Psychology 1000 Chapter Notes - Chapter 5: Oval Window, Binocular Disparity, Stirrup
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PSYCH 1000 Full Course Notes
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Sensation is the stimulation of the sense organs. The just noticeable difference minimum amnt a stimulus needs to be inc. or dec. to notice a difference. Weber difference threshold is proportional to the magnitude of the stimulus with which the comparison is being made. The diminishing sensitivity to a constant, unchanging, stimulus over time. Mechanical, thermal or chemical energy applied to the skin: describe the anatomy of the eye. Lens: elastic structure, becomes thinner to focus on distant objects and thicker to focus on nearby objects. Eti(cid:374)a: (cid:272)a(cid:373)era that (cid:272)aptures the i(cid:373)age a(cid:374)d se(cid:374)ds the i(cid:374)fo to the (cid:271)rai(cid:374) to get (cid:858)de(cid:448)eloped(cid:859) Rods: black and white, function best in dim light, peripheral vision, 500x more sensitive than cones. Cones: colour, fuction best in bright light, visual acuity. Fovea: small area at the centre of the retina that contains only cones. Bipolar cells: synaptic connections with the rods and cones.