extinction$26931$ - definition. What is extinction$26931$
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FADING OF NON-REINFORCED CONDITIONED RESPONSE OVER TIME
Extinction burst; Extinction learning; Operant extinction; Psychological extinction; Extinction (psychology

extinct         
  • The [[golden toad]] was last seen on May 15, 1989. [[Decline in amphibian populations]] is ongoing worldwide.
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  • Scorched land resulting from [[slash-and-burn]] agriculture
  • The [[passenger pigeon]], one of the hundreds of species of extinct birds, was hunted to extinction over the course of a few decades.
  •  title-link = Guns, Germs, and Steel }}</ref>
  • The large [[Haast's eagle]] and [[moa]] from New Zealand
  • date=February 2022}}</ref>
  • hdl-access=free }}</ref>
  • ''[[Tyrannosaurus]]'', one of the many extinct dinosaur genera. The cause of the [[Cretaceous–Paleogene extinction event]] is a subject of much debate amongst researchers.
  • Skeleton of various extinct [[dinosaur]]s; some other dinosaur lineages still flourish in the form of [[birds]]
TERMINATION OF A KIND OF ORGANISM OR OF A GROUP OF SPECIES IN A POPULATION OR GLOBALLY OVER CERTAIN PERIOD OF TIME
Extict; Extinct; Species loss; Extinctions; Animal extinction; Species extinction; Specicide; Extinction (biology); Extinction (geology); Species Extinction; Planned extinction; Extinction rate; Extinct taxon; Loss of species; Causes of extinction; Biological extinction; Species loss survey
a.
1.
Extinguished, quenched, put out.
2.
Ended, terminated, closed, vanished, brought to an end, no longer existing.
extinct         
  • The [[golden toad]] was last seen on May 15, 1989. [[Decline in amphibian populations]] is ongoing worldwide.
  • 50px
  • url-status=live}}</ref>
  • quote=}}</ref>
  • Scorched land resulting from [[slash-and-burn]] agriculture
  • The [[passenger pigeon]], one of the hundreds of species of extinct birds, was hunted to extinction over the course of a few decades.
  •  title-link = Guns, Germs, and Steel }}</ref>
  • The large [[Haast's eagle]] and [[moa]] from New Zealand
  • date=February 2022}}</ref>
  • hdl-access=free }}</ref>
  • ''[[Tyrannosaurus]]'', one of the many extinct dinosaur genera. The cause of the [[Cretaceous–Paleogene extinction event]] is a subject of much debate amongst researchers.
  • Skeleton of various extinct [[dinosaur]]s; some other dinosaur lineages still flourish in the form of [[birds]]
TERMINATION OF A KIND OF ORGANISM OR OF A GROUP OF SPECIES IN A POPULATION OR GLOBALLY OVER CERTAIN PERIOD OF TIME
Extict; Extinct; Species loss; Extinctions; Animal extinction; Species extinction; Specicide; Extinction (biology); Extinction (geology); Species Extinction; Planned extinction; Extinction rate; Extinct taxon; Loss of species; Causes of extinction; Biological extinction; Species loss survey
¦ adjective
1. (of a species or other large group) having no living members.
no longer in existence.
(of a volcano) not having erupted in recorded history.
2. (of a title of nobility) having no valid claimant.
Origin
ME (in the sense 'no longer alight'): from L. exstinct-, exstinguere (see extinguish).
Extinction (psychology)         
Extinction is a behavioral phenomenon observed in both operantly conditioned and classically conditioned behavior, which manifests itself by fading of non-reinforced conditioned response over time. When operant behavior that has been previously reinforced no longer produces reinforcing consequences the behavior gradually stops occurring.

ويكيبيديا

Extinction (psychology)

Extinction is a behavioral phenomenon observed in both operantly conditioned and classically conditioned behavior, which manifests itself by fading of non-reinforced conditioned response over time. When operant behavior that has been previously reinforced no longer produces reinforcing consequences the behavior gradually stops occurring. In classical conditioning, when a conditioned stimulus is presented alone, so that it no longer predicts the coming of the unconditioned stimulus, conditioned responding gradually stops. For example, after Pavlov's dog was conditioned to salivate at the sound of a metronome, it eventually stopped salivating to the metronome after the metronome had been sounded repeatedly but no food came. Many anxiety disorders such as post traumatic stress disorder are believed to reflect, at least in part, a failure to extinguish conditioned fear.