Behavioural evolution

[tarak]

When and for what reason did the first primitive human smile in intellectual satisfaction?

The study of animal pleasure/pain expression behavior can lead to theory and genesis of emergence of human intelligence. It might have taken years for the progress from pain to pleasure and vice versa. When the first chimp started using a twig in the anthole the patterns of thought merged and it might have giggled silently over its achievement.Similarly when neolithic woman observed seedlings growout from the discarded seeds spit by them?? Any other interesting imagination????

[Fishteacher73]

Primates usually "smile" as a symbol of agression (Flashing the teeth).

[Apes Anonymous]

I think that the reflex of smiling, much like laughter, is a form of expression which was selected because of its beneficial effects on human groups such as facilitating bonding between individuals and creating a sense of community. How such a reflex would appear in humans is a difficult question to answer. One may think that it is pure coincidence that smiling ever saw the day, and that frowning (another reflex), for instance, could have easily replaced it to convey satisfaction.

[tarak]

I think that the reflex of smiling, much like laughter, is a form of expression which was selected because of its beneficial effects on human groups such as facilitating bonding between individuals and creating a sense of community. How such a reflex would appear in humans is a difficult question to answer. One may think that it is pure coincidence that smiling ever saw the day, and that frowning (another reflex), for instance, could have easily replaced it to convey satisfaction.

 

The adaptation of these reflexes over a period of time as a process of communication and behavior through selection might have helped the development of complex emotions.