Itching which is often caused by eczema, diabetes or in some cases cancer. Professor Martin Goulding of the Salk Institute in California said, “The itching sensation travels to the brain in a different way than other sensations associated with touch.”
Our spinal cord carries the signs of itching to the brain. It has been discovered by researchers. Reading a paper published in the Journal of the Mechanical Behavior of Biomedical Materials will help in better understanding of itching and find new medicines to treat chronic itching.
Itching which is often caused by eczema, diabetes or in some cases cancer. Professor Martin Goulding of the Salk Institute in California said, “The itchy sensation travels to the brain in a different way than other tactile sensations, and the path passes through the spinal cord, which is a specific pathway.”
Researchers have previously discovered a set of inhibitory neurons in the spinal cord that acts like brakes for cells that keep the spinal cord that passes the sensation of itching to the brain most of the time.
These neurons produce the neurotransmitter neuropeptide Y (NPY), forming a pathway for the sensation of itching to the brain, keeping the pathway always open in case of chronic itching. An experiment on mice found that In the absence of these neurons, they do not get the sensation of itching.
But during the experiment, when the number of these neurons was increased again by the dose of medicines, they started to get the sensation of constant itching. Even she was not being itchy by touching, yet her brain was getting the message that itching was happening and she was behaving like that.