http://pimediaonline.co.uk/science-tech/lappel-du-vide-the-call-of-the-void/
Could it be a reflex of the reptilian brain, the same that causes birds to jump from trees when learning to fly?
In the tree of life, both mammals and birds developed from a reptilian ancestor, and given that the reptilian brain directs impulsive behaviour, could it be a reflex from a time when our ancestors had wings?
>>9103719
>our ancestors had wings
[citation required]
>>9103722
Totally got me there, they did not.
The theory proposed by some scholars is that it's observed in abnormal people and it indicates a defective mind. But I'm guessing it manifests in "normal" people as well. I remember having it from a young age, and I have almost no suicidal thoughts. What do you think it could be?