The fasciola cinereum subregion of the hippocampus is important for the acquisition of visual contextual memory

•The fasciola cinereum (FC) is an independent subregion of the hippocampus by itself.•The FC sends its major outputs only to the dentate gyrus in the hippocampus.•The FC is critical for the acquistion of visual contextual memory.•Place cells fire in their place fields for a limited time period only in the FC.