Out-of-body experience - Wikipedia

Etheric body - Wikipedia

Out-of-body experience - Wikipedia

Can religious experience be artificially induced by neuroscience? - Quora

Frontiers Voluntary Out-of-Body Experience: An fMRI Study

How Power Naps Are Related to Near-Death Experiences - Atlas Obscura

Chakra - Wikipedia

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Cosmic consciousness

The out-of body experience: precipitating factors and neural correlates - ScienceDirect