As MS can cause swings in affect, it can produce paranoia and some find and have posted a feeling of fear of burglars, hearings sounds along with smell sand taste changes, etc. Brain stuff stimulation can produce cognitive damages too as is well explored. Sometimes I forget I forget and try to be cognitively aware of some things. I taught NI (Neurologically Impaired) kids (now I am, how ironic)along with PI (Perceptually Impaired, LD (Learning Disabled) and a bunch of other letter kids for years and compensating (as well as awareness) of lost skills was often a goal.