In Cthulhu: Death May Die, when an investigator's Insanity level increases, do the newly gained skill and black die take effect immediately?

In the thrilling Cthulhu cooperative game Cthulhu: Death May Die: when my investigator's Sanity value is eroded by the Elder Gods and raised to a new Insanity threshold, lighting up a new unique skill and gaining an extra black combat die, can I immediately add this new black die to the roll pool for the remaining combat checks in the current turn?