Chapter 4 Notes

Chapter 4 Notes - Chapter 4 Sensation and Perception Basics...

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Chapter 4 Sensation and Perception Sensation Basics Sensation: stimulation of a sense organ o What are the 5 senses? ***Sight*** Smell Touch ***Hear*** Taste Perception: Sensation + interpretation Subliminal perception: registering sensory input without conscious awareness Intensity: strength of a stimulus Receptor cells: cells that are responsible for taking in information and then sending it to  the brain to be interpreted.  Absolute threshold: minimum amount of stimulus that must be present of it to be detected Noise: anything that interferes with sensation Just Noticeable Difference (JND): smallest detectable difference between two stimuli. Weber’s Law: JND is in constant proportion of the intensity of the initial stimulus Vision Lens: bends the light rays. Focuses info on retina o Nearsightedness o Farsightedness Pupil: Iris: Retina: Rods:  o o Poor light o Insensitive to detail
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This note was uploaded on 04/18/2008 for the course PSY 2012 taught by Professor Jenkins during the Fall '07 term at Seminole CC.

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Chapter 4 Notes - Chapter 4 Sensation and Perception Basics...

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