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Why are recurring dreams usually nightmares?

Recurring dreams may feature taking a test the dreamer didn’t study for, having to make a speech or being attacked. Here’s why our sleeping brain comes back to these unpleasant dreams again and again

Anthropic adds “Citations” in bid to avoid confabulating AI models

On Thursday, Anthropic announced Citations, a new API feature that helps Claude models avoid confabulations (also called hallucinations) by linking their responses directly to source documents. The feature lets developers add documents to Claude’s context window, enabling the model to…

The brain’s reward system and PTSD: New insights from research

Researchers have recently uncovered new insights into how the brain’s reward system functions in individuals with posttraumatic stress disorder (PTSD) and its relationship with psychological resilience and metabolic syndrome. The study, published in Psychiatry Research: Neuroimaging, highlights distinct patterns of…