"Mental mediumship" is communication of spirits with a medium by telepathy. The medium mentally "hears" (clairaudience), "sees" (clairvoyance), and/or feels (clairsentience) messages from spirits. Directly or with the help of a spirit guide, the medium passes the information on to the message's recipient(s). When a medium is doing a "reading" for a particular person, that person is known as the "sitter".
The psychic, who'd had her hand on my phone screen the whole time, said she had felt it shaking and that it was probably a sign Emily was around (my friend had sent me two texts around that time). She also said she had been praying and crying with me too (I'm recovering from a cold and sniffled a few times to try to keep mucus from dripping out of my nose). She took the statue, closed her eyes and murmured for 30 seconds, then took the glass cube off the cup and lifted the cup. The dregs formed a vaguely heart-shaped smear on the saucer.
In September 1878 the British medium Charles Williams and his fellow-medium at the time, A. Rita, were detected in trickery at Amsterdam. During the séance a materialized spirit was seized and found to be Rita and a bottle of phosphorus oil, muslin and a false beard were found amongst the two mediums. In 1882 C. E. Wood was exposed in a séance in Peterborough. Her Indian spirit control "Pocka" was found to be the medium on her knees, covered in muslin.