Fluid Intelligence:This term refers to the ability to think flexibly, solve problems in novel situations, and adapt to new information. Unlike stable intelligence, fluid intelligence tends to decline with age.
Crystallized Intelligence: This term describes acquired knowledge and skills that are accumulated over time through education and life experiences. It is influenced by both stable and fluid intelligence.
Intellectual Decline: This term refers to the gradual decrease in cognitive abilities that can occur with aging. While some aspects of intelligence may decline, stable intelligence remains relatively unaffected.