NEUR 3303 Lecture Notes - Lecture 4: Slow-Wave Sleep, Christian Mortalism, Non-Rapid Eye Movement Sleep

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Brai(cid:374) o(cid:374)l(cid:455) represe(cid:374)ts (cid:1006)% of (cid:271)od(cid:455)"s (cid:449)eight (cid:894)appro(cid:454) (cid:1007)l(cid:271)s(cid:895) But a(cid:272)(cid:272)ou(cid:374)ts for (cid:1006)0% of (cid:271)od(cid:455)"s e(cid:374)erg(cid:455: 80% of that 20% is used to support neural signalling, less than 5% of that functional budget is devoted to conscious stimulus- response (task-related processes) Most of (cid:272)o(cid:374)su(cid:373)ptio(cid:374) is (cid:449)he(cid:374) (cid:449)e are(cid:374)"t doi(cid:374)g (cid:373)u(cid:272)h. 5% when doing task or cognitive-process consciousness (only 5%) It"s fun connected with genetics, structures connected with higher level processing that we cannot understand e. g. identity. Genes and their expression to their neurons and their connections of areas of the brain are working together. Consciousness is the tip of the ice berg supported by a vast structural and functional (cid:862)u(cid:374)dergrou(cid:374)d(cid:863) unconscious (possible parts are conscious) This network is always active metabolically it is the network that is doing major, normal consumption in the brain. When there is a task, network deceased activity, no task = increased activation in this area.

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