Genetics

Reactivating aging stem cells in the brain

As people get older, their neural stem cells lose the ability to proliferate and produce new neurons, leading to a decline in memory function. Researchers at the University of Zurich have now discovered a mechanism linked ...

Neuroscience

How ApoE4 endangers the brain

Apolipoprotein E (ApoE) is kind of like a delivery service for the human brain. It supplies neurons with important nutrients, including with polyunsaturated fatty acids—which are building blocks of the membranes surrounding ...

Neuroscience

New study identifies gene that could play key role in depression

Globally, depression affects more than 300 million people annually. Nearly 800,000 die from suicide every year—it is the second-leading cause of death among people between the ages of 15 to 29. Beyond that, depression destroys ...

Psychology & Psychiatry

I feel you: Emotional mirror neurons found in rats

Researchers from the Netherlands Institute for Neuroscience have found that the rat brain activates the same cells when they observe the pain of others as when they experience pain themselves. In addition, without the activity ...

Neuroscience

Brain represents optical illusion as delayed reality

A study of humans and monkeys published in JNeurosci has found the same subset of neurons encode actual and illusory complex flow motion. This finding supports, at the level of single neurons, what the Czech scientist Jan ...

Neuroscience

Major discovery about mammalian brains surprises researchers

In a new breakthrough to understand more about the mammalian brain, University of Copenhagen researchers have made an incredible discovery. Namely, a vital enzyme that enables brain signals is switching on and off at random, ...

Neuroscience

New neurons in the adult brain are involved in sensory learning

Although we have known for several years that the adult brain can produce new neurons, many questions about the properties conferred by these adult-born neurons were left unanswered. What advantages could they offer that ...

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