There is a Chinese saying: "Old ginger is spicier," so why do people become shrewder as they age? Today, let's discuss this. According to the latest research findings, apart from their rich life experiences, elderly people have a reduced ability to filter out "irrelevant information," which gives them a certain advantage in memory.
Previous studies have already shown that the decline in the brain's ability to exclude irrelevant information is related to aging. Recently, Canadian researchers conducted a study with 24 people aged 17-29 and 24 people aged 60-73, discovering that older adults subconsciously over-process "irrelevant information" and associate it with simultaneously occurring information. Karen Campbell, a psychology doctoral student at the University of Toronto, stated that the knowledge formed in this way is very helpful for problem-solving. Dr. Hasher, the senior scientist in charge of the research, said that this discovery is extremely encouraging for the elderly: "Their attention span may indeed be declining, but they pay more attention to irrelevant information occurring simultaneously in their environment than younger people, and this information has significant importance for decision-making in real life. Because the elderly take into account more information, they may be more astute decision-makers."
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