Carl Jung’s theory of synchronicity is a muddle, little more than a label slapped onto a mystery without really offering any illumination. Synchronicity seems like a placeholder concept, awaiting a better, more coherent story.
Can your brain detect events before they even occur? That was the stunning conclusion of a 2012 meta-analysis of experiments from seven independent laboratories over the last 35 years, which found that the human body “can apparently detect randomly delivered stimuli occurring 1-10 seconds in the future”
In a nonlocal universe such as ours, the accuracy of our psychic
awareness is found to be independent of space and time. Such spatial and
temporal independence is what we mean by the nonlocality of the space in which we live. The idea of entanglement of separated quantum particles that were once together is now well accepted by physicists.