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Memory Beta, non-canon Star Trek Wiki
Memory Beta, non-canon Star Trek Wiki

Running a psychoscan.

A psychoscan is a type of medical scan specifically for detecting and diagnosing mental illnesses or other conditions. A psychotricorder could be used for such scans in field conditions. (TOS episode: "Wolf in the Fold")

History and specifics[]

Starfleet Regulation 73-C, subsection A required all Starfleet personnel to undergo a routine psychological scan at least once a year, or whenever deemed necessary by a physician. (TOS novel: Strangers from the Sky)

In 2266, Dr. Krisp ran a psychoscan on Jay Nordyke, an investigator who inspected the Mila Xa asteroid in the Delta system, then was unable to remember part of his visit. Krisp thought his memory loss might be caused by severe shock or brain tampering, and recommended the probe. Nordyke agreed, and during the probe he was able to recall traumatic incidents during the mission. (TOS comic: "The Haunted Asteroid")

In 2269, Dr. Leonard McCoy and Christine Chapel administered a psychoscan to Katalya Tremain via the Sigmund program, but the process was unable to determine the cause of her neurosis against Vulcans. (TOS novel: Vulcan!)

In 2270, the Master Computer of the Amusement Park planet conducted a psych-scan of a USS Enterprise psychiatrist in order to create a trans-droid duplicate of her. (TOS - Strange New Worlds I short story: "The Girl Who Controlled Gene Kelly's Feet")

In 2284, McCoy pressed Admiral James T. Kirk to undergo a psychoscan, to determine a reason for his recurring dreams about the characters and events from the novel Strangers from the Sky. Psychiatrist Krista Sivertsen showed McCoy the scan, pointing out dysfunctions with Kirk's short-term and long-term memories. Later it was determined that Captain Spock displayed identical readings from his own psychoscan. (TOS novel: Strangers from the Sky)