3. Evolution Flashcards
When did hominids split off from common ancestor shared with chimpanzees?
6 million years ago
When did hominids descend from trees?
4 million years ago
Fashioned stone tools, with newly developed hand.
2.5 million years ago
First people to leave Africa?
2 million years ago, all extinct
When did first modern humans leave Africa?
60,000 years ago
When was Western Europe settled by humans?
38,000 years ago - already mass-producing beads
How did cro-magnon humans in Europe make beads?
By digging hole in material. Drilling not yet developed.
Big cultural difference between neanderthals and humans?
Neanderthals seemed to have no symbolic life. No complex burials, no art, no pictures. Modern humans treated dead with extreme care.
Who had bigger brains, neanderthals or humans?
Same size.
What characterised human technology before 50,000 years ago?
Same technology used over and over again for millennia. E.g., identical stone hand axe used for more than one million years.
Social difference between neanderthals and humans?
Neanderthals lived in small isolated groups without contact with other neanderthals. Humans developed trade and shared information and art with other tribes.
How many neurons and how many connections human brain?
100 billion neurons, 100 trillion connections.
Why is theory of mind and social competence important?
Allows you to out-compete others and get more access to resources.
How much of human conversation is dedicated to talking about social relationships, according to Dunbar?
2/3
When does theory of mind –passing the attribution of false belief test –come online?
Around 4.
