BIGTHINK: A glitch in the neuromatrix: the science of phantom presence / You know that ghostly feeling that someone is nearby even though nobody is? It could be a trick of neural timing.

https://bigthink.com/neuropsych/science-of-phantom-presence/

A glitch in the neuromatrix: the science of phantom presence

A misalignment of neural timing could lay behind the sensation of somebody nearby who is not in fact there.

Big Think