Whether you plan or whether you flow in order to be creative probably isn't the point. The point is to keep practicing to maintain neural pathways and to establish new ones by learning new skills.
Philippa PerryMeditators are shown to have thickening in parts of the brain structure that deal with attention, memory and sensory functions. This was found to be more noticeable in older, more practiced meditators than in younger adults which is interesting because this structure usually tends to get thinner as we age.
Philippa PerryMeditation is focused attention and the more we practise focusing our brains the more connections we build up.
Philippa Perry