NEUR 2P36 Lecture 6: Neural Plasticity (Injury & Recovery)
5 Dec 2016
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Tre(cid:374)gth a(cid:374)d stru(cid:272)ture of the (cid:272)ra(cid:374)iu(cid:373) a(cid:374)d skull preser(cid:448)e (cid:448)italit(cid:455) for i(cid:374)jur(cid:455) fro(cid:373) (cid:858)e(cid:454)ter(cid:374)al(cid:859) sources (infection, impact, force), especially to top of head. Also found throughout the ventricular system which permits absorption to withstand compression. Works (mostly during sleep) to remove toxins and waste from the brain; it is particularly effective at removing amyloid plaques (ex. (cid:858)blood-brai(cid:374)(cid:859) (cid:271)arrier filters the (cid:271)lood permitting oxygen and glucose to cross into the brain, but not other larger molecules (ex. There is an abundance of remaining healthy, functioning, and undamaged tissure. Theses neurons continue to grow and form connections with other neurons (ex. Health(cid:455) (cid:374)euro(cid:374)s also ha(cid:448)e (cid:272)apa(cid:272)it(cid:455) for (cid:858)fu(cid:374)(cid:272)tio(cid:374)al reorga(cid:374)izatio(cid:374)(cid:859) (cid:894)take o(cid:374) the role of missing/other neurons) Facilitates regeneration in neurons that are (apoptosis) or undifferentiated (stem cells) Protective features can actually be the cause of the damage. I(cid:374)jur(cid:455) i(cid:374)terrupts the lo(cid:449)er part of the (cid:271)rai(cid:374) (cid:894)k(cid:374)o(cid:449) as hi(cid:374)d(cid:271)rai(cid:374)(cid:895) fro(cid:373) (cid:858)i(cid:374)ter(cid:374)al(cid:859) sour(cid:272)es (rotational forces, ex.
