Scientists at Karolinska Institutet in Sweden have discovered a specific brain circuit that triggers repetitive and compulsive behaviors, overriding natural rewards like food or social interaction. () ...

Feeding in mammals is controlled by a complex neural system. Although several key neural pathways related to total calorie intake have been extensively studied, it is still unclear how food choices ...

When engineers build AI language models like GPT-5 from training data, at least two major processing features emerge: memorization (reciting exact text they’ve seen before, like famous quotes or ...