HDFS201 Lecture Notes - Lecture 3: Prefrontal Cortex, Amygdala, Corpus Callosum
4 Apr 2016
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Proximodistal: center-out: infants: birth- 2 years. By first birthday, 300% birth weight and 150% birth length: early childhood: 3 to 5 years. Trunk lengthens: middle/late childhood: 6 to 10 years, 11 to 18 years. Puberty- rapid physical changes involving hormones and bodily changes: early adulthood: 20s and 30s. Elasticity in muscles decreases: middle adulthood: 40s and 50s. Menopause: late adulthood: 60s-70s to death. Biological processes and environmental experiences influence brain"s development. Brain has plasticity and is context dependent. Development of brain and cognitive development are closely linked; these factors constrain or advance the construction of cognitive skills: brain structure & function. Frontal lobes: voluntary movement, thinking, personality, emotion, memory, attention, intentionality, or purpose. Temporal lobes: hearing, language processing, memory. Parietal lobes: spatial location, attention, motor control. Myelination: encasing axons with a myelin sheath, with helps increased speed and efficiency of information processing. Lateralization: specialization of function in one hemisphere of the cerebral cortex or the other.
