Hi, we've got three stories from Curiosity.com to help it get smarter in just a few minutes.

I'm Cody Gough.

And I'm Ashley Hamer.

Today you learn about Pavlov's dogs and why you might not know them as well as you thought,

the three types of perfectionism that are ruining

your life and what the universe is expanding into.

What satisfy some curiosity.

Remember Pavlov's dogs from psychology class?

Ivan Pavlov was the Russian physiologist best known for his work with the conditioned

reflex.

As in, he trained his dogs to salivate when they heard the sound of a bell because they knew

food was coming.

Well, today in mythbusting, we're going to take a second look at Pavlov's dogs

because it turns out you may have been lied to.

I use the term Pavlovian response all the time.

Me too, yeah. The generic term is

conditioned response which is not as cool at all. No not nearly. No. After this

story are we going to have to rethink our use of the term? It depends. According to the biography Ivan Pavlov, a Russian life in science, Pavlov never actually used a bell with his dogs.

According to his biographer, Professor Daniel P. Toads, it would have been a bad experimental practice to do that.

He wrote, quote, indeed, the iconic Bell would have proven totally useless to his real goal,

which required precise control over the quality and duration of stimuli.

He most frequently employed a metronome, a harmonium, a buzzer, and electric shock, unquote.

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