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Jul 3, 2014

Optogenetics: Lightly Pressing More and More of the Cell’s Buttons

The engineering of light sensitivity into specific parts of selected cells enables the dissection of signaling pathways.

Optogenetics: Lightly Pressing More and More of the Cell’s Buttons

MIT researchers using optogenetics to trace the neural connections involved in memory formation. Here, a cross-section of a mouse’s hippocampus shows island cells (green) projecting to the CA1 region of the hippocampus. [Takashi Kitamura]

  • “You can observe a lot just by watching,” said the accidental sage, leaving us to wonder whether he meant to celebrate the power or ...

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