Ch 4 Sensation And Perception Flashcards
Binding problem
Refer to the process used by the brain to combine the results of many sensory operations into a single percept.
Feature detector
Cells in the cortex that specialize in extracting certain features of a stimulus
Bottom-up processing
Perceptual analysis that emphasizes characteristics of the stimulus, rather than our concepts and expectations. Stimulus-driven processing
Top-down processing
Perceptual analysis that emphasizes that the perceiver’s expectations, concepts memories, and other cognitive factors, rather be driven by the characteristics of stimulus. Conceptually driven processing
Perceptual constancy
The ability to recognize the same object as remaining “constant” under different conditions, such as changes in illumination, distance, or location.
illusion
When your mind deceives you by interpreting a stimulus pattern in a manner that is demonstrably incorrect.
Ambiguous figures
Images that are capable of more than one interpretation. There is no “right” way to see an ambiguous figure
Sensation
The process by which stimulation of a sensory receptor produces neural impulses that the brain interprets as a sound, a visual image, an odor, a taste, a pain, or other sensory image. Sensation represents the first series of steps in processing of incoming information.