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Developmental psychology exam two
Terms in this set (14)
what is polygenic inheritance?
traits governed by more than one gene
>what is norm of reaction?
>>what does it help us conclude?
>all possible phenotypic variations that could result from a given genotype, in all possible environments
>>environment influences development
What three factors make up a psychopath according to James Fallon?
genes, certain brain behaviors, experiences of being abused
Parental contribution provides an environment that influences a child's behavior. What relationship does this exhibit?
child environment influencing child phenotype
Children actively create their own environment by evoking certain response from others. What relationship does this exhibit?
child phenotype influencing child environment
what do family studies on intelligence suggest?
environmental and genetic effects on intelligence
what are limitations to heritability?
>apply to populations, not individuals
>>are specific to a group of individuals, time, and environment
>>>cannot explain differences between groups
>what is neurogenesis?
>>when is it complete?
>proliferation of neurons through cell division
>>mostly complete by 18 weeks after conception, but continues throughout life
When does myelination begin/end and in what manner?
begins before birth, continues into early adulthood
begins in brainstem and then onto other parts of cortex that are related to higher functioning
each neuron forms synapses with other neurons prenatally and after birth
explain synaptic pruning
unused synapses get eliminated
how does the timing and rte differ amongst brain areas?
brain matures back to front
what is plasticity?
the brains capacity to be affected by experiences
what are the advantages of the brain's plasticity?
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