Age is believed to change the way our brains respond and how its networks interact, but studies looking at these changes tend to use very artificial experiments, with basic stimuli. To try to understand how we respond to complex, life-like stimuli, researchers showed 218 subjects aged 18-88 an edited version of an episode from a Hitchcock TV series while using functional magnetic resonance imaging (fMRI) to measure their brain activity.

Source: Young minds think alike; older people are more distractible