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Neuroscience news

Genetics

Comprehensive map reveals neuronal dendrites in the mouse brain in greater detail

Understanding the shape or morphology of neurons and mapping the tree-like branches via which they receive signals from other cells (i.e., dendrites) is a long-standing objective of neuroscience research. Ultimately, this ...

Neuroscience

Single enzyme failure found to drive neuron loss in dementia

Researchers at Helmholtz Munich, the Technical University of Munich and the LMU University Hospital Munich uncovered a mechanism that protects nerve cells from premature cell death, known as ferroptosis. The study provides ...

Psychology & Psychiatry

Breathe in, breathe out: How respiration shapes remembering

First and foremost, we breathe in order to absorb oxygen—but this vital rhythm could also have other functions. Over the past few years, a range of studies have shown that respiration influences neural processes, including ...

Psychology & Psychiatry

How the brain prioritizes bodily signals in conscious awareness

A new study shows that visual and tactile impressions that are related to our own body are prioritized for reaching conscious awareness. This helps us understand how we develop the feeling that the body is our own—through ...

Genetics

Hidden cellular layers revealed in brain's memory center

Researchers at the Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine of USC have identified a previously unknown pattern of organization in one of the brain's most important ...

Neuroscience

How the brain protects itself from Alzheimer's disease

High levels of calcium are toxic to cells and contribute to loss of neurons in Alzheimer's disease. A new study published in JCI Insight identifies a mechanism through which the young brain protects itself against high calcium ...

Neuroscience

Childhood concussions may trigger long-term brain changes

A new study in mice reports that concussions sustained early in life can cause subtle brain changes that re-emerge later in life. The findings, published in Experimental Neurology, may have significant implications for understanding ...

Neuroscience

IQ appears to affect ability to listen in noisy settings

You're in a bustling café with a friend. The din is making it hard to tune in to the conversation. The scenario might suggest you'd benefit from a hearing aid. On the other hand, new research suggests that speech-perception ...

Psychology & Psychiatry

Why do we remember some life moments—but not others?

Some memories are easy to recall—lush with detail, fresh as the moment itself. Others are more tenuous, like faded sketches, and the most stubborn ones can refuse to resurface at all. Why do our brains enshrine some memories ...

Genetics

How a 'speech gene' could help treat Huntington's

In fatal genetic diseases like Huntington's and spinocerebellar ataxia, proteins develop long stretches of repeating letters that are prone to sticking together like Velcro.