal disparity
A binocular cue for perceiving depth. By comparing retinal images from the two eyes, the brain computes distance — the greater the disparity (difference) between the two images, the closer the object.
Monocular cue
A depth cue, such as interposition or linear perspective, available to either eye alone
Stroboscopic movement
An illusion of continuous movement (as in a motion picture) experienced when viewing a rapid series of slightly varying still images. (Think Steamboat Willy)
Assimilation
Interpreting our new experiences in terms of our existing schemas
Accommodation
(1) In sensation and perception, the process by which the eye’s lens changes shape to focus images of near or far objects on the retina. (2) In developmental psychology, adapting our current schemas (understandings) to incorporate new information.
Convergent thinking
Narrowing the available problem solutions to determine the single best solution
Divergent thinking
Expanding the number of possible problem solutions; creative thinking that diverges in different directions
Robert Sternberg
Known for his groundbreaking research into intelligence, love, creativity, and cognitive styles
Executive functions
Cognitive skills that work together, enabling us to generate, organize, plan, and implement goal-directed behavior
Algorithm
A methodical, logical rule or procedure that guarantees solving a particular problem. Contrasts with the usually speedier — but also more error-prone — use of heuristics.
Heuristic
A simple thinking strategy — a mental shortcut — that often allows us to make judgments and solve problems efficiently; usually speedier but also more error-prone than an algorithm
Insight
A sudden realization of a problem’s solution; contrasts with strategy-based solutions
Confirmation bias
A tendency to search for information that supports our preconceptions and to ignore or distort contradictory evidence
Fixation
The inability to see a problem from a new perspective; an obstacle to problem solving.
Phi phenomenon
An illusion of movement created when two or more adjacent lights blink on and off in quick succession
Perceptual constancy
Perceiving objects as unchanging (having consistent color, brightness, shape, and size) even as illumination and retinal images change.