What is one impediment to the regeneration of axons in the mammalian central nervous system?
a. Inhibitory chemicals secreted by the damaged portion of the axon
b. Bacterial infections caused by the decaying tissue
c. Glia releasing chemicals that inhibit axon growth
d. Inhibitory messages sent from the cell nucleus when an axon is damaged
c
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Bottom-up processing is also called ________, and top-down processing is also called ________
a. data-driven; conceptually-driven b. conceptually-driven; data-driven c. sensory; perceptual d. transformational; informational
The main destinations for messages from the retina are the ________ of the brain
a. limbic system b. parietal lobes c. motor control areas d. occipital lobes
If IQ data are interval, then one can safely say that an IQ of 140
is twice as high as an IQ of 70. Indicate whether the statement is true or false
During which period of pregnancy are babies most vulnerable to drugs taken by the mother?
A. Second trimester B. Third trimester C. First trimester D. None of these; vulnerability stays the same throughout gestation.