links motor neurons and muscles. Also facilitates learning and memory. Alzheimer's patients have an undersupply of this
concentrated in the brain, this is linked to muscle activity. A shortage can cause Parkinson's disease; an excess can cause schizophrenia
distributed throughout the CNS, these natural opiates relieve pain
widely distributed in the CNS, it increases arousal. Too much may produce a manic state; too little may lead to depression
produced in the brain, it lowers activity level and causes sleep. Too little is linked to depression
GABA (gamma aminobutyric acid)
produced in the brain, it lowers arousal and reduces anxietey. It's the main inhibitory neurotransmitter in the nervous system
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.