• Karl Friston, a neuroscientist, published a radical theory called the ‘Free Energy Principle’ that has the neuroscience field in a tizzy. His papers, published in various journals, are heavily cited and discussed.
• Friston also invented statistical parameter mapping, a brain-scannin...

Our self-beliefs keep updating after seeing new data presented to us by the world we live in. If we are able to assimilate all data and update/revise our mind, then ‘belief-updating’ happens.

It states that the world is uncertain and full of surprises. Our brain, through perception, beliefs and action are trying to remain stable by minimizing the spikes, triggers and surprises.

• Our mind is programmed to sample the world so that the immediate future can be predictable, as a way to survive it with minimum surprises and disruptions, and as a way to conserve energy.
• Free energy, outside the mind, maybe incomprehensible and even impossible to grasp fully, but ...