Which of the following increases the ability of an infant's brain to function?
A) the creation of new synaptic connections
B) the removal of synaptic connections
C) both the creation and the removal of synaptic connections
D) neither the creation nor removal of synaptic connections
Answer: C
Rationale: Both synaptogenesis and synaptic pruning serve to increase brain functionality by strengthening needed connections between nerve cells and weeding out unnecessary ones.
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In the proliferation and migration stages of the development of the nervous system:
a. The cells that will become neurons multiply at a rate of 250,000 cells per minute b. New neurons move from the ventricular zone to their final location c. Moving cells are assisted by radial glial cells d. All of the above
Piaget's Substage 5: Tertiary circular reactions stage occurs for infants in the age range of
a) 12-18 months of age. b) 8-12 months of age. c) 6-8 months of age. d) 12-14 months of age.