It has been speculated for some time that brain stimulation has a positive effect on an individual’s IQ, boosting creativity by targeting the brain’s natural electrical alpha oscillations. The thinking goes that doing so wouldn’t benefit those primarily looking to get a boost before a test, but would function as an effective treatment for cognitive impairment in individuals suffering from psychiatric illnesses.
However, a new study has revealed that electrical currents used for the purposes of brain stimulation doesn’t provide the sought after benefits – in fact, the most common form of the treatment looks to negatively effect IQ scores.
While some may see this a roadblock to what had been thought to be effective therapy, further studies are pending.
Read the full story here: Popular brain stimulation doesn’t boost IQ