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neuroscience

Scientists decode how the brain senses smell

Scientists have further decoded how mammalian brains perceive odors and distinguish one smell from thousands of others. In experiments in mice, NYU Grossman School of Medicine researchers have for the first time created an electrical signature that is perceived as... Continue Reading →

Unexpected uncertainty can breed paranoia

In times of unexpected uncertainty, such as the sudden appearance of a global pandemic, people may be more prone to paranoia, Yale University researchers suggest in a new study published in the journal eLife. "When our world changes unexpectedly, we want... Continue Reading →

Engineers put tens of thousands of artificial brain synapses on a single chip

MIT engineers have designed a "brain-on-a-chip," smaller than a piece of confetti, that is made from tens of thousands of artificial brain synapses known as memristors -- silicon-based components that mimic the information-transmitting synapses in the human brain. The researchers... Continue Reading →

Our ability to focus may falter after eating one meal high in saturated fat

Fatty food may feel like a friend during these troubled times, but new research suggests that eating just one meal high in saturated fat can hinder our ability to concentrate -- not great news for people whose diets have gone... Continue Reading →

How does the brain link events to form a memory? Study reveals unexpected mental processes

A woman walking down the street hears a bang. Several moments later she discovers her boyfriend, who had been walking ahead of her, has been shot. A month later, the woman checks into the emergency room. The noises made by... Continue Reading →

Scientists regenerate neurons in mice with spinal cord injury and optic nerve damage

Like power lines in an electrical grid, long wiry projections that grow outward from neurons -- structures known as axons -- form interconnected communication networks that run from the brain to all parts of the body. But unlike an outage... Continue Reading →

Eyes send an unexpected signal to the brain

For decades, biology textbooks have stated that eyes communicate with the brain exclusively through one type of signaling pathway. But a new discovery shows that some retinal neurons take a road less traveled. New research, led by Northwestern University, has... Continue Reading →

Researchers achieve remote control of hormone release

Abnormal levels of stress hormones such as adrenaline and cortisol are linked to a variety of mental health disorders, including depression and posttraumatic stress disorder (PTSD). MIT researchers have now devised a way to remotely control the release of these... Continue Reading →

People may know the best decision — and not make it

When faced with a decision, people may know which choice gives them the best chance of success, but still take the other option, a new study suggests. People may choose based on a "gut feeling," a habit, or what worked... Continue Reading →

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