Do intelligent people think faster than others when solving problems? The results of a new study by Human Brain Project researchers at Charité University Berlin together with their collaborator at University Pompeu Fabra in Barcelona, published in Nature Communications, are challenging this long-held assumption in intelligence research. Taking a biologically inspired approach, they built 650 personalized brain network models (BNMs) based on data from the Human Connectome Project and simulated the brain dynamics involved in problem solving.
Think more carefully rather than more quickly: How network structure affects judgement
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Intelligent Brains Take Longer To Solve Difficult Problems
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Do intelligent people think faster? Researchers at the BIH and Charité – Universitätsmedizin Berlin, together with a colleague from Barcelona, made the surprising finding that participants with higher intelligence scores were only quicker when tackling simple tasks, while they took longer to solve difficult problems than subjects with lower IQ scores. In personalized brain simulations of the 650 participants, the researchers could determine that brains with reduced synchrony between brain areas literally “jump to conclusions” when making decisions, rather than waiting until upstream brain regions could complete the processing steps needed to solve the problem. In fact, the brain models for higher score participants also needed more time to solve challenging tasks but made fewer errors. The scientists have now published their findings in the journal Nature Communications.