Death-Time Consciousness Detection Experiment: A Multimodal Instrumentation Blueprint for Measuring Physical Correlates of Human Dying Process

The existence and nature of human consciousness at the time of death remain among the most fundamental unanswered questions in science. While historical attempts—such as Duncan MacDougall’s 1907 “21-gram experiment”—lacked methodological rigor, recent advances in neuroscience, biomedical engineering, and quantum-level sensors enable a new generation of systematic investigation. This blueprint proposes a multimodal, high-resolution experimental design to detect potential physical signatures associated with human consciousness during the perimortem period. By integrating synchronized recordings from high-density EEG, ultra-sensitive magnetometers, electrometers, photon detectors, and hyperspectral imaging, the study aims to test the hypothesis that measurable transient electromagnetic, photonic, or thermal events may occur in conjunction with the cessation of cardiac and brain activity. The proposed framework emphasizes methodological rigor, artifact control, ethical safeguards, and interdisciplinary collaboration, positioning itself as a pilot roadmap for future large-scale studies of consciousness at death.