The primitive reflexes are similar because each of them
a. shows the downward evolutionary degradation of the human species.
b. triggers specific actions that are needed for survival.
c. withers away during the first months following birth.
d. strengthens with each month of postnatal maturity.
C
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The preoperational concept of ____ suggests that children in this stage believe that others see the world exactly as they do; that is, that their perspective is the only perspective there is
a. animism b. centration c. egocentrism d. object permanence
Sleep disorders in infants are often diagnosed through the use of sleep diaries and direct observation
Indicate whether the statement is true or false
The dependent variable is dependent upon the control group.
Answer the following statement true (T) or false (F)
According to the place theory of pitch perception, pitch is partially determined by:
a. the frequency of neural impulses traveling along the auditory pathways b. the location in the cerebral cortex where the sound is decoded c. how often the same sound has been encountered in the past d. the location of the activated hair cells on the basilar membrane