New research challenges the assumption that brains learn best through repetition, finding that associative learning relies more on how much time passes between rewards.

More than a century ago, Pavlov trained his dog to associate the sound of a bell with food. Ever since, scientists assumed the dog learned this through repetition: The more times the dog heard the ...

Obesity leads to altered energy metabolism and reduced insulin sensitivity of cells. The so-called 'anti-obesity drugs' are increasingly used to treat obesity and have caused tremendous interest, ...

The ability to make the connection between an event and its consequences -- experts use the term associative learning -- is a crucial skill for adapting to the environment. It has a huge impact on our ...