Light first enters the eye through the ________

A drug (like cocaine) that interferes with the action of reuptake transporters extends neurotransmitter availability to the receptors.

a. true b. false

A brief change in the electrical voltage that occurs in response to stimulation that travels down an axon is called ________

a. an inhibitory response. b. an action potential. c. neurogenesis. d. transcranial direct current stimulation.