tongue map

Tongue Map: Difference Depending on The Part of The Tongue

Do you know the taste map?

The taste-sensing receptors on the tongue are called “taste buds”.

Taste maps were previously found in textbooks around the world, but are no longer available.

Because most of the information in this figure is incorrect.

Your tongue accept 5 kinds of tastes below.

  • Sweetness
  • Saltiness
  • Sourness
  • Bitter taste
  • Umami

According to the taste map, the type of taste accepted depends on the part of the tongue.

However, in reality, all taste buds can accept all tastes.

In other words, there is no difference in the type of taste received between the tip of the tongue and the back of the tongue.

Why did such a lie spread all over the world?

The cause was in a treatise written by Henig of Germany in 1901.

In that treatise, human’s sense of taste was divided into four types.

  • Sweetness
  • Saltiness
  • Sourness
  • Bitter taste

And it was stated that the sensitivity was biased depending on the part of the tongue.

In 1942, Harvard psychologist Edwin Boring quoted the treatise and published it anew.

Bowling correctly quoted Hoenig’s report, but it was misleading.

Sensitivity is only biased, not completely separated.

The misunderstanding was not corrected, and it developed into the taste map.

From around the 1990s, the content of this figure began to be completely denied and was erased from textbooks around the world.

Smithsonian MAGAZINE: The Taste Map of the Tongue You Learned in School Is
All Wrong

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