Telepathy

Telepathy is a psychic ability which allows mind-to-mind communication. TARDISes such as the Doctor's Type 40 have telepathic abilities from dedicated systems known as Telepathic circuits; among other functions, these translate any language for the passengers.

A rare mineral known as Matricite can block telepathy. (PDA: Synthespians™)

On Yemaya 4 in 2257 several human colonists develop telepathic and telekinetic abilities. (NA: Sleepy)

Telepathic species
Species known to have telepathic powers include:
 * The Time Lords (DW: The Sensorites)
 * Sensorites (DW: The Sensorites)
 * Humans (DW: Planet of the Spiders, NA: Sleepy)
 * Eight Legs (DW: Planet of the Spiders)
 * The Xhinn (PDA: Amorality Tale)
 * Eternals (DW: Enlightenment)
 * Kitlings (DW: Survival)
 * Cheetah People (DW: Survival)
 * Boekind (DW: New Earth)
 * Weevils (TW: Combat)
 * The Butterfly People (TW: Greeks Bearing Gifts SJA: Invasion of the Bane)
 * The Ood (DW: The Impossible Planet, The Satan Pit)
 * Vespiforms (DW: The Unicorn and the Wasp)

Devices to facilitate telepathy

 * Telepathic circuits
 * Telepathic recorder
 * IRIS Machine (DW: Planet of the Spiders)
 * Telepathy pendant (TW: Greeks Bearing Gifts)