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Retina

Chapter 4 Outline Notes Psychology Weiten 7th Edition

Subject: 
Psychology
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Tags: 
Mind
Perception
cognitive science
Sensation
Optical illusion
Visual perception
Visual system
Sensory system
Receptive field
Color vision
Sense
Retina

Grant Clay Period 3 9/14/08 AP Psychology Outline Chapter 4: Sensation and Perception Red ? Definition Blue - Important Points Green - Important People & Contributions Sensation ? The Stimulation of Sense Organs. Perception ? the Selection, Organization, and interpretation of Sensory Input. Psychophysics: Basic Concepts & Issues Psychophysics - Study of how physical stimuli are translated into Psychological Experience. Gustav Fechner Psychophysics Psychologists in 1860?s at University of Leipzig. Wilhelm Wundt based lots of research upon Fechner. Question: For any Given Sense, what is the weakest detectable Stimulus? Absolute Threshold ? Minimum Stimulus Intensity that an Organism can detect.

Weiten Chapter 4

Subject: 
Psychology
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Tags: 
anatomy
Mind
nervous system
Visual system
Perception
Sensory system
Image processing
Color
Sensation
Color vision
Receptive field
Retina

Chapter 4: Sensation and Perception Vision: The Stimulus Light = electromagnetic radiation Amplitude: perception of brightness Wavelength: perception of color Purity: mix of wavelengths perception of saturation, or richness of colors. The Eye: A Living Optical Instrument The eye: housing and channeling Components: Cornea: where light enters the eye Lens: focuses the light rays on the retina Iris: colored ring of muscle, constricts or dilates via amount of light Pupil: regulates amount of light Figure 4.2 The human eye The Retina: The Brain?s Envoy in the Eye Retina: absorbs light, processes images Optic disk: optic nerve connection/blind spot Receptor cells: Rods: black and white/low light vision Cones: color and daylight vision

Sensation and Perception

Subject: 
Psychology
Rating: 
0
No votes yet
Tags: 
Mind
Perception
cognitive science
Sensation
Optical illusion
Visual perception
Visual system
Sensory system
Receptive field
Color vision
Sense
Retina

Grant Clay Period 3 9/14/08 AP Psychology Outline Chapter 4: Sensation and Perception Red ? Definition Blue - Important Points Green - Important People & Contributions Sensation ? The Stimulation of Sense Organs. Perception ? the Selection, Organization, and interpretation of Sensory Input. Psychophysics: Basic Concepts & Issues Psychophysics - Study of how physical stimuli are translated into Psychological Experience. Gustav Fechner Psychophysics Psychologists in 1860?s at University of Leipzig. Wilhelm Wundt based lots of research upon Fechner. Question: For any Given Sense, what is the weakest detectable Stimulus? Absolute Threshold ? Minimum Stimulus Intensity that an Organism can detect.
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