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Intro to Psych, Modules 22 and 7

Intro to Psych, Modules 22 and 7 - • Perceptual...

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Perception & Consciousness: Modules 22 & 7 Sensation vs. Perception o Sensation is the transduction of energy (or chemicals in the case of taste and smell) from the environment into chemical/electrical signals. o Perception is the interpretation your brain imposes on sensations Perceptual Interpretation o Sensory deprivation and restored vision o Perceptual adaptation o Perceptual set o Perception and the human factor Perceptual Interpretation o Immanuel Kant (1724-1804) maintained that knowledge comes from our inborn ways of organizing sensory experiences. o John Locke (1632-1704) argued that we learn to perceive the world through our experiences. o How important is experience in shaping our perceptual interpretations? Restored Vision o When blind adults have restored vision: o Figure-ground relationships are clear, but distinguishing between specific shapes (a square vs. a triangle) can be difficult o Can recognize individual features of faces, but have difficulty recognizing faces as a whole
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Unformatted text preview: • Perceptual Adaptation o The ability to adjust to an artificially displaced visual field. o Humans are quite good at this sort of adaptation – Stratton created goggles that flipped the visual field upside down and was able to adapt to it in just 8 days. • Perceptual Set o Mental predisposition to see one thing and not another. • Context Effects o Is the “magician cabinet” on the floor or hanging from the ceiling? • Cultural Context • Perception: Learned or Acquired? • ESP: Extrasensory Perception o Telepathy – mind to mind communication o Clairvoyance – perception of physically distant events o Precognition – knowledge of future events • Consciousness o Consciousness is our awareness of ourselves and our environment. Attention is required for awareness. • Perception depends on Attention o Change Blindness o Inattentional Blindness o Blindsight...
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