STD - 10 S0CIAL SCIENCE SUBJECT ALL UNIT MCQ FOR BOARD EXAM
A psychic is a person who claims to use extrasensory perception (ESP) to identify information hidden from the normal senses, particularly involving telepathy or clairvoyance, or who performs acts that are apparently inexplicable by natural laws. Many people believe in psychic abilities, but there is no scientific consensus as to the actual existence of such powers. The word "psychic" is also used as an adjective to describe such abilities. In this meaning, this word has some synonyms, as parapsychic or metapsychic.
Psychics encompass people in a variety of roles. Some are theatrical performers, such as stage magicians, who use various techniques, e.g., prestidigitation, cold reading, and hot reading, to produce the appearance of such abilities for entertainment purposes. A large industry and network exists whereby people advertised as psychics provide advice and counsel to clients.Some famous psychics include Edgar Cayce, Ingo Swann, Peter Hurkos, Jose Ortiz El Samaritano, Miss Cleo, John Edward, Sylvia Browne, and Tyler Henry. Psychic powers are asserted by psychic detectives and in practices such as psychic archaeology and even psychic
Critics attribute psychic powers to intentional trickery or to self-delusion. In 1988 the U.S. National Academy of Sciences gave a report on the subject and concluded there is "no scientific justification from research conducted over a period of 130 years for the existence of parapsychological phenomena."A study attempted to repeat recently reported parapsychological experiments that appeared to support the existence of precognition. Attempts to repeat the results, which involved performance on a memory test to ascertain if post-test information would affect it, "failed to produce significant effects," and thus "do not support the existence of psychic ability," and is thus categorized as a pseudoscience.
Psychics are frequently featured in science fiction (sometimes called psionic or psyonic). Two fiction series, Talent and The Tower and Hive, encompassing eight books by Anne McCaffrey tell the story of telepathic, telekinetic individuals who become increasingly important to the proper function of an interstellar society. People with psychic powers appear regularly in fantasy fiction, such as the novels The Dead Zone, Carrie and Firestarter, by Stephen King, among many others.
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