When an Expected Form of Sensory Input Is Absent, What

When an expected form of sensory input is absent, what typically happens to the areas of the brain that normally would have become specialized as a result of that experience?

A) The areas die off.
B) The areas can be reorganized to serve another
function.
C) The areas interfere with other areas of the brain that are serving related functions.
D) The areas continue to strengthen their synapses until some low level of the sensory input can be perceived.