Brain Research
Study points to whole-brain network coordination as a key feature of general intelligence
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University of Notre Dame researchers report evidence that general intelligence is associated with how efficiently and flexibly brain networks coordinate across the whole connectome, rather than being localized to a single “smart” region. The findings, published in Nature Communications, are based on neuroimaging and cognitive data from 831 Human Connectome Project participants and an additional 145 adults from the INSIGHT Study.
Researchers affiliated with MIT argue that transcranial focused ultrasound—a noninvasive technique that can modulate activity in deep brain regions—could enable more direct, cause-and-effect tests of how conscious experiences arise. In a “roadmap” review in *Neuroscience & Biobehavioral Reviews*, they describe experimental approaches aimed at distinguishing between competing accounts of where and how awareness is generated in the brain.
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Researchers at Karolinska Institutet have identified how alpha oscillations in the brain help distinguish the body from the surroundings. Faster alpha rhythms enable precise integration of visual and tactile signals, strengthening the feeling of bodily self. The findings, published in Nature Communications, could inform treatments for conditions like schizophrenia and improve prosthetic designs.
Researchers have used functional MRI to scan the brains of soccer fans, uncovering how victories amplify reward signals while defeats suppress cognitive control. The study, published in Radiology, highlights neural circuits linking sports fandom to broader forms of fanaticism. These findings suggest early life experiences shape emotional responses that can extend to political and social conflicts.
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An evolutionarily ancient midbrain region, the superior colliculus, can independently carry out visual computations long attributed mainly to the cortex, according to a PLOS Biology study. The work suggests that attention-guiding mechanisms with roots more than 500 million years old help separate objects from backgrounds and highlight salient details.
New human studies on transcranial focused ultrasound (tFUS) demonstrated its ability to alter perception, mood, and decision-making, with expansions reported on September 9, 2025.