Pain sensations refer to the unpleasant sensory and emotional experience associated with actual or potential tissue damage. It is the body's way of signaling that something is wrong or needs attention.
This theory suggests that there is a "gate" in the spinal cord that can either allow or block pain signals from reaching the brain.
These are natural painkillers produced by the brain that help reduce pain sensations and promote feelings of pleasure.
These are specialized nerve cells responsible for detecting and transmitting painful stimuli to the brain.