Implicit memory is stored in the brainstem, which is the seat of our ancient survival system. This is the part of our brain that deals with trauma, however, it does this in a predominantly body-based way. The brainstem is strongly influenced by attraction and repulsion. It is being informed through repeated action patterns, such as learning to walk, to ride a bike, or to put a spoon into our mouth. Once we have mastered an action pattern, it becomes part of our implicit memory system and we do not ever think about it, unless someone pushes us into a pool of water when we never had learnt to swim, or an accident no longer allows us to move a limb. In the same way we do not think about breathing, making our heart beat or our muscles to contract and relax.
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