They always use the neurotransmitter acetylcholine, and are always excitatory.
Some scientists have reported abnormally low levels of serotonin, a neurotransmitter that affects mood, in the cerebrospinal fluid of some angerprone persons, but the relationship of this finding to IED is not clear.
Acetylcholine-A chemical called a neurotransmitter that functions primarily to mediate activity of the nervous system and skeletal muscles.
It is not only needed to help regulate our mood and sleep, but it also transmits nerve impulses from the brain and as a neurotransmitter controls feelings like thirst and hunger.
The neurotransmitter serotonin, which helps regulate your mood, concentration, and sleep cycle.