Usually when people drink something and it’s not what they thought they were going to drink they spit it out or react negatively. How does our brain do that?
In: Biology
In nature, the most common reason for something to not taste how you expect is that it’s turned sour/rotted. Plus just in general we like to know what we are consuming. So any unexpected taste, even a pleasent one, is treated as very suspect and not something you want to put on your body.
Because your brain colors your expectations. So when the unexpected happens on your tongue your brain is trying to protect you from ingesting something toxic.
I have no idea, this is just a guess.
It’s not just the drink itself but its characteristics too.
If we expect a drink to have a certain taste, texture, temperature, etc then any incongruency between what our taste receptors report to the brain and what the brain was expecting will usually prompt us to stop drinking so that we can determine what the drink is before we put a potentially dangerous unknown liquid into our body.
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