Neuroscience

Why it doesn't get dark when you blink

People blink every five seconds. During this brief moment, no light falls on the retina, yet people continue to observe a stable picture of the environment with no intervals of darkness. Caspar Schwiedrzik and Sandrin Sudmann, ...

Neuroscience

A heavy working memory load may sink brainwave 'synch'

Everyday experience makes it obvious - sometimes frustratingly so - that our working memory capacity is limited. We can only keep so many things consciously in mind at once. The results of a new study may explain why: They ...

Alzheimer's disease & dementia

Brain training activity linked to reduced dementia risk

Florida researchers have presented results from a 10-year study into the effects of 'brain training' activities on healthy older people. The study found that a particular activity designed to boost the speed at which people ...

Neuroscience

Middle-age memory decline a matter of changing focus

The inability to remember details, such as the location of objects, begins in early midlife (the 40s) and may be the result of a change in what information the brain focuses on during memory formation and retrieval, rather ...

Neuroscience

How do our brains reconstruct the visual world?

Given that we see the world through two small, flat retinae at the backs of our eyes, it seems remarkable that what each of us perceives is a seamless, three-dimensional visual world.

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