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Human perception of colors does not rely entirely on language

After patient RDS (identified only by his initials for privacy) suffered a stroke, he experienced a rare and unusual side effect: when he saw something red, blue, green, or any other chromatic hue, he could not name the object’s color. Using RDS as a s…

Parkinson’s disease may originate in the intestines

A theory that Parkinson’s disease can arise in the intestinal system and from there migrate to the brain has now gained support from new research.

The seeds of parkinson’s disease: Amyloid fibrils that move through brain

Researchers have found that the structure of Parkinson’s disease-associated protein aggregates can tell us, for the first time, about their movement through the brain. These new findings indicate that Parkinson’s disease is a kind of amyloidosis, which…

Wolves more socially cooperative than dogs, study finds

A new study supports the idea that prosocial behavior is ancestral and not the result of domestication, as wolves prove more prosocial than pack dogs.

What to know about post-concussion syndrome

In most cases, concussion symptoms disappear within a month. If they do not, the person may have post-concussion syndrome. Read about the symptoms, causes, risk factors, and treatments here.

What are the early symptoms of a brain tumor?

Early symptoms of a brain tumor can include headaches, vision problems, and mood swings. However, because they are so general, diagnosis can be difficult. The symptoms tend to vary depending on the location and stage of the tumor. Learn more here.

Emotion recognition deficits impede community integration after traumatic brain injury

Researchers have found a correlation between deficits in facial emotion recognition and poor community integration in individuals with moderate to severe traumatic brain injury. Their findings have implications for the development of rehabilitative int…

How are diabetes and stress linked?

Diabetes and stress seem to be linked in several important ways. This article explores how stress can lead to diabetes, how diabetes can cause stress, and research backed ways to manage stress.

4 top tips for coping with social anxiety

Social anxiety can have a crucial impact on a person’s well-being and quality of life. Read this Spotlight feature for tips on how to manage it.

Creation of new brain cells plays an underappreciated role in Alzheimer’s disease

Researchers show how in genetic forms of Alzheimer’s, a process called neurogenesis, or the creation of new brain cells, can be disrupted by the brain’s own immune cells.