Neuroscience

Brain activity drives dynamic changes in neural fiber insulation

The brain is a wonderfully flexible and adaptive learning tool. For decades, researchers have known that this flexibility, called plasticity, comes from selective strengthening of well-used synapses—the connections between ...

Neuroscience

Babies show visual consciousness at five months

(Medical Xpress)—A new study by scientists in France and Denmark has identified a neurological marker in the brain of babies as young as five months that is associated with visual consciousness, or the ability to process ...

Neuroscience

Attention and awareness uncoupled in brain imaging experiments

In everyday life, attention and awareness appear tightly interwoven. Attending to the scissors on the right side of your desk, you become aware of their attributes, for example the red handles. Vice versa, the red handles ...

Psychology & Psychiatry

Formation of habitual use drives cannabis addiction

A shift from brain systems controlling reward-driven use to habit-driven use differentiates heavy cannabis users who are addicted to the drug from users who aren't, according to a study in Biological Psychiatry: Cognitive ...

Neuroscience

Neuronal cultures advance 'brain-on-a-chip' technology

Lawrence Livermore National Laboratory (LLNL) researchers have increased the complexity of neuronal cultures grown on microelectrode arrays, a key step toward more accurately reproducing the cellular composition of the human ...

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