Can scents trigger memories in the brain?

Scientists from the Boston University Center for Systems Neuroscience (MA, USA) have investigated the power of smell to preserve memories of fear in mice for an extended period of time. These findings have recently been published in Learning and Memory and could lead to further developments of treatments for memory-related mood disorders, such as post-traumatic stress disorder. Memory formation has always been a mysterious field and the mechanisms behind the making of memories are still not understood well. System consolidation theory is regarded as the most accepted theory explaining how memories form. It suggests that memories are first processed by...