The 4 Brain Superpowers You Need to Be a Successful Leader, According to Neuroscience

By focusing attention on and repeatedly practicing new, desirable behaviors, we can redirect our brains' chemical, hormonal, and physical resources to create new pathways. The old ones, meanwhile, wither from lack of use.

Learning subjects which require heavy attention like a language or musical instrument, is the best way to enhance the plasticity of brain.

Brain become more flexible which helps in regulating emotion, solve complex problems and thinking creatively.  

It is ability to switch smoothly among different ways of thinking: from logical to the intutive to the creative.

Work on problems consecutively and look at them from different angle.