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Neuroscience news

Neuroscience

Alzheimer's disease can be reversed in animal models to achieve full neurological recovery

For over a century, Alzheimer's disease (AD) has been considered irreversible. Consequently, research has focused on disease prevention or slowing, rather than recovery. Despite billions of dollars spent on decades of research, ...

Neuroscience

Heart-brain connection: International study reveals role of vagus nerve in keeping the heart young

The secret to a healthier and "younger" heart lies in the vagus nerve. A recent study coordinated by the Sant'Anna School of Advanced Studies in Pisa and published in Science Translational Medicine has shown that preserving ...

HIV & AIDS

Brain chemistry can reactivate or suppress dormant HIV

Human immunodeficiency virus (HIV) infections are still fairly common and an estimated 40 million people worldwide are currently living with this condition. The HIV virus attacks the body's immune system and thus makes those ...

Psychology & Psychiatry

Humans could have as many as 33 senses

Stuck in front of our screens all day, we often ignore our senses beyond sound and vision. And yet they are always at work. When we're more alert, we feel the rough and smooth surfaces of objects, the stiffness in our shoulders, ...

Neuroscience

To flexibly organize thought, the brain makes use of space

Our thoughts are specified by our knowledge and plans, yet our cognition can also be fast and flexible in handling new information. How does the well-controlled and yet highly nimble nature of cognition emerge from the brain's ...

Neuroscience

How age affects recovery from spinal cord injury

A study published in Neurology looks at how age may affect recovery for people with spinal cord injuries. "With population growth and improvements in medicine, the number of people diagnosed with spinal cord injury is increasing ...

Neuroscience

Why there's always room for dessert—an anatomist explains

You push back from the table after Christmas lunch, full from an excellent feast. You really couldn't manage another bite—except, perhaps, a little bit of pudding. Somehow, no matter how much you've eaten, there always ...

Oncology & Cancer

How brain tumor cells influence neurons and vice versa

Gliomas are cancers that originate directly in the brain, instead of spreading to the brain from other parts of the body. These cancers cannot be cured with conventional cancer treatments, as they spread into healthy brain ...

Psychology & Psychiatry

Exploring why some people tend to persistently make bad choices

When people learn that surrounding visuals and sounds may signify specific choice outcomes, these cues can become guides for decision making. For people with compulsive disorders, addictions, or anxiety, the associations ...

Psychology & Psychiatry

Brain injuries linked with potential risk of suicide

Adults who experience a head injury face a substantially higher risk of attempting suicide compared to those without such injuries, according to the findings from a new UK-based study.

Psychology & Psychiatry

Surge in serotonin points to new treatment target for schizophrenia

New research from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King's College London has provided the first direct evidence that schizophrenia is associated with a greater release of serotonin in the ...

Neuroscience

How the cheese-noodle principle could help counter Alzheimer's

Researchers at the Paul Scherrer Institute PSI have clarified how spermine—a small molecule that regulates many processes in the body's cells—can guard against diseases such as Alzheimer's and Parkinson's: It renders ...

Genetics

RNA editing study finds many ways for neurons to diversify

All starting from the same DNA, neurons ultimately take on individual characteristics in the brain and body. Differences in which genes they transcribe into RNA help determine which type of neuron they become, and from there, ...

Oncology & Cancer

A microRNA cocktail weakens brain tumors in preclinical trials

A patented RNA-based cocktail developed at the Italian Institute of Technology (IIT-Istituto Italiano di Tecnologia) has emerged as a promising active agent against tumors of the central nervous system, such as glioblastoma.

Psychology & Psychiatry

How watching dance activates your brain

Dance styles engage the brain in different ways depending on the movements, aesthetics, and emotions associated with the dance, according to a study published in Nature Communications. The findings offer insights into the ...

Neuroscience

Pause and rewind: How the brain keeps time to control action

Whether speaking or swinging a bat, precise and adaptable timing of movement is essential for everyday behavior. Although we do not have sensory organs like eyes or a nose to sense time, we can keep time and control the timing ...