While it is almost impossible to list every discipline, some common STEM areas include: aerospace engineering, astrophysics, astronomy, biochemistry, biomechanics, chemical engineering, chemistry, civil engineering, computer science, mathematical biology, nanotechnology, neurobiology, nuclear physics, physics, and robotics, among many, many others.
Presynaptic neurons are the neurons that conduct the AP to release a neurotransmitter and they affect the postsynaptic neurons. What ALWAYS causes a neuron to release any neurotransmitter (whether it is excitatory or inhibitory) is an action potential.ontrast that with exitatory NTs: All excitatory neurotransmitters cause an opening of ligand-gated sodium ion channels. The inhibitory NT could also cause an opening up of ligand-gated Chloride Ion channels.
Excitatory synaptic transmission uses a neurotransmitter called L-glutamate. This is a common amino acid used throughout the body to build proteins (it is also used as a flavour enhancer-mono-sodium glutamate!!!). However, in the CNS it is the major excitatory neurotransmitter.n addition to L-glutamate and GABA, there are a whole range of other neurotransmitters and their receptors (acetylcholine, dopamine, serotonin and many others) that also perform vital functions in the central nervous system, some of which are excitatory and some of which are inhibitory.