PMID: 30210662Sep 14, 2018Paper

The Illusion of the Perfect Brain Enhancer

Cerebrum : the Dana Forum on Brain Science
Emiliano Santarnecchi, Alvaro Pascual-Leone

Abstract

Many questions loom over transcranial direct current stimulation (tDCS), a non-invasive form of neurostimulation in which constant, low current is delivered directly to areas of the brain using small electrodes. It was first established in neuroscience research in the 1950s and 60s, but has seen rapid growth, particularly in the last five years. Originally developed to help patients with brain injuries such as strokes, tDCS is now also used to enhance language and mathematical ability, attention span, problem solving, memory, coordination, and even gaming skills. The authors examine its potential and pitfalls.

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