1a. Explain the significance of glutamate in the brain and ofNMDA receptors.
1b. Describe the mechanism of action of glycine and GABA asneurotransmitters, and discuss their significance.
1c. Explain how nitric acid is produced in the body, anddescribe its functions.
1d. Define spatial summation and temporal summation, and explaintheir functional importance.
1e. Explain how postsynaptic inhibition is produced and howIPSPs and EPSPs can interact.
1f. Describe the mechanism of presynapticinhibition.produced.