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What Memories Look Like!
Scientists create a way to see structures that store memories in a living brain Oscar Wilde called memory "the diary that we all carry about with us." Now a team of scientists has developed a way to see where and how that diary is written. The team, led by Don Arnold and Richard Roberts of USC, engineered microscopic probes that light up synapses in a living neuron in real time by attaching fluorescent markers onto synaptic proteins – all without affecting the neuron's ability to function. A living neuron in culture: Green dots indicate excitatory synapses and red dots indicate inhibitory synapses. Photo/Don Arnold The fluorescent markers allow scientists to see live excitatory and inhibitory synapses for the first time – and, importantly, how they change as new memories are formed.
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