Natalia Mesa on Muck Rack

Natalia Mesa

Verified
Seattle
As seen in: MSN, Nature, Gizmodo, National Geographic, The Atlantic, Scientific American, Atlas Obscura, Flipboard, Popular Science, Science Magazine and
Science Journalist | Currently, fellow @HighCountryNews
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Articles

IQ’s link to brain structure, function in children may be a mirage

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By Natalia Mesa Verified
| The Transmitter Verified
IQ is one of the most-studied traits in brain imaging studies. And yet it has a weaker relationship with brain structure and function in children than socioeconomic status does, according to a study published today in Science. The apparent link between IQ and brain differences largely disappears once socioeconomic status is controlled for, the findings suggest. The results point to the importance of factoring in socioeconomic status in analyses of brain imaging datasets, the researchers say.
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Reward-learning algorithm hardwired into dopamine circuit

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By Natalia Mesa Verified
| The Transmitter Verified
Dopamine neurons register surprise: Their activity surges when an experience exceeds expectations and falls silent with disappointment. These prediction errors help brains and artificial-intelligence systems learn from experience by updating future expectations, according to a long-standing model.
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‘Push-pull’ recipe for neural wiring used in multiple brain regions

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By Holly Barker, Natalia Mesa Verified, Lauren Schenkman
| Spectrum Verified
The human brain forms trillions of synapses using only a few thousand cell-surface proteins to guide the process. How can distinct functional circuits form when there are far more neurons than molecules to guide them? New findings in mice provide an answer to this numerical puzzle: Across the brain, neurons repeatedly reuse the same pair of adhesion molecules to assemble distinct neural circuits, according to three studies published last month in Current Biology.
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