Psychic projection

A psychic-projection was a psychically generated construct that could become corporeal and interact with the world.

The Malus was able to create psychic-projections of soldiers from the English Civil War, and was even able to connect time zones to allow for Will Chandler to cross into 1984. (TV: The Awakening)

The Sixth Doctor used Vilal psychic technology to create a giant version of himself in Time Lord robes and forced the Vilal and the Zerith to end their war. (AUDIO: Quicksilver)