Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:These results show differences in connectivity in a similar network as the previous study by Repov≈° and Barch (2012) showing group differences in connectivity with increasingworkingmemory load between the Fronto-Parietal networks.
Category: