Neurons

The first panel shows neurons, the second panel shows the neurons expressing the protein that make them sensitive to light, and the third panel is the first two merged together, showing which neurons are expressing the light-sensitive protein used to inhibit their activity.

The first panel shows neurons, the second panel shows the neurons expressing the protein that make them sensitive to light, and the third panel is the first two merged together, showing which neurons are expressing the light-sensitive protein used to inhibit their activity.

Date:
12 May 2014

Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).

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Correlation between connectivity and distance of neurons in the human cortex

This diagram shows correlation between connectivity and distance of neurons in the human cortex. There are approximately 100,000 neurons in a square millimeter of cortex, as illustrated in the center box. The red gradation shows neuronal connectivity, with dark red indicating denser connectivity through synapses. While half of the synapses connect to neurons close to them, the other half connect with distant neurons, as so illustrated in the boxed area on the far left of this diagram. The differences in connectivity and distance between neurons require whole brain simulation in order to understand brain function.