The politics of identity is a kind of cultural politics. It relies on the development of a culture that is able to create new and affirmative conceptions of the self, to articulate collective identities, and to forge a sense of group loyalty.
Neurons transmit electrical impulses by allowing the passage of charged ions across their membranes in response to stimuli, changing the charge of the neuron in a process that propagates through the axon of the neuron. Normally, neurons maintain an internal negative charge relative to their environment by excluding sodium ions from their cytoplasm.
Neurotransmitters are endogenous chemicals that transmit signals from a neuron to a target cell across a synapse . Although some neurons produce and release only one kind of neurotransmitter, most of the neurons make two or more and may release all or one of them at given time.