Learning and memory are among the brain’s most fundamental tools for survival. Accurate encoding of ‘contextual’ memories, which are associated with particular experiences, enables the person to exhibit the appropriate fear responses and, importantly, avoid dangerous situations. Of equal importance is the brain’s ability to discriminate between an environment that it has previously learned to be dangerous and one that is safe. Earlier research demonstrated … Continue reading Elusive ‘switch’ which helps brain distinguish safety from danger identified.