Exam 2 Flashcards
(6 cards)
Why are Cognitive Psychologist interested in perception?
because cognition is presumed to be a consequence of external events, sensory detection is influenced by previous experiences, and knowledge about sensory experience may tell us how information is abstracted at the cognitive level.
What is sensation?
it refers to the relationship between the physical world and its detection through the sensory system.
What is perception?
involves higher-order cognition in the interpretation of sensory signals.
When do illusions occur?
when one’s perception of reality is different from “reality.” Illusions are often caused by expectations based on past experiences.
What does the perceptual process consist of?
detection and interpretation of reality as determined by the stimulus sensed, the structure of the sensory system and brain, and previous knowledge
What are studies of perceptual span trying to deduce?
the basic question of how much we can experience from a brief exposure