stackyFACTSIf you want to definitively figure out if someone is an introvert without talking to them, just put a drop of lemon juice on their tongue. Due to heightened baseline arousal in the reticular activating system, introverted individuals physically produce significantly more saliva in response to sour stimuli than extroverts do.
Keep exploring facts in this topic.
Psychology →STACKY FOR IPHONEKeep discovering with Stacky. Interesting facts in an app that is always within reach.
Proprioceptive drift occurs when you hold entirely still for too long, and your sensory map starts to glitch. Without constant movement to update the physical…
Discover more
You smash your toe into a table leg, and for one brief, glorious second, nothing happens. This nociceptive delay exists because sharp, immediate pain travels…
Discover more
When engaging in a highly precise physical task like threading a needle, you might unconsciously bite your lip or stick out your tongue. This is motor…
Discover more
Hypersomnia proves that you absolutely can have too much of a good thing. Instead of feeling refreshed after twelve hours of rest, the excessive duration…
Discover more
Some people can literally walk on broken glass and just shrug. This high nociceptive threshold means their sensory nerves are incredibly sluggish at sending…
Discover more
If staring at a vast mountain range or a beautiful painting gives you goosebumps, you can blame your personality. People who score high in the 'openness to…
Discover more