Tonic Immobility Meaning, Synonyms, Antonyms, Translation, Use Cases

tonic immobility

Ever heard of tonic Immobility and wondered what it might actually mean?

In this article, we are going to elaborate on the phrase to give you a proper understanding of it together with its use in English.

 

Meaning

Tonic Immobility is a behavior in which animals appear to have passed away.

It is a behavior, in which animals appear to be temporarily paralyzed and unresponsive to outside stimuli.

In the world of science, it is considered to be a fear of potentiated reaction, which is characterized by a decreased reactivity to external stimuli.

A perception that the prey animal will appear to be dead in order to flee when/if the predator loses focus.

Tonic immobility is a defense mechanism for prey animals as they pretend to be dead and do not respond to external stimuli when being tossed around by a predator.

 

Synonyms

Apparent death

Playing dead

Autohaemorrhaging

Hypnotism

Thanatosis.

Playing possum

Feigning death

Aggressive mimicry

Temporarily paralyzed

 

Antonyms

Anti predator

Adaptation

Stimulation

Responsiveness

Excite

Galvanic skin

Automatism

 

Pronunciation

Tonic – (/tɒnɪk/) noun, adjective

Immobility (/ɪmouˈbɪlɪti/) noun

 

Translation

Spanish – Inmovilidad tónica

French – Coût immobilisé

Turkey – tonik hareketsizlik

 

Etymology Of Use

The phrase was first used in Rome by Athanasius Kircher in his publication of a book (Mirabile Experimentum de Imaginatione Gallinae)

 

Use Cases

  • There is no real reason for an apex predator’s tonic immobility to avoid predation – which is the normal reason an animal would retain this reflex on an evolutionary basis.
  • Tonic immobility barely lasts for around fifteen minutes and the shark can emerge entirely unscathed.
  • Although this is a normal physiological response to a sudden change in position, researchers saw an increase in heart rate and breathing immediately after periods of tonic immobility.
  • Some orcas will side-ram sharks to stun them, then flip the sharks to cause tonic immobility and maintain this state for an extended period of time.
  • Although there hasn’t been much research on people with tonic immobility, this is starting to change recently in order to correctly diagnose patients.

 

Frequently Asked Questions

What is the evolutionary reason for tonic immobility in sharks?

The natural reason an animal would preserve this reaction on an evolutionary basis is to avoid predation, therefore there is no genuine justification for an apex predator to simulate being “dead” to do so.

The only papers I’ve seen imply that it has been kept as a component of the sharks’ reproductive strategy because it puts the animals that are mating in a tranquil state.

However, this information is primarily based on circumstantial evidence. As a result, the likelihood that it is an evolutionary artifact from the time that Darkeosteus roamed the seas and fed on primitive sharks is about equal.

 

Do animals remain conscious during tonic immobility?

Some animals, despite appearances, are conscious throughout the time of tonic immobility. The sporadic response movement, monitoring of the environment, and animals playing dead frequently taking advantage of escape opportunities are evidence of this.

 

Summary

Animal hypnosis is a natural condition of paralysis. Its purpose is unclear. It might be connected to mating in some species, including mammals and sharks. It might also be a means of fending off or scaring away predators (playing dead is called thanatosis).

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