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Sensation and Perception

Sensation and Perception. Vision. Hearing. Taste and Smell. Touch. Absolute Thresholds.

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Sensation and Perception

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  1. Sensation and Perception

  2. Vision

  3. Hearing

  4. Taste and Smell

  5. Touch

  6. Absolute Thresholds Vision: The amount of light present if someone held up a single candle 30 mi away from us, if our eyes were used to the dark. If a person in front of you held up a candle and began backing up at the rate of one foot (30 cm) per second, that person would have to back up for 44 hours before the flame became invisible. Hearing: The ticking of a watch in a quiet environment at 20 ft . Taste: One teaspoon of sugar in two gallons of water. Smell: One drop of perfume in a six-room house. This value will change depending on the type of sub-stance we are smelling. Touch: The force exerted by dropping the wing of a bee onto your cheek from a distance of one centimeter. (This value will vary considerably depending on the part of the body involved.)

  7. Difference Threshold

  8. Signal Detection Theory

  9. Sensory Adaptation

  10. Sensory Deprivation

  11. Sensory Overload

  12. Perceptual Inference Can you think of any songs that you sing along to and guess (maybe incorrectly) the lyrics?

  13. I cdnuolt blveiee taht I cluod aulaclty uesdnatnrd waht I was rdgnieg The phaonmneal pweor of the hmuan mnid Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteer be in the rghit pclae. The rset can be a taotl mses and you can sitll raed it wouthit a porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. Amzanig huh?

  14. Perception—It’s Learned • Oh no, if we keep going down this road, we’ll have to shrink and get really skinny?!?!?

  15. Perception—Many Influences

  16. Illusions

  17. More Illusions

  18. Impossible Figures • Your mind is playing tricks on you!

  19. ESP

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