The Best Ways to Keep Your Mind Young

The video explores how cognitive abilities change with age, focusing on the decline in fluid intelligence and the stability or improvement of crystallized intelligence. It discusses brain volume loss, neuron death, and the impact on reasoning and memory. Research suggests that while some cognitive decline is inevitable, activities like social engagement and exercise can help maintain cognitive function. The video emphasizes the importance of using cognitive skills to delay decline, though reversing it remains challenging.

What is the average rate of brain volume loss per decade after age 40?

• 15%

• 2%

• 5%

• 10%

Which type of intelligence is associated with accumulated knowledge and tends to remain stable or improve with age?

• Crystallized intelligence

• Fluid intelligence

• Emotional intelligence

• Practical intelligence

What ability is likely to improve with age, according to the research?

• Processing speed

• Social reasoning

• Short-term memory

• Pattern recognition

What is a potential issue with longitudinal studies on cognitive decline?

• They only focus on young adults

• They are too expensive to conduct

• They are too short in duration

• Participants often drop out

What is the 'use it or lose it' principle in relation to cognitive abilities?

• Practicing skills has no effect on their decline

• Using skills will cause them to decline

• Ignoring skills will make them stronger

• Practicing skills can prevent their decline

Which activity is suggested to have a strong relationship with maintaining cognitive function in older adults?

• Reading books

• Social engagement

• Watching television

• Playing video games

What did a meta-analysis in 2003 find about the effect of exercise on cognitive abilities?

• Exercise improved all cognitive skills equally

• Exercise had no effect

• Exercise worsened cognitive abilities

• Exercise improved cognitive abilities compared to control groups