Neuroscience
Dueling brain waves during sleep may decide whether rats remember or forget
In a slumbering rat, two distinct kinds of brain waves have opposite jobs.
Neuroscience
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HumansArtists who paint with their feet have ‘toe maps’ in their brains
Brain specialization comes with toe specialization in people who use their feet for painting, eating and writing.
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LifeHuman meddling has manipulated the shapes of different dog breeds’ brains
By analyzing the shape of different dog breeds’ brains, researchers show how humans have manipulated the animals’ brain anatomy.
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NeuroscienceClumps of cells in the lab spontaneously formed brain waves
Nerve cells fired coordinated signals in brain organoids, 3-D clusters of cells that mimic some aspects of early brain development.
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NeuroscienceHoneybee brain upgrades may help the insects find food
Changes in honeybee neurons may help the insects decode their fellow foragers’ waggle dances.
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Health & MedicineHow strep throat may spark OCD and anxiety in some kids
A potential link between strep throat and sudden mental disorders in children raises questions about how infections can alter the brain.
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NeuroscienceWhat human and mouse brains do and don’t have in common
A large comparison of human and mouse brain cells highlights key differences that could have implications for research on depression or Alzheimer’s.
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NeuroscienceImaging scans show where symbols turn to letters in the brain
Scientists watched brain activity in a region where reading takes root, and saw a hierarchy of areas that give symbols both sound and meaning.
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LifeElectrodes show a glimpse of memories emerging in a brain
Nerve cells in an important memory center in the brain sync their firing and create fast ripples of activity seconds before a recollection resurfaces.
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LifeAlzheimer’s targets brain cells that help people stay awake
Nerve cells in the brain that are tied to wakefulness are destroyed in people with Alzheimer’s, a finding that may refocus dementia research.