PSYCH 250 Lecture 8: Psych 250 Lecture 8 Notes
Document Summary
Children become slimmer & more muscular from 2 to 6 years growing over 3 & gaining 4 lbs. per year. & is at least 3 feet tall. Bmi lowest at age 5 or 6; adult-like body proportions. Young children tend to be picky eaters who insist on rituals. Just right phenomenon a child"s insistence that a particular experience occur in an exact sequence & manner. This insistence on having things just so shows a marked decline after age 3. By age 6, brain is 90% of its adult weight. Speed of processing (i. e. , myelination: myelin fatty coating on axons that speeds up transmission of nerve impulses. Social understanding develops as prefrontal cortex matures & emotional control improves. Corpus callosum myelinates rapidly from 2 6 years leading to more efficient communication between hemispheres. Children can now coordinate the two sides of the brain, & thus their bodies!
