People with IUD have measurable changes in their brains. The connections between the cells and regions that “control attention, executive control, and emotion processing” are impacted. These changes mirror what happens in the brain connections of people who are addicted to chemical substances like cocaine.
Other studies have measured changes in how “the brain’s dopamine system operates”. Dopamine is a product of our body that is responsible for “allowing us to experience pleasure and reward”. Researchers are starting to notice a correlation between people who suffer from Internet disorders. The addicts may have less dopamine receptors in parts of their brain or their dopamine functions might be compromised.