IFS = Internal Family Systems. I don't think it's very big at least right now. I think it's also recommended for PTSD. To me it feels more in line with psychoth

IFS = Internal Family Systems. I don't think it's very big at least right now. I think it's also recommended for PTSD. To me it feels more in line with psychotherapy in that it looks at root causes, whereas CBT is more of a surface level thing. DBT seems somewhere in between.