Again, check in to determine if this is most appropriate. This is a very powerful healing activity so please proceed with caution. If you are visual you can observe it happening, or you can use intent. If it feels like you are imagining it, that is okay. Again, it is intent that makes it work anyway.
Imagination is part of intent.
After the attunement, allow time for to connect with your newborn self. If you are working with Shamballa, allow time for the energies to ground. It is all one anyway. You may feel like you are attuning your present self along with your newborn self and this is because all is one. In the days following this activity, you can visit yourself at other crucial points in this life and past lives and pass the same attunement again.