PSYA02H3 Chapter Notes - Chapter 10: Neural Tube, Morning Sickness, Frontal Lobe

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10 Apr 2018
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PSYA02H3 Full Course Notes
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Developmental psych: study of human physical, cognitive, social & behavioural characteristics across lifespan. Dev x gradual stable periods -> interrupt by rapid reorganisation and shifts in func. Zygote: fusing of egg nuclei + sperm // ovum fertilization. Embryonic stage: spans week 2 thru 8, during which time embryo begins dev major physical struc e. g. heart & nervous system & beginning of arms and legs and hands and feet. Fetal stage: spans week 8 thru birth, during which time skeletal, organ & nervous systems become more dev & specialised -> dev muscles so that fetus. Move -> sleep & wake cycles and fine-tuned senses so that responsive to ext cues. @ 4th week - form major brain divisions (forebrain, midbrain & hindbrain) @ 7th week - neurones & synapses dev @ spinal cord -> move -> prov new source of sensory info -> stimulates cns s dev of increasingly coordinated movements.

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