AP Psychology. 2.3 Sensation and Perception. Sensation. Process by which our sensory receptors respond to light, sound, odor, textures, and taste Our eyes, ears, nose, tongue, and skin comprise an elaborate sensory system that receives and processes information from the environment. Sensation.
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2.3 Sensation and Perception
… into neural impulses that are transmitted to the brain.
Photoreceptors in the retina
Sensitive to colors and bright light
Concentrated in the center of the retina (fovea)
Images that do not fall on the fovea tend to be perceived as blurry or indistinct
Nerve (Sensorineural) Deafness
Caused by damage to the cochlea, hair cells, or auditory nerve
Exposure to noises such as headphones playing at full blast can damage cells and cause permanent hearing loss
Hearing aids cannot help nerve deafness since damage to hair cells and auditory nerve is almost always irreversible