Efferent copies of motor signals inform the brain about previous contexts, movements, and subsequent sensations.

“literal copies literal copies efferent copies of those signals are sent to they propagate to the sensory areas telling the brain telling those neurons this is the last time we made this in this context when this other stuff just happened the like this temporal context right the and we made these movements here is what we saw next here is what we felt next here's what we smelled next”