Test olfactory scores Plaques Number Plaques Volume   THR DIS ID TDI Within IFTL Outside IFTL Within IFTL Outside IFTL Years onset -0.10 -0.14 -0.22 -0.22 0.04 0.19 0.25 0.54

THR = Threshold; DIS = Discrimination; ID = Identifi cation; TDI = The sum of THR, DIS and ID, IFLT = Inferior frontal and temporal lobes.

Table 3: Pearson’s correlation between the years from the onset of MS, the Sniffi n’ Sticks scores and the neuropathological markers within and outside the IFTL complex.