PSY3051 Lecture Notes - Lecture 1: Parietal Lobe, Limen, Resting Potential

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La(cid:396)gel(cid:455) u(cid:374)(cid:272)o(cid:374)s(cid:272)ious, auto(cid:373)ati(cid:272) p(cid:396)o(cid:272)ess (cid:271)ased o(cid:374) (cid:858)u(cid:374)a(cid:448)aila(cid:271)le(cid:859) (cid:374)eu(cid:396)al e(cid:448)e(cid:374)ts, togethe(cid:396) (cid:449)ith (cid:858)u(cid:374)(cid:272)o(cid:374)s(cid:272)ious(cid:859) i(cid:374)fe(cid:396)e(cid:374)(cid:272)es f(cid:396)o(cid:373) spe(cid:272)ifi(cid:272) (cid:272)ues. Conscious effort is needed to interpret sensory data (e. g. , when data are ambiguous and incomplete) Effortlessness of perception disguises the complex nervous system mechanisms operating. Bottom up processing: processing based on incoming stimuli from the environment. Top do(cid:449)(cid:374) p(cid:396)o(cid:272)essi(cid:374)g: p(cid:396)o(cid:272)essi(cid:374)g (cid:271)ased o(cid:374) the pe(cid:396)(cid:272)ei(cid:448)e(cid:396)(cid:859)s p(cid:396)e(cid:448)ious k(cid:374)o(cid:449)ledge (cid:894)(cid:272)og(cid:374)iti(cid:448)e fa(cid:272)to(cid:396)s(cid:895) These stages are interconnected and communicate with one another. The s(cid:373)allest li(cid:374)e-width at which the subject can still indicate the correct orientation is the grating acuity. Behavioral measurements were made by decreasing the intensity difference between light and dark (cid:271)a(cid:396)s of a g(cid:396)ati(cid:374)g u(cid:374)til the su(cid:271)je(cid:272)t (cid:272)ould (cid:374)o lo(cid:374)ge(cid:396) dete(cid:272)t the g(cid:396)ati(cid:374)g(cid:859)s o(cid:396)ie(cid:374)tatio(cid:374) Researchers study cognitive influences by measuring how knowledge and other factors, such as memories and expectations, affect all of the relationships. Recognition: placing a stimulus in a category by identifying it.

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