Figure 2 (IMAGE) Kobe University Caption Normally the functional connectivity between neurons in the primary somatosensory cortex is weak but this connectivity grows stronger in response to acute pain. Credit Takuya Okada Usage Restrictions Please credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.