Chapter 4 - same as someone normal Not as big of a range of...

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Chapter 4: Sensation and Perception Perception How we see the world Sensation Stimulation of a sensory receptor gives rise to neural impulses that result in an experience Perceptual Organization The processes that puts sensory information in a coherent way o Estimation of size or distance Identification and Recognition Assigning meaning to perceptions Higher level of cognitive process o EX: Identification= it’s a ball. Recognition=knowing what ball is used for Retina and Photoreceptors Rods o Dim light Cones o Color vision o Densely packed in fovea 3 types of cone receptors in the eye o each responds to different wavelengths o if you don’t have all 3 color blind Color blind vs. color deficiency Blind o Cannot distinguish colors Deficiency o Individual can perceive color differences, just not the
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Unformatted text preview: same as someone normal Not as big of a range of color Levels of Color Blindness Rod Monochromats o 0 functioning cones o complete blacks and whites o extremely rare Cone Monochromats o 1 functioning cone o no color discrimination o extremely rare Dichromats o 2 functioning cones o not color blind, color deficient o only one normal X gene (more common in males) o Unilateral dichromats 3 cones in one 2 cones in the other 3 types of dichromatism (2 functioning cones) Protanopia o Missing long wavelength pigment Usually seen as red Deuteranopia o Missing medium wavelength pigment Usually seen as green Tritanopia o Missing short wavelength pigment Usually seen as blue...
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Chapter 4 - same as someone normal Not as big of a range of...

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