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tag prefrontal cortex neuroscience evolution

New Genes, New Brain
Cristina Luiggi | Oct 19, 2011 | 2 min read
A bevy of genes known to be active during human fetal and infant development first appeared at the same time that the prefrontal cortex—the area of the brain associated with human intelligence and personality—took shape in primates.
Conceptual image showing molecules making up a brain shape
The Noncoding Regulators of the Brain
Christie Wilcox, PhD | Sep 12, 2022 | 10+ min read
Noncoding RNAs are proving to be critical players in the evolution of brain anatomy and cognitive complexity.
Brain Evolution at a Distance
Hannah Waters | Dec 6, 2011 | 3 min read
Gene expression controlled from afar may have spurred the spurt in brain evolution that led to modern humans.
early-life stress, histone, chromatin, epigenetics, epigenetic modification, methylation, DNA, protein, stress, adversity, mice, genetics, genomics
Early-Life Stress Exerts Long-Lasting Effects Via Epigenome
Asher Jones | Mar 18, 2021 | 5 min read
In mice, epigenetic marks made on histones during infancy influence depression-like behavior during adulthood. A drug that reverses the genomic tags appears to undo the damage.
Early Humans’ Brains Were More Apelike than Modern
Abby Olena, PhD | Apr 8, 2021 | 3 min read
Impressions that ancient brains left in fossilized skulls reveal that the first human ancestors to migrate out of Africa had much more primitive brains than previously thought.
Conceptual image of numbers
Is Your Brain Wired for Numbers?
Catherine Offord | Oct 1, 2021 | 10+ min read
Our perception of quantity, separate from counting or estimation of magnitude more generally, is foundational to human cognition, according to some neuroscientists.
Study Probes Brain Activity in Survivors of Paris Terror Attacks
Jef Akst | May 1, 2020 | 5 min read
Those who had developed PTSD appear to be less able to suppress unwanted memories—traumatic or not—suggesting a role for the general ability to control memory recall in the disorder.
T Cells and Neurons Talk to Each Other
Ashley Yeager | Oct 1, 2020 | 10+ min read
Conversations between the immune and central nervous systems are proving to be essential for the healthy social behavior, learning, and memory.
The Scientist Staff | Mar 28, 2024
Who Sleeps?
The Scientist and Jerome Siegel | Mar 1, 2016 | 10+ min read
Once believed to be unique to birds and mammals, sleep is found across the metazoan kingdom. Some animals, it seems, can’t live without it, though no one knows exactly why.

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