What makes human intelligence exceptional? The answer may be hidden inside this game

What makes human intelligence exceptional? The answer may be hidden inside this game
Play Hexxed and become part of a global experiment seeking to model human intelligence. Credit: Marta Correia. The Champalimaud Centre for the Unknown. Portugal.

Within a short span of time and with few instructions, people can solve complex problems from scratch, for instance, loading the trunk of a car with seemingly too many objects. This is the core of human intelligence—its rapid and flexible nature. What is the cognitive scheme that allows us to create novel and complex strategies? And do "intelligent" machines use similar or fundamentally different schemes?

To answer these questions, scientists at the Champalimaud Centre for the Unknown in Portugal, and the University of California, Berkeley, created Hexxed. This consists of a series of fun and challenging puzzles designed to provide unique insight into how intelligence works. This free app has compatible versions for both iPhone and Android.

Taking science out of the lab

"Hexxed joins a global trend of citizen science games in which individuals around the world can contribute to by simply playing," says Gautam Agarwal, one of the scientists who developed the game as part of his research project in the lab of Zachary Mainen at Champalimaud.

Why move the experiment outside of the lab? According to Agarwal, this is the best way to gather that are diverse and large enough to tap into difficult questions, such as how age and cultural background shape human thinking. "Experiments in laboratory conditions have a limited number of subjects, and are often repetitive and dull. In contrast, can be played by an unrestricted number of people worldwide, and inspire players to participate fully by immersing them in an evolving stream of experiences."

What makes human intelligence exceptional? The answer may be hidden inside this game
How do individual features such as age and cultural background shape myriad ways of thinking? Credit: Marta Correia. The Champalimaud Centre for the Unknown, Portugal.

Human vs. machine intelligence

The diversity of the data goes even further, as the team plans to use the to learn not only about human intelligence, but about machine intelligence, as well. Mattia Bergomi, a researcher involved in the study, points out that video games are commonly used to test the capacity of artificial intelligence, but often fall short of the mark.

"The majority of games fall into one of two categories," he explains. "On one extreme, there are challenging games that can only be solved with complex strategies. This results in problem-solving approaches that are difficult to formulate mathematically and therefore difficult to compare across subjects. On the other extreme, you have simple games that can easily be described mathematically. But then, those are not challenging enough to draw out intelligent problem-solving schemes."

Hexxed was developed to bridge between the two extremes: it's quite challenging, but it can still be described by simple mathematical constructs. "This unique design will allow us to compare strategies adopted by humans with those generated by machines in a systematic and comprehensive manner," Agarwal adds.

Game on!

So what is and how does it vary across humans and machines? Play Hexxed and we may have an answer soon enough.


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More information: This free app has compatible versions for both iPhone and Android.
Provided by Champalimaud Centre for the Unknown
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