We may wish some memories could last a lifetime, but many physical and emotional factors can negatively impact our ability to retain information throughout life.
A new study published in the journal Psychological Science found that people who feel enthusiastic and cheerful — what psychologists call “positive affect” — are less likely to experience memory decline as they age. This result adds to a growing body of research on positive affect’s role in healthy aging.
A team of researchers analyzed data from 991 middle-aged and older U.S. adults who participated in a national study conducted at three time periods: between 1995 and 1996, 2004 and 2006, and 2013 and 2014.
In each assessment, participants reported on a range of positive emotions they had experienced during the past 30 days. In the final two assessments, participants also completed tests of memory performance. These tests…