Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

By bridging the gap between theoretical logic and practical application, the syllabus fosters the technical proficiency and ...

This important study combines optogenetic manipulations and wide-field imaging to show that the retrosplenial cortex controls behavioral responses to whisker deflection in a context-dependent manner.

As another year comes and goes, our internet searches live on as a digital time capsule of life in 2025. On Thursday, Google released its annual Year in Search trend report, which shows the search ...

OpenAI Chief Executive Officer Sam Altman is redirecting internal resources to speed up improvements to ChatGPT, declaring a “code red” situation that will delay work on other initiatives, according ...

Gemini 3 is skilled at reasoning, generating video, and writing code. Amid talk of an AI bubble, Google notes the new model could help increase search revenue too. Google has introduced Gemini 3, its ...

Ads in your search results might be a little less annoying now. Ads in your search results might be a little less annoying now. is a senior reviewer with over a decade of experience writing about ...

The history of search offers clues about where we’re headed in the AI era – but there’s more to learn and more to do to move forward with practical steps. AI changes the way people search. Instead of ...

Google today “officially launched” (US English) AI Mode’s Search Live capability, with both audio and video input, today. From the top of the Google app, tap the “Live” icon next to the wide “AI Mode” ...

SAN FRANCISCO (AP) — A federal judge on Tuesday ordered a shakeup of Google’s search engine in an attempt to curb the corrosive power of an illegal monopoly while rebuffing the U.S. government’s ...

Abstract: Trust region policy optimization (TRPO) is an iterative reinforcement learning algorithm that both maximizes a surrogate objective based on a generalized advantage function and enforces a ...