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Time Travel Through the Brain

Time Travel Through the Brain

Over the last 100 years, the way we visualize and understand the complexity of the brain has evolved.

Fluorescent dyes can now be injected directly into cells to stain the ones a researcher wants to view. This image shows a Purkinje cell in red and a nerve fiber from another cell in green. A single Purkinje cell is connected to hundreds of thousands of these fibers.

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