The idea that you can cleanly separate the self from the outside reality is probably the flawed bit. The in-between truth is that the self is intricately interl

The idea that you can cleanly separate the self from the outside reality is probably the flawed bit. The in-between truth is that the self is intricately interlinked with the "outside" reality. Sensory deprivation tanks do really weird things to people's consciousness. The mind depends upon its inputs for proper functioning.