Infants' repetition of certain syllables at the age of about 6 or 7 months is called
cooing.
holophrasing.
gurgling.
babbling.
babbling.
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Carrie is extremely anxious about her upcoming final exams. This is likely
a. to suppress her immune system. b. to activate her immune system. c. to increase the effectiveness of macrophages present in her body. d. to increase the production of red blood cells in her body.
The stress of crossing multiple time zones during air travel may
a. increase the release of melatonin. b. decrease the release of melatonin. c. increase the release of cortisol d. decrease the release of cortisol.
Where have both separation anxiety and stranger anxiety been observed?
a. Only in children who attend day care before age two b. Only in children in the United States c. Only with children reared by stay at home parents d. In a variety of cultures and care settings
The neural networks of the brain, especially those involved in memory, can be damaged by
A) the corpus callosum. B) removal of a child from an abusive situation. C) sensitization. D) high levels of cortisol.