Yeh, although it says there's some external validity to the whole concept, it seems too mystical for me to relate to - e.g. concerning the way the body perceives things through the senses.
This is intriguing though, as it says:
Intriguingly, these children not only had more behavioral problems in response to low quality care, they also had the least problems of all children when having a history of high quality care suggesting that children with difficult temperament are highly susceptible rather than difficult and therefore able to benefit significantly more from positive experiences compared to other less susceptible children.