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Chapter 3
Sensation is the ability to detect external stimuli using specific sensory receptors present in the eyes, ears, nose, skin, and taste buds. For instance, ...
Perception is the process through which sensory inputs are organized, interpreted, and consciously experienced. It involves interactions between sensory ...
Depth perception enables the perception of objects in three dimensions. It uses both binocular and monocular cues to create a sense of depth. Binocular ...
Light enters the eye through the cornea, a thin transparent layer that refracts light to help focus it as it enters the eye, directing the light towards ...
Researchers have developed two theories to explain color vision. The trichromatic theory suggests that color perception arises from three types of cone ...
The auditory system in the ear facilitates sound perception. Sound waves enter the outer ear and transmit through the ear canal, causing the eardrum to ...
Place theory and frequency theory are two primary theories that explain how the brain receives pitch information. Place theory suggests that the brain ...
The tactile sense is a sense of touch that can recognize sensations such as pressure, temperature, or pain through specialized receptors in the skin. For ...
Gestalt principles of perception explain how objects are naturally grouped together to form whole, organized patterns or shapes. It includes the following ...
Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal ...
Extrasensory perception, or ESP, is the ability to perceive events beyond the known senses, such as sight, hearing, and touch. Parapsychologists, ...
Perception is influenced by the perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, is the tendency to perceive ...
Perceptual constancy refers to the recognition that objects remain constant even when they appear different due to changes in lighting, distance, or ...
Parallel processing allows the brain to manage various sensory qualities, such as shapes, colors, movements, and depth, simultaneously. The information is ...
Pain is a crucial sensation that alerts the body to potential damage. Pain receptors are widely dispersed throughout the body, present in the skin, muscle ...
Visual agnosia is a condition where individuals can describe the shape and color of an object but cannot identify or recognize it despite having normal ...
Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close ...
Synesthesia is a condition in which the networks of interconnected neurons that process specific types of information for two or more senses are joined, ...
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