Scientists Have Discovered an Ancient Brain Circuit That Filters Distractions

1 · Thedebrief · June 28, 2026, 2:52 p.m.
Neuroscience Science adhd attention brain circuit Attention Filtering Prefrontal Cortex Neuroscience
Summary
This blog post discusses a discovery related to an ancient brain circuit thought to filter distractions, suggesting that prior to the evolution of the prefrontal cortex, another brain system may have already been managing attention.
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