This is true for far Eastern styles of meditation, but it's not true for Christian meditation[1]. It aims to fill the mind rather than to empty it. In general Christian meditation is practiced more by the various Eastern Christian Churches, but there are Western traditions as well. I'm by no means an adept at the practice, but it has benefited me pragmatically and spiritually.
" Truly, truly, I say to you, unless a grain of wheat falls into the earth and dies, it remains alone; but if it dies, it bears much fruit." John 12:24
"I have been crucified with Christ. It is no longer I who live, but Christ who lives in me. And the life I now live in the flesh I live by faith in the Son of God, who loved me and gave himself for me. " Galatians 2:20
" For whoever strives to save his life will lose it, but whoever loses his life for my sake will save it. " Mark 8:35
Lots more.
apophatic is more similar to negation of self
however, it is not the same
the idea is to remove accidental properties until one perceives the essence itself, like peeling an onion with a diamond in the middle
Modern / Hindu / Buddhist meditation (or what i have read and understood) typically centers around emptying one’s self or chanting a certain phrase to reach enlightenment.
Christian meditation is about filling oneself with the Holy Spirit and denying our own selfish desires.
When God gives his law for humanity in the book of Joshua he commands the people to “meditate on it day and night” because that is the way he intends them to know Him better.