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optogenetics

Scientists discover fundamental rule of brain plasticity

Our brains are famously flexible, or “plastic,” because neurons can do new things by forging new or stronger connections with other neurons. But if some connections strengthen, neuroscientists have reasoned, neurons must compensate lest they become overwhelmed with input. In... Continue Reading →

Fright and flight: deciding when to escape

How does your brain decide what to do in a threatening situation? A paper published in Nature describes a mechanism by which the brain classifies the level of a threat and decides when to escape. Escaping from a dangerous situation is crucial... Continue Reading →

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