This clinical study of 63 heart-attack victims treated at Southampton Hospital found seven patients who had formed memories while their hearts were stopped and their brain function was severely impaired, including four who met the Grayson Scale criteria for NDEs.
這項南漢普敦醫院的臨床研究，針對 63 位心臟病突發、經急救死裡逃生者發現，有 7 個人在心臟停止跳動、腦部嚴重受損時仍有記憶，其中 4 人還通過了評估是否具瀕死經驗的「葛萊森量表」（含測謊評估）。