Answer to Question 1
Answer: Chemical stimulation can be used to excite cell bodies rather than both cell bodies and axons of passage.
Answer to Question 2
Answer: Brain cells require glucose as fuel for activity. 2-DG , like glucose, is taken up into neurons, but cannot be used for energy. If a radioactive version of 2-DG is injected into an animal, radioactive 2-DG molecules will accumulate in brain as a function of the relative activity of those cells. Autoradiography will reveal the presence of radioactive molecules in the brain, with a more intense signal in regions that were more active, and a less intense signal in less active regions.
Structure and function of a chemical synapse.
The response of hair cells to mechanical stimulation.
Energy coupling in mechanical and chemical processes
Comparison of the chemical structures of psilocybin and LSD. Psilocybin (left) is derived from a mus
The NIOSH Pocket Guide entry for gasoline. Useful information includes health effects and chemical ...
The chemical structure of the water molecule facilitates life