Telepathy

Telepathy was the psychic ability to sense and manipulate thought, which often manifested as mind-to-mind communication. The term could also be used to describe and was often linked to mind-control and certain types of hypnosis.

According to the Fourth Doctor, the presence of a time fissure could enable humans to develop telepathy and precognitive powers. (TV: Image of the Fendahl)

Telepathy could take varied forms: from an exchange of images, experiences (TV: The Three Doctors), to associated emotions and even mind-to-mind "conversation" between two or more individuals. (AUDIO: Worldwide Web) Time Lords, for example, tended to be touch-telepaths, but weren't always limited in this fashion. (TV: The Girl in the Fireplace, The Lodger, The Eaters of Light)

TARDISes such as the Doctor's Type 40 had telepathic abilities through dedicated systems known as telepathic circuits. The circuits translated thoughts (TV: Boom Town) and any language for the passengers. (TV: The End of the World, The Fires of Pompeii)

A rare mineral known as matricite could block telepathy. (PROSE: Synthespians™)

On Yemaya 4 in 2257, several human colonists developed telepathic and telekinetic abilities. (PROSE: Sleepy)

The Eleventh Doctor used a headbutt to telepathically transfer a large amount of information, including general background information, to Craig in order to explain why he was there. (TV: The Lodger)

Silurian Madame Vastra and human Jenny Flint could have telepathic conversations, such as when Jenny was struggling to hold her breath and Vastra advised Jenny to share their oxygen. (TV: Deep Breath)

The Twelfth Doctor used the ability to tell Bill Potts to wait for him. (TV: World Enough and Time)

Telepathic species

 * Gallifreyans (including Time Lords) (TV: The Sensorites)
 * The Master Race (TV: The End of Time)
 * Sensorites (TV: The Sensorites)
 * Humans (TV: Planet of the Spiders, The Face of Evil, PROSE: Sleepy)
 * Eight Legs (TV: Planet of the Spiders)
 * The Xhinn (PROSE: Amorality Tale)
 * Eternals (TV: Enlightenment)
 * Psychic worms (AUDIO: The Wormery)
 * Kitlings (TV: Survival)
 * Cheetah People (TV: Survival)
 * Boekind (TV: New Earth)
 * Weevils (TV: Combat)
 * Arcateenians (TV: Greeks Bearing Gifts, Invasion of the Bane)
 * The Ood (TV: The Impossible Planet / The Satan Pit)
 * Vespiforms (TV: The Unicorn and the Wasp)
 * Silurians (TV: Doctor Who and the Silurians, Warriors of the Deep)
 * Haemovores (TV: The Curse of Fenric)
 * Osirans (TV: Pyramids of Mars)
 * Nestenes (TV: Spearhead from Space, Terror of the Autons, Rose)
 * Bodach (TV: Dream-Eaters)
 * Bane (TV: Invasion of the Bane)
 * Gastropods (TV: The Twin Dilemma)
 * Jukstans (PROSE: The Vampires of Crellium)

Individuals with telepathic ability

 * Susan Foreman (TV: The Sensorites)
 * The Doctor (TV: The Girl in the Fireplace, Fear Her, Planet of the Ood, The Eleventh Hour, The Lodger, The Big Bang, The Almost People, Into the Dalek)
 * Timothy Latimer (TV: Human Nature, The Family of Blood)
 * Carmen (TV: Planet of the Dead)
 * Gwyneth (TV: The Unquiet Dead)
 * Face of Boe (TV: New Earth, Gridlock)
 * Ood Elder (TV: The End of Time)
 * Mary (TV: Greeks Bearing Gifts)

Devices to facilitate telepathy

 * IRIS Machine (TV: Planet of the Spiders)
 * Telepathy pendant (TV: Greeks Bearing Gifts)