When Fight or Flight is not Enough

Posted 4 Aug 2006 at 22:21 UTC by steve Share This

In the early 1900s Walter Cannon formulated the phrase "fight or flight" to describe animal responses to a threat. Researchers have learned a lot since then but many people still use the outdated phrase, leading to faulty assumptions about animal behavior. These faulty assumptions could affect robotics researchers working on biologically inspired behaviors. H. Stefan Bracha argues that it's time to correct the popular phrase to something more like "Freeze, Flight, Fight, Fright, or Faint" (PDF format) which better represents the real world range and order of animal behavior. Freezing in the first repsonse to danger as the animal enters a hypervigilant state in which it becomes more alert and focuses on information gathering. Freezing is normally followed by an attempt to flee. If flight is impossible, the animal will then fall back on a fight response. If fighting fails, a fright response may result as the animal enters a state known as "tonic immobility" by ethnologists and "playing dead" by everyone else. In some mammals, such as Humans, a further evolutionary descendant of tonic immobility called fainting may occur.

Human/animal responses and accuracy with robots., posted 6 Aug 2006 at 10:23 UTC by marev » (Observer)

Yes fainting is an overload of stress on a person,especially in a real fight or flee situation and most probably with the built in result of making the opponents beleive the threat is neutralised or that they have no need for any further action when a person has passed out.This shows the benefits of robotic fighters either self thinking or controlled at a distance by a human,the robot has none of the fight/flee emotions if self thinking and human controlled machines vastly reduce the stress of the person who would otherwise of been in the bad situation themselves and leaves them with accuracy,good planning and safety.Thats why they work so good and are progressing all the time.

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