Summary: The microbial ecosystems in our mouths may impact cognitive function as we age, with pathogenic bacteria linked to cognitive decline. Researchers found that beneficial bacteria, such as Neisseria, are…
Tag: pnas nexus
AI Tweaks Personality Tests to Appear More Likable
Summary: Large language models (LLMs) can identify when they are being given personality tests and adjust their responses to appear more socially desirable. Researchers found that LLMs, like GPT-4, showed…
Mental Fatigue Increases Temptation for Rewards
Summary: New research reveals that mental fatigue makes rewards like unhealthy snacks more tempting. Both rats and humans who exerted cognitive effort sought out more rewards, with rats self-administering more…
Overestimation of Opponents’ Immorality Fuels Political Divide
Summary: A study reveals that Democrats and Republicans overestimate how much the opposing party approves of clearly immoral acts like theft or animal abuse. This “basic morality bias” is evident…
