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FREQUENCY THEORY - PERCEPTION deciphering meaningful...

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FREQUENCY THEORY: pitch is determined by the frequency with which hair cells in the cochlea fire VOLLEY PRINCIPLE: refinement of frequency theory-receptors in ear fire in sequence with one group responding, then a second, then a third and so on, so that complete pattern of firing corresponds to the frequency of the sound wave OLFACTORY BULB: smell centre in brain PHEROMONES: chemical that communicates information to other organisms through smell-pheromones can have specific and powerful effects on behaviour TASTE BUDS: structures on tongue that contain the receptor cells for taste KINESTHETIC SENSES: senses of muscle movement, posture, and strain on the muscles and joints VESTIBULAR SENSES: the senses of equilibrium and body position in space GATE CONTROL THEORY: the theory that a neurological gate in the spinal cord controls the transmission of pain messages to the brain-if gate open experience more pain PLACEBO EFFECT: subject given neutral pill and subject reports feeling better- release endorphins-pain blocking neurotransmitters
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Unformatted text preview: PERCEPTION deciphering meaningful patterns in complex sensory information PERCEPTUAL CONSTANCY tendency to perceive objects as stable, unchanging despite changes in sensory stimulation SIZE CONSTANCY perception of object as same size regardless of distance from which it is viewed SHAPE CONSTANCY tendency to see an object as same shape no matter what angle it is viewed from BRIGHTNESS CONSTANCY perception of brightness as same even though amount of light on retina changes COLOUR CONSTANCY inclination to perceive familiar objects as retaining their colour despite changes in sensory information OBSERVER CHARACTERISTICS MOTIVATION,VALUES,EXPECTATIONS,COGNITIVE STYLE,EXPERIENCE AND CULTURE,PERSONALITY MONOCULAR CUES visual cues requiring one eye: superposition, linear perspective, aerial perspective,elevation, texture gradient, shadowing and motion parallax SUPERPOSITION monocular distance cue where one object by partly blocking a second object is perceived as being closer...
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