The communication in, between and from the nervous system to the underlying parts of the body is accomplished by chemical signaling substances – neurotransmitters.Homeostasis of physiological processes in the body directly depends, as well as determines neurotransmitter’s homokinetics.
The construction and function of the human body is encoded in the gene sequences of DNA.
Gene expression is the basis for cellular differentiation, morphogenesis, functionality, which in turn provides the variability and adaptability of each organism.
In this line of thought, dissection of gene expression is required to “dissect” the nervous tissue.
https://neitropia.com/genetic-markers-psychosomatic/