Topic: noradrenergic mechanisms

Learning whom to trust is an important social skill, which can be affected by aging and loneliness. An often-used experimental task to study trust learning is the repeated trust game (Berg et al., 1995) where participants repeatedly invest money in another player who can be trustworthy – or not. 50 healthy, neurotypical older adults (64 to 84 years) and 62 younger adults (age: 20 to 33, see Sladky & Riva et al., 2022) played the repeated trust game (Figure 1a) while undergoing 3T functional MRI. We found that trust learning was impaired in older adults, particularly in those who reported h