US EditionThe Brain’s Hidden Radar: How Theta Waves Sweep the Mind to Spot the Unexpected
Theta-frequency brain waves rhythmically scan the visual cortex, modulating attention and memory performance, with effects increasing as memory load grows, researchers said.
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3 Articles
Working Memory in Non-Human Primates Depends on Theta Brain Wave
In a new study published in Neuron titled, “Working memory readout varies with frontal theta rhythms,” researchers from the Picower Institute for Learning and Memory at Massachusetts Institute of Technology (MIT) show that the ability to spot subtle changes in environment could depend on a theta-frequency brain wave (3–6 Hz) that scans through a region of the cortex which maps field of view. The findings explain how the brain implements visual w…
Theta Brain Waves Act Like Radar to Boost Visual Working Memory
New research shows that the brain’s ability to detect subtle visual changes—like spotting an anomaly on a security monitor—depends on theta-frequency brain waves (3–6 Hz) that rhythmically sweep across the cortex. These traveling waves act like a radar, scanning different parts of the visual field and influencing when and where attention peaks.
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