We describe a model of visual processing in which feedback connections from a higher- to a lower-order visual cortical area carry predictions of lower-level neural activities, whereas the feedforward ...

Feb. 8, 2026 Your gut is home to trillions of bacteria that constantly “sense” their surroundings to survive and thrive. New research shows that beneficial gut microbes, especially common Clostridia ...

Global healthcare spending is $9.8 trillion annually, with the U.S. accounting for about $4.9 trillion. Investors can consider drug, medical device, payer, and healthcare provider stocks. Focus on ...