When a 1-month-old kitten is put in the dark and kept there during the fourth week of life and beyond, damage to visual centers of the brain is severe and permanent. This example provides evidence of
A) brain plasticity.
B) synaptic pruning.
C) lateralization of the cerebral cortex.
D) sensitive periods in brain development.
Answer: D
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Personality researchers sometimes examine the personalities of children who were adopted shortly after birth. They do this because
A. these children were likely raised in a very supportive, nurturing environment. B. genetic and environmental influences are not confounded like they are when examining children raised by their biological parents. C. extensive records of the child's health and early personality indicators are available. D. the researchers want to know if adoption is traumatic for the children.
The part of the neuron that sends information to other neurons "branches out" into smaller fibers, which end in bulb-shaped parts known as
a. myelin sheaths. b. ion channels. c. dendrite arcs. d. axon terminals.
Which option is the best cliché to summarize the decay theory of forgetting?
A. The squeaky wheel gets the grease. B. The eyes are the windows to the soul. C. The only true constant is change. D. Use it or lose it.
Illicit use of opioid-containing prescriptions is the _____________ most common type of illicit drug use in 2014 after marijuana.
A. second B. third C. fourth D. fifth