Neuroscience

How we retrieve our knowledge about the world

In order to find our way in the world, we classify it into concepts, such as "telephone." Until now, it was unclear how the brain retrieves these when we only encounter the word and don't perceive the objects directly. Scientists ...

Neuroscience

Study reveals the gateway to conscious awareness

During our waking hours, the brain is receiving a near-constant influx of sensory signals of various strengths. For decades, scientists have wondered why some signals rise to the light of conscious awareness while other signals ...

Neuroscience

Attention and working memory: Two sides of the same neural coin?

In 1890, psychologist William James described attention as the spotlight we shine not only on the world around us, but also on the contents of our minds. Most cognitive scientists since then have drawn a sharp distinction ...

Neuroscience

How does the brain project manage its learning?

The famous patient Henry Molaison (long known as H.M.) suffered damage to his hippocampus after a surgical attempt to cure his epilepsy. As a result, he had anterograde amnesia, which meant that things he learned never made ...

Neuroscience

Reprogramming brain cells enables flexible decision-making

Greetings without handshakes, mandatory masks in trains, sneezing into elbow crooks—the COVID-19 pandemic dramatically illustrates how important it can be for humans to shed habitual behaviors and to learn new ones. Animals, ...

Neuroscience

Before eyes open, they get ready to see

A KAIST research team's computational simulations demonstrated that the waves of spontaneous neural activity in the retinas of still-closed eyes in mammals develop long-range horizontal connections in the visual cortex during ...

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