The major advantage of chemical stimulation using glutamate infusion is that
a. it activates cell bodies but not axons.
b. it only activates neurons in the cortex.
c. it is less complicated to achieve than is electrical stimulation.
d. it activates axons, but not cell bodies.
e. dendrites are inactivated by the technique.
Question 2
A key disadvantage of the electrical stimulation technique is that
a. it cannot be used to inactivate neurons.
b. the procedure cannot be used in live animals.
c. behavioral changes are rarely noted after electrical stimulation of the brain.
d. the stimulation does not always duplicate natural neural processes.
e. it is more expensive than the chemical stimulation technique.
On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major
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