PSYCH 2AA3 Lecture Notes - Lecture 1: Critical Period, Synaptogenesis, 18 Months
10 Nov 2016
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Parents are so eager to have perfect babies that they will distort anything scientists come up with. Media distorts: example: brain stimulation products, mozart effect. Researches recruited uni students played mozart did iq test these uni stude(cid:374)ts had higher iq tha(cid:374) the o(cid:374)es (cid:449)ho did(cid:374)"t liste(cid:374) to mozart. In place at birth: hippocampus keeps producing neurons. Holes in myelin signal interrupted malnutrition. Synapses between neurons through brain growth spurt. If (cid:449)e"re (cid:374)ot usi(cid:374)g certai(cid:374) s(cid:455)(cid:374)apses, the(cid:455)"ll die off: starts at 18 months, neurons rarely stimulated lose their synapses and are repurposed. Gro(cid:449)th i(cid:374) (cid:862)spurts(cid:863: discontinuous development, examples: Role of experience in neurodevelopment: sensitive periods (critical periods) Find people that were raised in bad situations and how that affects their development. Rutter: longer time in impoverished environment associated with: What kinds of experiences do you need and when: two types. Ability to see and touch objects, know language and hear sounds, ability.
