US$750 brain-zapping headset said to help athletes improve performance is tested by Hong Kong gym-goers

The idea of sending electrical currents directly into the brain to enhance the body’s capacity for learning may sound like the plot of an ’80s sci-fi horror film, but this is the reality of a number of devices taking neuroscience from laboratories into the home.

One of these products, the Halo Sport, is a US$750 (HK$5,886) piece of non-invasive headwear designed to train the brain, with inventors claiming it can improve any kind of performance that involves physical movement.