Ключевые слова: abstract, axis, biochemistry, biology, brain, chemical, chemistry, cns, cognitive, connection, cross, dementia, depression, dopamine, endocrinology, endorphin, formula, health, hormonal, hormone, human, icon, illness, illustration, isolated, line, logo, medical, medicine, molecular, molecule, mood, motor, neocortex, neurochemical, neurotransmitter, pathway, peptide, poster, psychology, raphe, reward, schizophrenia, science, serotonin, structure, system, thalamus, vta,