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Neuroscience news

Genetics

Why the human brain matures slower than its primate relatives

The human brain is a fascinating and complex organ that supports numerous sophisticated behaviors and abilities that are observed in no other animal species. For centuries, scientists have been trying to understand what is ...

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, ...

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.

Diseases, Conditions, Syndromes

30 years of post-traumatic epilepsy research: Where do we stand?

For decades, researchers have worked to unravel the mysteries of post-traumatic epilepsy (PTE), a form of epilepsy that emerges after a traumatic brain injury (TBI). Now, a new study led by Texas A&M University neuroscientist ...

Neuroscience

Scientists uncover why mental maps fade with age

In the realm of memories, "where" holds special importance. Where did I leave my keys? Where did I eat dinner last night? Where did I first meet that friend? Recalling locations is necessary for daily life, yet spatial memory—which ...

Psychology & Psychiatry

What is déjà vu? What is déjà vu?

Do you ever get that peculiar feeling that what you're doing or seeing has already happened, even when you're pretty sure it hasn't?

Psychology & Psychiatry

Natural brain opioids help us 'see the bigger picture' after rewards

Feeling good doesn't just lift our mood—it also helps us stay flexible and resilient. A new study by an international team of neuroscientists shows that natural brain opioids released after rewards play a key role in broadening ...

Diseases, Conditions, Syndromes

Acalculia: Why many stroke survivors struggle with numbers

Numbers are all around us. In the morning, we wake up to an alarm that tells us it's time to get out of bed. When deciding what to wear, we often check the temperature outside. We count out the vitamins or prescription pills ...