Fig. 4From: Non-noxious skin stimulation activates the nucleus basalis of Meynert and promotes NGF secretion in the parietal cortex via nicotinic ACh receptorsSchematic diagram showing the proposed mechanisms by which NGF secretion occurs in the cerebral cortex in response to non-noxious somatosensory stimulation. Non-noxious somatosensory input activates the NBM, and cholinergic inputs from there to the cortex promote NGF secretion from cortical neurons by activation of the nAChRs in the cerebral cortexBack to article page