FlashBack

When a person's life is in danger, a phenomenon known as 'time-dilation' can occur. This is when, during a car crash for example, time seems to slow down or become frozen.

Here is BBC's take on why we have a flashback of our lives when we are in danger:

In these cases the body's internal clock speeds up when facing a potential catastrophe, so that it can take in more information more quickly and function more effectively in an emergency.

This is also a phenomenon actively sought by elite sportspeople, when they get 'in the zone'.

Some of the chemicals in the brain, such as dopamine, can affect our perception of time. Deficiencies in these chemicals can lead to brain disorders.

In today's technological age, the body's natural clocks are being hijacked by timetables, schedules and diaries. By paying more attention to our watches, rather than our internal clocks, could we be losing touch with time as it should be perceived?