Here's how our tastes affect creativity in daily life

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What motivates us to innovate rather than rely on tried-and-true methods and processes? What drives the desire to innovate at the risk of wasting time, energy, and reputation in the event of a resounding failure? Creativity is built on complicated principles that we are only now beginning to comprehend, and motivation plays a key part. However, pursuing a goal is insufficient to explain why we prefer some concepts over others and whether that preference helps the success of our actions.

"Creativity can be defined as the ability to produce original and relevant ideas in a given context, to solve a problem or improve a situation. It is a key skill for adapting to change or provoking it, explains Alizee Lopez-Persem, a researcher in cognitive neuroscience. Our team is interested in the cognitive mechanisms that enable creative ideas to be produced, hoping to learn how to use them wisely."

Researchers now believe that the creative process is divided into two stages: creating new ideas and assessing their potential. They have yet to grasp how this review is done out and what causes us to retain certain ideas over others.

"We need to value our ideas to select the best ones, says Lopez-Persem. However, there is no indication that this operation corresponds to a rational and objective evaluation in which we try to inhibit our cognitive biases from making the best possible choice. We, therefore, wanted to know how this value is assigned and whether it depends on individual characteristics."

Objectifying the inner movement of the blossoming of ideas
Modeling the creative process as a sequence of operations involving distinct brain networks does not correspond to a popular conception of creativity, which is usually represented as a momentum that seizes, transports, and surpasses us. On the contrary, Emmanuelle Volle's team believes that creativity has three fundamental dimensions that can be modelled using mathematical tools: exploration, which is based on personal knowledge and makes it possible to imagine possible options; evaluation, which consists of gauging the qualities of an idea; and selection, which allows us to choose the concept that will be verbalized.

To understand the reciprocal relationships between these three dimensions, the researchers reproduced them in a computational model which they compared with the actual behaviour of individuals recruited for the study. Via Paris Brain Institute's PRISME platform, 71 participants were invited to take free association tests, which consist of matching words in the most audacious way possible. They were then asked to rate how much they liked these associations of ideas and whether they seemed relevant and original.

"Our results indicate that the subjective evaluation of ideas plays an important role in creativity, says Emmanuelle Volle, a neurologist. We observed a relationship between the speed of production of new ideas and participants' level of appreciation of these ideas. In other words, the more you like the idea you are about to formulate, the faster you come up with it. Imagine, for example, a cook who intends to make a sauce: the more the combination of flavours seduces him in his mind, the faster he will throw himself on the ingredients! Our other discovery is that this assessment combines two subjective criteria: originality and relevance."

What individual preferences promote creativity?: The team shows that the importance of these two criteria varies between individuals. It all depends on their experience, personality, and probably their environment, adds the researcher. Some favor the originality of an idea over its relevance; for others, it's the other way around. However, preferring either originality or relevance has a role in creative thinking: we have shown that individuals inclined to original ideas suggest more inventive concepts."

Finally, the team's model predicted the speed and quality of participants' creative proposals based on their preferences measured in an independent task. These results highlight the mechanical nature of the creative impulse. They also point to the possibility, in the long term, of precisely describing the mechanisms of creativity at the neurocomputational level and correlating them to their neural substrate... challenging the stereotype that creative thinking is a mysterious process over which we have no control at all.

"In the future, we want to define different creativity profiles related to people's fields of activity. Do you have different creative preferences if you are an architect, software engineer, illustrator, or technician? adds Alizee Lopez-Persem. Which environments foster creativity, and which ones inhibit it? Could we modify or re-educate our creative profile through cognitive exercises to match personal ambitions or needs? All these questions remain open, but we firmly intend to answer them."

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