They stored information from sequential tests separately and this did not affect the performance of later tests. Without the impact of hippocampus lesions, this study may have greater meaning to the general public.
             Otlon, D.S., Walker, J.A. & Gage, F.H. (1978). Hippocampus connections and spatial
             discrimination. Brain Research, 139, 295-308.
             Otlon, Walker, and Gage experimented with rats and working memory after lesions were introduced to make the extrinsic fiber connections separate form hippocampal formation. Their study also used the radial arm maze and began by placing food at the end of each arm. The difference with this study is
             ...