Chapter 7 - • Reticular formation a structure in the...

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Chapter 7: Physical and Cognitive Development in Early Childhood Body Growth Skeletal Growth o Ages 2 to 6 years old o Skeletal age : progress towards maturity, information helpful in diagnosing o Care for primary teeth is essential o General growth curve : physical growth is asynchronous, rapid growth during infancy, slower gains in early and middle childhood, and rapid growth again during adolescence Brain Development o Ages 2-6: brain increases 70% of its adult weight to 90% Handedness o Dominant cerebral hemisphere : handedness is reflected by greater capacity of one side of the brain Language is right handed people comes from the left hemisphere Cerebellum : a structure that aids in balance and control of body movement o Connect to the cerebral cortex to support thinking
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Unformatted text preview: • Reticular formation : a structure in the brain stem that maintains alertness and consciousness • Corpus Callosum : large bundle of fiber connecting the two cortical hemispheres o Supports smooth coordination of movements on both sides of the body and integration of many aspects of thinking Influences on Growth • Pituitary gland : located at the base of the brain, plays a critical role by releasing two hormones to induce growth o Growth hormone : necessary for development of all body tissues except the central nervous system and genitals o Thyroid- stimulating hormone : prompts the thyroid gland to release thyroxine, which is necessary for brain development and for GH to have its full impact on body size...
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