Using a combination of brain scans and blood samples, the researchers were able to measure changes in the brain. Only the HIIT group showed signs of a cognitive boost immediately after the exercise program – and a long time later.
"We followed up with them five years after the program and incredibly they still had improved cognition, even if they hadn't kept up with the exercises," says neuroscientist Daniel Blackmore from the University of Queensland.
Always that High Intensity Interval Training (HIIT). I don't look forward to it, but always feel so satisfied after. Another motivation to hit it hard next time...