Name and describe four infant behavioral states
What will be an ideal response?
A good answer will include the following key points:
+ Alert inactivity: The baby is calm with eyes open and attentive; the baby looks as if he is deliberately inspecting his environment.
+ Waking activity: The baby's eyes are open but they seem unfocused; the baby moves her arms or legs in bursts of uncoordinated motion.
+ Crying: The baby cries vigorously, usually accompanied by agitated, but uncoordinated motion.
+ Sleeping: The baby's eyes are closed and the baby drifts between periods when breathing is regular and the baby is still, to periods when breathing is irregular and the baby gently moves its arms or legs.
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Research evidence indicates that two biological factors are most likely to influence a
person's sexual orientation. These are a. postnatal hormonal exposure and differences in brain structure. b. prenatal exposure to androgens and differences in genital development. c. differences in brain and genital development. d. prenatal hormonal exposure and heredity. e. heredity and brain development.
Research reveals that
A) deaf adults who, as infants and children, learned sign language depend more than hearing individuals on the right hemisphere for language processing. B) adolescents and adults show more diffuse fMRI activity than children. C) deaf infants depend more than hearing infants on the left hemisphere for language processing. D) toddlers advanced in language development show greater right-hemispheric specialization for language than their agemates.