The Brain Has More Than 100 Times Higher Computational Capacity Than Previously Thought

A new UCLA study could change scientists’ understanding of how the brain works — and could lead to new approaches for treating neurological disorders and for developing computers that “think” more like humans.

The research focused on the structure and function of dendrites, which are components of neurons, the nerve cells in the brain. Neurons are large, tree-like structures made up of a body, the soma, with numerous branches called dendrites extending outward. Somas generate brief electrical pulses called “spikes” in order to connect and communicate with each other. Scientists had generally believed that the somatic spikes activate the dendrites, which passively send currents to other neurons’ somas, but this had never been directly tested before. This process is the basis for how memories are formed and stored.

Scientists have believed that this was dendrites’ primary role. But the UCLA team discovered that dendrites are not just passive conduits…

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