Sensation and Perception Chelsea Touchtone Marissa McKenna Riley Johnson.

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Presentation transcript:

Sensation and Perception Chelsea Touchtone Marissa McKenna Riley Johnson

Vocab. Need to Know Sensation Difference Threshold Feature Detectors Optic Nerve Visible Light Rods Cones Perception Transduction Cornea Pupil Lens Retina Fovea Blind Spot Trichromatic Theory Color Blindness After Images Opponent Process Theory Sound Waves Amplitude Frequency Cochlea Pitch Theory Place Theory Frequency Theory Conduction Deafness Nerve Deafness Touch Gate Control Theory Taste Smell Vestibular Sense Kinesthetic Sense Absolute Threshold Subliminal Messages Weber’s Law Top Down Processing Bottom Up Processing Gestalt Rules Proximity Size Consistency Shape Consistency Depth Cues

Key People David Hubel Torsten Wiesel Ernst Weber Gustav Fechner Eleanor Gibson

David Hubel and Torsten Wiesel Discovered that groups of neurons in the visual cortex respond to different types of visual images. Visual cortex has feature detectors for vertical lines, curves, motion, and many other features of images.

Ernest Weber Psychophysics who computed Weber’s Law For people to perceive a difference, the stimulus must differ by a constant proportion not a constant amount. Weber’s Law- related to the just noticeable difference, which is the minimum difference in stimulation that a person can detect 50% of the time.

Gustav Fechner Contributor to Weber’s Law Some textbooks refer to this law as the Weber- Fechner Law

Eleanor Gibson Researcher who used the visual cliff experiment to determine when human infants can perceive depth. Found that an infant old enough to crawl would not crawl over the glass top table inferring they have developed depth perception.

Review Quiz 1 tion_perception.html tion_perception.html Quiz 2 0/MC/Sensation.htm 0/MC/Sensation.htm Quiz 3 C%20quizes/MCquizeshome.htm C%20quizes/MCquizeshome.htm

Informative Websites default.htm#sensationhttp://wchs.woodfordschools.org/apreview/ default.htm#sensation person-able-perceive-stimulus.htmlhttp:// person-able-perceive-stimulus.html Podcasts sensation-perception/id

Crossword Puzzle  This crossword will be helpful in your review for this unit hill.com/sites/dl/free/ x/300172/c hapter4.htmlhttp://highered.mcgraw- hill.com/sites/dl/free/ x/300172/c hapter4.html

Review Videos _pL8 RM42K5I

Podcasts sensation-perception/id