Neuropharmacology:
Neuropharmacology is the study of how drugs modify cellular function in the nervous system, and the neural mechanisms through which they oppress behavior.There are two main branches of neuropharmacology: behavioral and molecular. Behavioral neuropharmacology concentrate on the study of how drugs affect human behavior (neuropsychopharmacology), including the study of how drug dependence and addiction influence the human brain.Molecular neuropharmacology contains the study of neurons and their neurochemical interactions, with the overall goal of developing drugs that have beneficial effects on neurological function.
Neurochemistry:
Neurochemistry is the study of chemicals, involving neurotransmitters and other molecules such as psychopharmaceuticals and neuropeptides, that control and influence the physiology of the nervous system.