A new study reveals a hidden brain defense: base barrier cells. These cells form a molecular seal in the choroid plexus, acting as a gatekeeper against systemic inflammation and potential ...

Recent advances in neuroimaging and molecular analyses have considerably enriched our understanding of cetacean brain anatomy and the evolutionary pressures shaping its distinctive features. Cetaceans ...

In A Nutshell Harvard researchers developed BrainIAC, a single AI model that can be adapted to analyze brain scans for conditions from Alzheimer’s to cancer, eliminating the need to build separate ...

A saliency map produced by the new AI model displays the average difference in saliency between cognitively normal participants in their 50s and those in their 70s. Saliency highlights brain regions ...

Fear has a scent. Here’s how this invisible chemical signal has shaped human perceptions, emotions and survival instincts.

A new artificial intelligence model measures how fast a patient's brain is aging and could be a powerful new tool for understanding, preventing and treating cognitive decline and dementia. A new ...