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Related Flashcards
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Cards In This Set
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Synesthesia
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Perceptual experience of one sense that is evoked by another sense
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Sensation
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Simple stimulation of a sense organ
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Perception
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Organization, identification, and interpretation of a sensation to form a mental representation
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Transduction
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What takes place when many senses in the body convert physical signals from the environment into encoded neural signals sent to the Central Nervous System
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Psychophysics
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Methods that measure the strength of a stimulus and the observer's sensitivity to the stimulus
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Absolute threshold
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The minimal intensity needed to barely detect a stimulus
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Just Noticeable Difference (JND)
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The minimal change in a stimulus that can barely be detected
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Weber's Law
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The Just Noticeable Difference is a constant proportion despite variations in intensity
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Signal Detection Theory
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The response to a stimulus depends on the person's sensitivity to the stimulus in the presence of noise and on the person's response criterion
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Sensory adaptation
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Sensitivity to a prolonged stimulation tends to decline over time as the organism adapts to current conditions
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Visual acuity
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Ability to see fine detail
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Light passes through the ______ to the _______ and to the _________
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Light passes through the pupil to the lens and to the retina
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Accomadation
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Process by which the eye maintains a clear image on the retina
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Retina
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Light-sensitive tissue lining the back of the eyeball
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Cones
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Photoreceptor cells in the retina that detect color, operate under normal daylight conditions, and allow you to focus on fine detail
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