This is a quantification by an image analysis system; you can see the distribution of the size of the Golgi area in control patients and the tremendous shift to the left (very small Golgi) in Alzheimer patients. So this nucleus is inactive.

Graph Depicting mean Golgi apparatus size per subject in the nucleus tuberalis lateralis (NTL) of controls and Alzheimer patients. Although this area shows a clear Alz-50 staining in Alzheimer's patients, there is neither significant change with age nor a difference between controls and Alzheimer subjects. Bar, 1 SEM. (from Salehi et al., 1995a, Brain Res. 678, 29-39; with permission).