I have since decided to recap the Activation Options from the description at the end of the entry. There will be some where there are no activation options. There may be some where there are no activation options.
PF == Psionic Focus (how must must be available to activate the Discipline)
ATN == Activation Roll Target Number (remember, this is a base of 15 +1 for each additional Discipline already active -- however, using some of the activation options may increase the TN of the Activation Roll