Over the years, scientists have uncovered many of the human brain’s mysteries and shortcomings that were securely hidden in our psyche.

Today, We invites you on a journey inside your own head to find out what makes your consciousness work.

1. We’re constantly altering our memories

We tend to see our memories as small movies or video clips. Things that lie on some “shelf” inside our brain, safe and unalterable. But, as it turns out, recollections of past events change every time they pass before our mind’s eye.

Their content is influenced by memory blackouts and by events that took place in themore recent past. For example, you don’t have clear recollections of all the people who attended a family get-together a couple of years ago, but since your aunt never misses events of this kind, your mind eventually includes her in the memories — even if she was absent on that particular occasion.

2. We can only have a limited number of friends

Psychologists and sociologists have come up with something called the Dunbar’s number — the maximum number of people with whom a person can maintain close ties. So, even if you have thousands of ’friends’ on Facebook, you can only have meaningful communication with 50-200 of them.

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