The data suggest that both day-to-day and within-day variability in cognitive performance are particularly low in older adults when compared to younger adults. Testing over 200 younger (ages 20-31) and older (ages 65-80) adults on twelve different tasks revealed significant age differences.
Older adults tend to exhibit less variability on cognitive tasks due to higher motivation, a balanced routine, and mood stability, according to new research. Sometimes it's just not your day: First you can't remember where you put your car keys, then you forget about an important meeting at work.
Testing over 200 younger (ages 20-31) and older (ages 65-80) adults on twelve different tasks revealed significant age differences.
Low socioeconomic-status adults age faster and die at a younger age than their wealthier counterparts. This is true: -only in affluent nations. -only in developing nations.