PSY100H1 Lecture Notes - Lecture 5: Olfactory Mucosa, Sensory Neuron, Absolute Threshold
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When we look out in the world, our visual system corrects the illumination. Example: you see a red dress the sa(cid:373)e (cid:449)a(cid:455) u(cid:374)der a lot of light or u(cid:374)der di(cid:373) light. With the dress, so(cid:373)e people(cid:859)s (cid:448)isual s(cid:455)ste(cid:373)s are (cid:373)aki(cid:374)g (cid:449)ro(cid:374)g (cid:862)(cid:272)orre(cid:272)tio(cid:374)s(cid:863) to the illu(cid:373)i(cid:374)atio(cid:374). Recent study found that people (cid:449)ho look at the dress as falli(cid:374)g u(cid:374)der a shado(cid:449) are (cid:862)larks(cid:863) (cid:449)ho spe(cid:374)d a lot of ti(cid:373)e i(cid:374) the da(cid:455)light (cid:448)s. (cid:862)night o(cid:449)ls(cid:863) (cid:449)hose life is illu(cid:373)i(cid:374)ated (cid:271)(cid:455) artifi(cid:272)ial lighti(cid:374)g. Sensation is sensing the external stimuli, sensory systems/receptors responding by firing signals from external world (soundwaves, light waves, chemicals) and responding to stimuli. Translating stimuli into a signal that would be understood by your brain. Perception is what goes on in your brain, interpretation of these signals. Whe(cid:374) (cid:455)ou stu(cid:271) (cid:455)our toe, (cid:455)our toe (cid:373)a(cid:455) feel like it(cid:859)s hurti(cid:374)g (cid:271)ut it(cid:859)s a(cid:272)tuall(cid:455) (cid:455)our (cid:271)rai(cid:374).