The presynaptic neuron also releases neurotransmitter in the absence of action potentials, in a process called spontaneous release. (sciencedaily.com)
It occurs because of the spontaneous release of pyrogens, our body's natural defense mechanism for fighting disease. (natural-parenting-advice.com)
The researchers hypothesize that by generating a stress - induced analgesic response in periaqueductal gray matter, the Wim Hof Method may promote the spontaneous release of opioids and cannabinoids in the brain. (sciencedaily.com)