The Sound Researchers Are Calling ‘Most Terrifying in the World’ The 'Aztec Death Whistle' terrified people five centuries ago. The effect seemingly is the same even now, stated the Daily Mail.

ANCIENT Aztec ‘death whistles’ have a strange ‘uncanny valley’-style effect on the human brain, new research has found. These clay instruments were often shaped like human s… ...

Aztec death whistles have a unique instrumental construction . To understand the physical mechanisms behind the whistle's shrill and screeching sound, a team of researchers at the University of ...

The whistle sound is most similar to natural sounds and electronic music effects, and least similar to other instruments like Mexican flutes. Animal, human, and synthetic sounds fall somewhere in ...

Swiss and Norwegian neuroscientists have discovered that the ancient Aztec death whistle -- often credited with emitting the scariest sound on earth -- still terrifies people today due to a primal ...

Aztec Death Whistles Have A Terrifying Effect On Listeners ... “We furthermore found that skull whistle sounds received a specific decoding of the affective significance in the neural ...

Aztec death whistle may have been used to prepare sacrifice victims for journey to the afterlife because of their ominous, scream-like sound ... noises to study the effect they may have ...

“Death whistles,” or Aztec skull whistles, were short, carved instruments made of two opposing chambers where air could clash and create a “screeching sound,” according to a Nov. 19 news ...

“Death whistles,” or Aztec skull whistles, were short, carved instruments made of two opposing chambers where air could clash and create a “screeching sound,” according to a Nov. 19 news ...

Aztec death whistle may have been used to prepare sacrifice victims for journey to the afterlife because of their ominous, scream-like sound ...

Aztec death whistle may have been used to prepare sacrifice victims for journey to the afterlife because of their ominous, scream-like sound ...