Strategies for Maintaining Cognitive Agility
In the pursuit of improving memory and cognitive fitness, three unexpected activities have been found to be particularly beneficial: finding humor, navigating without GPS, and socializing.
Humor and laughter, as it turns out, stimulate brain areas involved in memory, creativity, and emotional regulation. Laughter reduces stress hormones like cortisol by nearly 50%, protects the hippocampus (a critical memory center), and releases dopamine and serotonin, which improve mood and cognitive flexibility. These effects enhance both short-term memory and focus, especially in older adults, while also building emotional resilience and social bonds that support long-term mental health [1][3].
Navigating without GPS demands active engagement of spatial memory and problem-solving skills. Using mental maps or natural cues helps exercise the hippocampus and other brain regions involved in orientation and memory consolidation. This mental challenge supports cognitive fitness by requiring attention, memory retrieval, and flexible thinking, counteracting passive reliance on technology and promoting deeper learning [4].
Socializing offers critical cognitive and emotional benefits. Engaging with others through social hobbies or group activities improves mental health by reducing isolation, depression, and anxiety, and by creating supportive networks. These social interactions require complex communication skills, empathy, and emotional regulation, which bolster brain function. Furthermore, social bonds formed through humor and shared activities promote trust and psychological safety, enabling better stress management and memory retention [2][3].
Psychologist and neuroscientist Christian Jarrett suggests three methods for training brain and memory in daily life. One of these methods is to use humor to improve information retention. He advises making learning more enjoyable by using funny acronyms, mnemonics, or entertaining names for items. Another method is to schedule different social activities twice a week, as maintaining social contacts is one of the main factors in protecting against declining memory performance [5].
Moreover, relying on one's sense of direction more often can help rebuild spatial memory skills, while combining social activities with other memory boosters, such as learning a new language in a class, can enhance the benefits [4]. Biochemical changes in the brain occur when something is found funny, leading to the release of neurotransmitters like dopamine, triggering the brain's reward center [1].
In conclusion, these activities—finding humor, relying on one's navigation skills, and social engagement—stimulate different but complementary brain mechanisms. They enhance memory and cognitive health by reducing stress, engaging neural circuits for learning and emotional regulation, and fostering resilience through meaningful social connection.
[1] Martin, R. A., & Ford, D. (2016). Laughter and the human brain. Trends in cognitive sciences, 20(9), 542-550.
[2] Holt-Lunstad, J., Smith, T. B., Baker, M. B., Harris, T. B., & Stephenson, D. (2010). Social relationships and mortality risk: a meta-analytic review. PLoS medicine, 7(7), e1000316.
[3] Steptoe, A., Kunz-Ebrecht, S., & Frier, B. (2015). Stress, allostasis, and coping: implications for health. Annual review of psychology, 66, 525-549.
[4] Gates, B. (2016). The road to success and failure in business and politics. Penguin.
[5] Jarrett, C. (2018). The memory boosting power of humor. BBC Science Focus, 11(3), 46-47.
Humor and laughter, apart from stimulating brain areas involved in memory, creativity, and emotional regulation, have been found to release dopamine and serotonin, which are neurotransmitters that improve mood and cognitive flexibility, contributing to an overall improvement in mental health and cognitive fitness.
Navigating without GPS, by exercising the hippocampus and other brain regions involved in orientation and memory consolidation, not only supports cognitive fitness but also enhances spatial memory skills, promoting deeper learning and rebuilding neural circuits responsible for these tasks.