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| The means by which sensory information from the environment is conveyed to the brain |
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| The way the brain attends to and interprets information from the 5 senses |
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| Hearing, sight, smell, taste, touch |
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| Detect change in the environment |
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| Detect light falling on the retina in the eye |
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| Detect sound and tactile sensations |
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| Are scattered throughout the body to detect changes in temperature |
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| The surface of the eyebaall |
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| The colored part of the eye |
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| Contains the photoreceptors |
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| Carries information from the eye to the brain |
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Located at the center of the retina in an area called the macula
Require higher levels of light and allow for more detailed vision and color perception |
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| Where the lens commonly focuses the image |
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18:1 ratio to cones.
Scattered around the periphery of the retina.
Operate in low levels of light and are not sensitive to color |
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| Based on studies of nocturnal and diurnal animals. Nocturnal animals have mostly rods; diurnal animals have rods and cones. |
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| Says we can perceive color because we have three types of specialized cones which receive and blend three basic colors: Red, blue, and green. |
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| Three kinds of specialized cones. The first responds to the presence of light. The second responds to frequencies on a red-green continuum, and the third responds to frequencies on a yellow-blue continuum. |
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| Picks up sound waves from the air |
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| Contains tissues and bones which pick up vibrations and cause pressure changes. |
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| Contains tiny hair cells which detect pressure changes and send information along the auditory nerve to the brain |
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| Results when sound waves are unable to reach the cochlea (Causes include any type of blockage or damage to the tissues and bones of the mmiddle ear) |
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| Results from damage to the cochlea or auditory nerve. |
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| Sweet, sour, salty, and bitter. |
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Primary receptors for taste.
Located mainly on the tongue |
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| Feelings aroused by movements of muscles, tondons, and joints. It provides the brain with information about the body's movements and internal sensations. |
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| One's sens of bodily orientation and postural adjustment. It is tied in with the vestibular and semicircular canals of the cochlea. |
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| Results from exposed nerve endings scattered throughout the body which are stimulated when the body is damaaged so that the brain can be alerted. |
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| The perceptual interpretation of cues in the environment indicating how far away an object is. |
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| Cues used by only one eye |
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| Parallel lines appear to converge in the distance |
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| Objects that are behind other objects are perceived as being farther away |
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| With objects that are the same size, closer ones appear larger |
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| Closer objects show more detail |
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| Dust and haze in the atmosphere reduce the clarity of distant objects, causing colors to appear pastel and outlines hazy |
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| The distribution of shadows on an object provides information about which parts are closer or farther away. |
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| If you move your head from side to side, closer objects appear to move and distant ones do not |
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| The eyeballs tend to converge on close objects and turn out on distant ones |
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| Strongest cue for judging depth at distances of 25 feet or less. Objects within the distance strike the retina of each eye at significantly different spots. |
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| The learned perception that an object remains the same size despite the fact that the image it casts upon the retina may vary with its distance from the retina. |
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| The learned perception that an object remains the same shape despite the fact that the image it casts upon the retina may vary with the viewing angle |
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| The learned perception that objects maintain their brightness independently of lightning |
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| The process by which thoughts are transfered from one person to another |
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| The ability to recognize objects or events that are not impinging on the normal sensory receptors |
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| The ability to predict future events |
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| The ability to move objects with one's mind |
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