The adolescent brain Week 2 Part 2

Based on: A Neurocognitive Perspective on the Development of Social Decision-Making

When do children start helping others?

12-18 months

When do children start to comfort others?

2 years

What is the Dictator game?

One player gets to decide how to split money recieved.

How do childrens offers in the dictator game change with age?

Their trust increass between the ages 3-8. By 9 it’s the same as adults.

When do children start percieving fairness as things being equal

as young as 15 months

What is the Ultimatum game?

One player (the proposer) provides a one-time offer to the other (the responder). The responder can choose to either accept or reject the proposer's bid, but rejecting the bid would result in both players receiving a payoff of 0

How do children’s offers in the Ultimatum game compare to adults?

They offer a smaller share

How does knowing theory of mind influence offers in a negotiation tasks

The offers become more generous

What is the trust game?

The first player (the trustor) is given the choice of either splitting the stake with a second player (the trustee) or transferring the entire endowment to the trustee and let the trustee split the stake. When the trustor decides to trust the trustee by transferring everything, the stake is multiplied (usually by 3 or 4). The trustee can reciprocate trust by sharing this higher stake equally, or defect trust and keep all the money.

How does the frequency of trusting other players in the trust game change during adolescence?

It increases

How does the frequency of reciprocacy change dring adolescence?

It increases

Adults reciprocate more when the trustor makes riskier trust decisions.

How do children react?

Their reciprocation does not change. It increases during adolescence.