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Added to these symptoms are the effects of no food or water in the person experiencing psychological distress: Cannon suggests that true shock, in the medical sense, could be the cause of death as a result of little food or water. States Cannon: "The combination of lack of food and water, anxiety, very rapid pulse and respiration, associated ...
A water cannon is a device that shoots a high-velocity stream of water. Typically, a water cannon can deliver a large volume of water, often over dozens of meters. They are used in firefighting, large vehicle washing, riot control, and mining. Most water cannons fall under the category of a fire monitor.
Walter Cannon began his career in science as a Harvard undergraduate in the year 1892. Henry Pickering Bowditch, who had worked with Claude Bernard, directed the laboratory in physiology at Harvard. Here Cannon began his research: he used the newly discovered x-rays to study the mechanism of swallowing and the motility of the stomach.
Cannon summarises the observations that serve as the basis for his theory of emotion which claims the thalamic region is the coordinating center for emotional reactions. [14] First, after the removal of the cerebrum anterior to the thalamus in animal test subjects, the animals continue to display rage-like emotional responses.
Vehicle-mounted water cannons may serve to augment personal weapons. Some water cannons let police add dye to mark rioters or tear gas to help disperse the crowds. In major unrest, police in armoured vehicles may be sent in following an initial subduing with firepower. Occasionally, police dogs, fire hoses, or mounted police are deployed.
Chinese water torture, or use of a dripping machine, [1] is a mentally painful process in which cold water is slowly dripped onto the scalp, forehead or face for a prolonged period of time. [1] The process causes fear and mental deterioration of the subject.
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Originally understood as the "fight-or-flight" response in Cannon's research, [3] the state of hyperarousal results in several responses beyond fighting or fleeing. This has led people to calling it the "fight, flight, freeze" response, "fight-flight-freeze-fawn" [1] [citation needed] or "fight-flight-faint-or-freeze", among other variants.