![]() Fluid intelligence and crystallized intelligence rely on distinct brain systems despite their interrelationship in the performance of many tasks. The two types of intelligences are governed by separate entities within the brain and serve different functions. And the verbal and spatial components of intelligence correlated with NAA, but not with brain volume.The findings add to the evidence that fluid intelligence involves distinct yet interrelated processes in the brain. Fluid intelligence involves comprehension, reasoning and problem solving, while crystallized intelligence involves recalling stored knowledge and past experiences. Intelligence was once thought of as a single concept, until psychologist Raymond Cattell introduced the notions of fluid and crystallized intelligence in his research for the Journal of Psychology. Fluid intelligence helps you tackle complex, abstract challenges in your daily life, whereas crystallized intelligence helps you overcome concrete. ![]() We found that the quantitative reasoning component of intelligence correlated with brain volume, but not with the concentration of NAA in the brain. A similar separation of reasoning abilities has been demonstrated in previous studies. It can be contrasted with general crystallized ability (Gc) which. ![]() Fluid and crystallized intelligence on Wikipedia. In our data, we observed two facets of fluid intelligence-one that involves quantitative or numeric reasoning, and another that involves verbal or spatial reasoning. General fluid intelligence (Gf) is the ability used in inductive and deductive reasoning, particularly with novel material. fluid intelligence (uncountable) The capacity to think logically and solve problems in novel situations, independent of acquired knowledge. There are different properties of the brain that we can measure, and these different properties go with these different facets of fluid intelligence. These two brain biomarkers, brain volume and NAA, are each giving us independent information about fluid intelligence. "Surely there are many things about the brain that determine a person's intelligence, and the goal is to try to tease apart that puzzle. In a statement, University of Illinois postdoctoral researcher Erick Paul, who led the work with research scientist Ryan Larsen and Illinois neuroscience professor Aron Barbey, said, ![]()
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