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- https://socialsci.libretexts.org/Bookshelves/Psychology/Cognitive_Psychology/Cognitive_Psychology_(Andrade_and_Walker)/10%3A_Perception/10.04%3A_Top-Down_vs._Bottom-Up_(Conceptually-driven_vs._Data-driven_processing)Perception is the process by which sensory information is organized, interpreted, and consciously experienced, involving both bottom-up (sensory input-driven) and top-down (knowledge and experience-in...Perception is the process by which sensory information is organized, interpreted, and consciously experienced, involving both bottom-up (sensory input-driven) and top-down (knowledge and experience-influenced) processing. Sensation is the physical detection of stimuli, while perception is the psychological interpretation of those stimuli. Not all sensations lead to perception due to sensory adaptation, where prolonged, constant stimuli become less noticeable.
- https://socialsci.libretexts.org/Bookshelves/Psychology/Cognitive_Psychology/Cognitive_Psychology_(Andrade_and_Walker)/10%3A_Perception/10.07%3A_SynesthesiaSynesthesia is a condition where a stimulus in one sensory area triggers a sensation in another. Observed by Galton in the 19th century, it appears in about 4% of the population and is often hereditar...Synesthesia is a condition where a stimulus in one sensory area triggers a sensation in another. Observed by Galton in the 19th century, it appears in about 4% of the population and is often hereditary. Commonly, individuals experience colors associated with letters or sounds. The condition is stable over time for individuals, though different people may perceive different colors for the same stimuli. It can sometimes arise from sensory deprivation, leading to cross-activation in the brain.
- https://socialsci.libretexts.org/Bookshelves/Psychology/Cognitive_Psychology/Cognitive_Psychology_(Andrade_and_Walker)/10%3A_Perception/10.01%3A_Sensation_vs._PerceptionSensation and perception are closely related processes where sensation involves sensory input about the physical world and perception involves the brain's organization and interpretation of these sens...Sensation and perception are closely related processes where sensation involves sensory input about the physical world and perception involves the brain's organization and interpretation of these sensations. Perception can vary among individuals due to differences in learning, memory, emotions, and expectations. This module explores the distinction between these processes, discusses how sensory information is processed by the nervous system, and introduces Gestalt theory.
