Suicide attempt survivors have lower sensitivity to bodily signals

This shows a woman's legsSuicide survivors have higher pain tolerance and are less sensitive to bodily signals associated with their breathing and heart. Researchers found those who attempted suicide were able to tolerate the breath-hold and cold-pressor interoceptive challenges significantly longer than those who had no history of suicidal behavior. The interoceptive numbing was linked to lower brain activity in the insular cortex.