@misc{indiciae6cf8a970c3ab, title = {Visual processing deficits as assessed by spatial frequency contrast sensitivity and backward masking in normal ageing and Alzheimer's disease.}, author = {G Schlotterer and M Moscovitch and D Crapper-McLachlan}, year = {1984}, doi = {10.1093/brain/107.1.309}, url = {https://pubmed.ncbi.nlm.nih.gov/6697160/}, note = {Source identifier: 6697160} }