Coma

A coma (or comatose state) is a state of unconsciousness in which a person is unresponsive to physical stimulation due to a reduction of neurological activity in the neocortex.

A coma can be the result of many things including head trauma and Iresine Syndrome. (TNG: "Violations")

In 2153, Phlox placed the crew of the Enterprise in a comatose state while the starship traversed a region of transdimensional space. This was done in order to dampen the crews' brain activity, as the affected region would disrupt the neocortex of the Human brain. (ENT: "Doctor's Orders")

In 2285, Torias Dax was in a fatal shuttle accident. He was said to have fallen in a six-month coma before dying, but in fact, he had died quickly, and had the Dax symbiont transferred to Joran Dax. (DS9: "Equilibrium")

In 2366, Doctor Beverly Crusher induced coma in Deanna Troi to shield her from all outside stimuli as she was affected by the music planted into her mind by Kevin Uxbridge. (TNG: "The Survivors")

In 2368, several crewmembers of the USS Enterprise-D, including Counselor Troi fell into comas as a result of an invasive telepathic memory attack performed by Jev, a member of the visiting Ullian deleagation. (TNG: "Violations")

In 2371, Julian Bashir was attacked by a Lethean named Altovar, who wanted to steal controlled medical equipment. Bashir was left in a coma, where he experienced a disturbing hallucination involving aging rapidly. (DS9: "Distant Voices") In that same year, Neelix on the USS Voyager fell into a coma after he had his lungs removed by a Vidiian. (VOY: "Phage")

In 2372, Benjamin Sisko sustain severe trauma to the head as a result of a Jem'Hadar attack. Kira Nerys attempted to prevent a coma by keeping him occupied with conversation. (DS9: "Starship Down")

In 2373, a shuttle accident left Jadzia Dax, Elim Garak, Odo and Benjamin Sisko in a coma. Residual morphogenic enzymes in Odo's brain created a telepathic link between the four, where they relived a disturbing memory of Odo's during the Occupation of Bajor. (DS9: "Things Past").

In the same year, Kes fell into a coma and Captain Kathryn Janeway attempted to save her life by going through a Nechani ritual. (VOY: "Sacred Ground")

In 2376, Lieutenant B'Elanna Torres was left in a coma, also caused by a shuttle accident. She experienced hallucinations relating to her Klingon heritage. She later re-created the conditions of the accident in order to return to the hallucination in an attempt to free her mother form Gre'thor. (VOY: "Barge of the Dead")

External link

• Coma at Wikipedia