4. Verification of OBE: Remarkably, Pam was able to provide accurate details about the surgical instruments and her surroundings that were completely unknown to her during the surgery. For example, she described the appearance of a bone saw used by the surgeon as well as conversations that occurred during the procedure. 5. Brain Activity Monitoring: During the operation, Pam's brain activity was monitored using various methods, including electroencephalography (EEG) and somatosensory-evoked potentials (SSEPs). These recordings indicated a complete absence of brain activity during her OBE, making it unlikely that her experiences were the result of any brain processes. 6. Scientific Explanation: Some researchers have proposed that Pam's OBE may have been a result of a "dying brain" phenomenon, suggesting that the brain may generate such experiences as a coping mechanism during life-threatening situations. However, the exact mechanism behind OBEs and their relation to brain activity remains a topic of ongoing debate in the scientific community.