From the Capacitive Sensor Page on the Arduino website, it states the following:
The capacitiveSensor method toggles a microcontroller send pin to a new state and then waits for the receive pin to change to the same state as the send pin. A variable is incremented inside a while loop to time the receive pin's state change. The method then reports the variable's value, which is in arbitrary units.
Use a 1 megohm resistor (or less maybe) for absolute touch to activate. With a 10 megohm resistor the sensor will start to respond 4-6 inches away. With a 40 megohm resistor the sensor will start to respond 12-24 inches away (dependent on the foil size)...
However, as mentioned above, what I'm measuring is the time taken to change state, and I understand that more resistance = more time taken = higher value, how exactly does increasing the resistance make the sensor more sensitive, allowing it to respond without even touching it (i.e., inches away)?
Am I not simply increasing the time taken to change state by increasing resistance? How would that make it more sensitive?!?