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◉the brain is considered mature around what age . Answer: 25, the brain
is not mature until our mid-twenties because the prefrontal cortex (which
enables executive function abilities) continues to develop until this time
◉what is the sequence in which we learn our abilities . Answer: sensory,
motor, emotional skills, executive function skills (begin in early
childhood but their sensitive period of development continues into early
adulthood)
◉what stages of development are the most plastic and the least .
Answer: early childhood, late childhood, adolescence, adulthood, the
brain becomes progressively less plastic with age
◉the age at which a human has the most connections between neurons is
. Answer: 3, as the brain ages, unused connections are pruned away and
active connections are strengthened
, ◉how do experiences shape the developing brain . Answer: they
influence which neural connections are strengthened or pruned, they
help us practice our skills
◉at what stage of development do negative experiences influence the
architecture of the developing brain . Answer: at any stage of
development, which neural circuits will be affected depends on when the
negative experience occurs
◉most traits and diseases in humans are derived from . Answer: the
interaction between genes and environmental influences
◉what is an example of an epigenetic effect . Answer: an environmental
factor modifies the area surrounding a gene such that expression
decreases
◉is manual dexterity related to the quality of parental care a child
receives . Answer: no
◉which gene has been shown to be epigenetically modified by the
quality of maternal care in rat offsrping . Answer: the glucocorticoid
receptor gene which is methylated in response to maternal care