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Does Intelligence Increase Steadily During Adulthood? A Look at Cognitive Development

According to psychologist Raymond Cattell's theory, intelligence is not a single, steady force but comprises two distinct types: fluid and crystallized intelligence. This critical distinction helps answer the question, **does intelligence increase steadily during adulthood?**, revealing that while some cognitive skills decline with age, others continue to improve or remain stable. It's a dynamic process of gains and losses, not a simple, linear progression.