It is in our human nature to contemplate death, and the way we depict death is often associated with images of dead animals, humans, birds, and flies.
So what is the connection between all of this that we haven’t considered before?
Smell!
Current research shows that the human nose can detect different types of odors, which cannot be classified into any one category, but reacts to them.
For example, an odor caused by a chemical called putrescine.
It’s a chemical released when the body begins to decompose, and there’s one small problem: the smell is the result of anti-necrotic behaviors of animals throughout evolution, and these reactions are thought to have originated at least 420 million years ago. before.
Animals are thought to respond to the smell of patrescine as a sense of danger in two ways.
- response to the presence of predators, and
- secondly, instinct tells him to run because his life is in danger.
Scientists conducted 4 different experiments on humans with a mixture of putrescine, water and ammonia, and confirmed that human reactions and behavior are no different from animal behavior.
Vigilance
In the first experiment, vigilance was tested by exposing participants to the odor of putrescine.
The results showed that participants exposed to the smell of decay were significantly more alert than those exposed to ammonia or water.
Escape behavior
In a second experiment, the scientists tested a group of unsuspecting people and asked them to rate the smell’s intensity, disgust, and familiarity.
The researchers wanted to see how the group responded to the smell and how fast the participants could walk 80 meters.
People who smelled putrescine tended to move away from the area more quickly, suggesting that the smell evokes a strong desire to escape.
In another experiment, after a group smelled patrescine, the researchers instructed the participants to fill in word stems.
The results showed that the smell of putrescine led the group to generate word stems, all of which were associated with escape and escape.
The scent is enhanced by the use of string words.
Defense and hostility
In the last experiment, participants were exposed to a pleasant odor that they did not notice. In this experiment, they were given a text to study and tasked with evaluating its author.
They failed to detect the subtle smell of putrescine, and participants showed defensiveness and hostility toward the author.
In addition, unconscious exposure to odors has been shown to elicit protective behaviors in participants.
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