Before revision: The third form of LTD requires endocannabinoids, activation of mGlu receptors and repetitive stimulation of glutamatergic fibers (13 Hz for ten minutes), resulting in a long term decrease in presynaptic glutamate release.
After revision: The third form of LTD requires endocannabinoids, activation of mGlu receptors and repetitive stimulation of glutamatergic fibers (13 Hz for ten minutes), resulting in a long-term decrease in presynaptic glutamate release.