Direct current brain stimulation

15 Aug

A number of studies have found that transcranial direct-current stimulation of the brain may improve cognitive function. Now, Dreic Bownds reports on a study that shows that direct current stimulation may improve general intelligence.

The idea here is that passing a direct current through your skull can increase or decrease (depending on the direction of the current flow) the excitability of the brain’s neurons.

While the initial research has been encouraging, it may be worth waiting for additional studies on the long term effects before you strap electrodes to your head.

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