<Ul> <Li> Limbic lobe </Li> <Li> Orbitofrontal cortex, a region in the frontal lobe involved in the process of decision - making . </Li> <Li> Piriform cortex, part of the olfactory system . </Li> <Li> Entorhinal cortex, related with memory and associative components . </Li> <Li> Hippocampus and associated structures, which play a central role in the consolidation of new memories . </Li> <Li> Fornix, a white matter structure connecting the hippocampus with other brain structures, particularly the mammillary bodies and septal nuclei </Li> </Ul> <Li> Orbitofrontal cortex, a region in the frontal lobe involved in the process of decision - making . </Li> <Li> Piriform cortex, part of the olfactory system . </Li> <Li> Entorhinal cortex, related with memory and associative components . </Li>

Which one of the following structures is not a component of the limbic system