Nat.Sensation&Perception
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| Sensation | show 🗑
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| Perception | show 🗑
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| Bottom-up processing | show 🗑
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| show | Information processing guided by higher-level mental processes, as when we construct perceptions drawing on our experience and expectations.
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| show | The minimum stimulation needed to detect a particular stimulus 50 percent of the time.
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| show | Predicts how and when we detect the presence of a faint stimulus(signal) amid background stimulation(noise). Assumes there is no single absolute threshold and that detection depends partly on experience, expectations, motivation, and level of fatigue.
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| show | Below one's absolute threshold for conscious awareness.
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| Difference threshold | show 🗑
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| show | The principle that, to be perceived as different, two stimuli must differ by a constant minimum percentage (rather than a constant ammount).
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| show | Decreasing responsiveness to stimuli, due to constant stimulation.
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| Feature detectors | show 🗑
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| Constancy (size, shape, color) | show 🗑
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| Sensory habituation | show 🗑
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| Cocktail-party phenomenom | show 🗑
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| Kinesthesis [kin-ehs-THEE-sehs] | show 🗑
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| Vestibular sense | show 🗑
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| show | high priority pain messages open the neurological "gate" that blocks pain signals and allows them to pass on to the brain while blocking lower priority pain messages
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| show | chemical sense of taste
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| show | chemical sense of smell
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| show | objects that are close together are likely to be perceived as belonging in the same group
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| Similarity | show 🗑
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| Continuity | show 🗑
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| show | Like top-down processing, objects that make a recognizable image are likely to perceived even if the image contains gaps that the mind fills in
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| Gestalt rules | show 🗑
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| Perceptual set | show 🗑
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| Transduction | show 🗑
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| Energy senses | show 🗑
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| Chemical senses | show 🗑
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