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Neuroscience news

Neuroscience

Alzheimer's risk factors that can impact cognition in adults as young as 24 revealed

A new study from Columbia University Mailman School of Public Health and the Columbia Butler Aging Center suggests that risk factors and biomarkers related to Alzheimer's disease are associated with cognition much earlier ...

Psychology & Psychiatry

Study explores the impact of growing up without siblings on the brain and behavior of adults

Statistics suggest that the size of families in many countries is shrinking and a growing number of parents worldwide either willingly or unwillingly end up only having one child. While many psychology studies have explored ...

Neuroscience

Using AI to reveal the neural dynamics of human conversation

Researchers at Massachusetts General Hospital investigated how our brains process language during real-life conversations. Specifically, they wanted to understand which brain regions become active during speaking and listening, ...

Psychology & Psychiatry

Advancing understanding of lucid dreaming in humans

Lucid dreaming is a surreal phenomenon in which people are consciously aware that they are in a dream. Çağatay Demirel, from Donders Center for Cognitive Neuroimaging, Radboud University Medical Center, and colleagues shed ...

Neuroscience

High-fat, high-sugar diets impact cognitive function

New research from the University of Sydney links fatty, sugary diets to impaired brain function. The findings build on a growing body of evidence showing the negative impact of high-fat, high-sugar (HFHS) diets on cognitive ...

Neuroscience

Soft brainstem implant delivers high-resolution hearing

Over the last couple of decades, many people have regained hearing functionality with the most successful neurotech device to date: the cochlear implant. But for those whose cochlear nerve is too damaged for a standard cochlear ...

Neuroscience

Brain imaging study reveals synaptic mechanisms of learning

How do we learn something new? How do tasks at a new job, lyrics to the latest hit song or directions to a friend's house become encoded in our brains? The broad answer is that our brains undergo adaptations to accommodate ...

Neuroscience

MRI study reveals brain volume changes in opioid users

Researchers at the Yale School of Medicine found structural and functional alterations in specific brain regions of individuals with opioid use disorder. The study's results were published today in Radiology.

Neuroscience

Study identifies 13 proteins strongly associated with brain aging

Thirteen proteins linked to brain aging in humans are identified in a Nature Aging paper. Changes in the concentrations of these blood proteins may peak at 57, 70, and 78 years old in humans, and suggest that these ages may ...

Neuroscience

Neuronal rapid fire: How the brain gets used to heat

Animals and humans develop a certain tolerance to prolonged heat: the body adjusts to release heat instead of generating it, and the metabolism and cardiovascular system adapt. Researchers at the Heidelberg Medical Faculty ...

Psychology & Psychiatry

What social rejection teaches your brain

Though painful, social rejection can be a powerful learning tool, new USC research suggests. The study, published in Proceedings of the National Academy of Sciences, uncovers the neurological mechanisms that influence how ...

Neuroscience

Machine learning enhances brain-machine interface performance

Brain–machine interfaces (BMIs) have enabled a handful of test participants who are unable to move or speak to communicate simply by thinking. An implanted device picks up the neural signals associated with a particular ...

Psychology & Psychiatry

Astrocytes found to help regulate stress response in brain

Researchers have discovered that astrocytes play an important role in regulating stress responses in the lateral septum in the brain. It is expected to provide new clues for mental health treatments.