What happens in the brain when you no longer need the information you've learnt?

Throughout our lives we have multitudes of experiences that shape how we then behave in the world. Some of these lessons are learnt rapidly, such as why we shouldn’t put our hand on a hot pan on the stove. Other, more autobiographical experiences can be stored and recalled explicitly as our memories. These memories can be recalled and described, such as what we did for certain birthdays, or experiences from our holidays. We can also learn to perform certain actions and behaviours that...

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