Brain regions associated with threat and aversion are activated when we feel lonely and rejected.
The scientific understanding of our internal experiences is changing and it now seems likely that 'Christmas cheer' may be an emotion in itself.
The brain can do a lot, but it is vulnerable, especially to traumatic events. Over the years, researchers have learned the unique ways in which it is damaged by experiencing or witnessing trauma.
Take a look at some of the amazing neuroscience images out of the Queensland Brain Institute this year.