In the case of Optical Phase Conjugation that is correct. Which is why I said "apparent" in my original post.
Physics allow for -t in many places.
However in the case of psi it is about time, that is effect happens before the cause.
"... PAA [predictive anticipatory activity, an other term for Presentiment], the predictive physiological anticipation of a truly randomly selected and thus unpredictable future event, has been under investigation for more than three decades, and a recent conservative meta-analysis suggests that the phenomenon is real. ..."
However in the case of psi it is about time, that is effect happens before the cause.
"... PAA [predictive anticipatory activity, an other term for Presentiment], the predictive physiological anticipation of a truly randomly selected and thus unpredictable future event, has been under investigation for more than three decades, and a recent conservative meta-analysis suggests that the phenomenon is real. ..."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3971164/