Introduction:
Memory, often perceived as merely a repository of our past, is, in fact, an integral part of our present and future. It's the cornerstone of our identity, shaping our perception of the world and our place within it. From remembering the warmth of a loved one's smile to recalling the aroma of your favorite coffee shop, memory stitches together the tapestry of our experiences.
In a practical sense, memory is a major asset in all aspects of our lives. It enables us to remember significant dates like birthdays and anniversaries - not just facts but also emotional connections. We use it to recall important details from business meetings or conversations, allowing us to make informed decisions and build strong relationships.
Improved memory can significantly enhance our learning capabilities. It allows us to absorb information more effectively, understand new concepts faster, and retain that knowledge for extended periods. This improved learning capacity can translate into better performance in our work or studies, enabling us to work smarter and be more productive.
As we age, maintaining mental agility becomes increasingly essential. When exercised regularly, our memory can help stave off cognitive decline and keep our minds sharp. It allows us to stay engaged with life, learning, growing, and contributing to our communities even in our golden years.
In today's fast-paced, information-saturated world, boosting memory has become more than just a desirable trait; it's necessary. It helps us navigate complex situations, adapt to change, and make sense of the world around us. Improving memory isn't about cramming more information into our brains; it's about enhancing our ability to access and utilize it effectively.
Here are ten cognitive techniques to help you on this journey of cognitive enhancement. These strategies, grounded in scientific research and practical application, can help you improve your memory, boost your mental performance, and enrich your life. Let's dive in.
1 - Engage in Regular Physical Exercise
Engaging in regular physical exercise serves as a powerful tool for cognitive enhancement. It's not just about building muscles or increasing endurance; it's about fostering mental resilience and boosting brain performance. Studies have shown that moderate-intensity exercise can improve working memory and cognitive flexibility[1]. It means better problem-solving, more efficient information processing, and enhanced ability to switch between tasks.
Moreover, exercise can, directly and indirectly, boost your memory and thinking skills[2]. Physiological changes stimulated by workout, such as increased heart rate and blood flow to the brain, contribute to this cognitive boost. Some research even suggests that exercise can induce long-term changes in the hippocampus, a region of the brain critical for memory and learning[3].
The benefits of exercise on cognition aren't confined to the short-term post-workout period. Regular physical activity promotes healthy cognitive aging[4], helping maintain mental sharpness as we age. It can also protect against certain neurological conditions and improve overall brain health[5.6].
So, whether it's a brisk walk in the park, a high-energy Zumba class, or a calming yoga session, find an exercise routine you love and make it part of your daily life. Your brain will thank you for it.
2 - Prioritize Quality Sleep
Sleep is a fundamental, yet often overlooked, aspect of maintaining and enhancing memory. When we sleep, our brain doesn't just switch off; it goes to work. It sifts through the experiences, interactions, and information absorbed during the day, consolidating them into long-term memories[7]. This process is critical for learning and memory recall.
During sleep, particularly in the rapid eye movement (REM) stage, our brains replay the day's events, helping to strengthen neural connections and integrate new information with existing knowledge[8]. The replaying and consolidating process allows us to recall details, understand complex concepts, and apply learned information later.
Quality sleep also helps maintain the health of our neurons and other cells that contribute to cognitive processes[9]. Lack of sleep can lead to cognitive impairments, including difficulty concentrating, slowed response times, and memory problems[10].
Establishing a regular sleep schedule is essential for optimal memory function. Going to bed and waking up at the same time each day can help regulate your body's internal clock, leading to better sleep quality. Aim for 7-9 hours of sleep per night, as recommended by the National Sleep Foundation[11].
In our busy lives, it's easy to neglect sleep. However, prioritizing good sleep hygiene can profoundly affect your memory and overall cognitive function. Consider it an investment in your brain's future.
3 - Embrace Lifelong Learning
Keeping your brain active and engaged is akin to taking your mind to the gym. Just as physical exercise strengthens our bodies, mental stimulation strengthens our cognitive abilities, including memory. Engaging in cognitive activities creates new neural pathways and strengthens existing ones, enhancing brain plasticity and promoting better memory function[12].
Learning a new language, for instance, involves complex cognitive processing, requiring the brain to recall vocabulary, understand grammar rules, and interpret meaning. This cognitive workout can enhance various aspects of memory, from working memory to long-term memory[13].
Playing a musical instrument provides another mental challenge. It requires coordination, rhythm, and the ability to read music - all of which stimulate different areas of the brain. Studies have shown that musicians often have better memory function compared to non-musicians[14].
Even simpler activities like doing crossword puzzles or playing chess can have significant cognitive benefits. They require problem-solving, pattern recognition, and recall of information, all of which keep the brain active and engaged[15].
Keeping your brain busy with stimulating activities is a proactive way to boost your memory. So, pick up that book you've meant to read, learn to play your favorite song on the guitar, or tackle a sudoku puzzle. Your brain will relish the challenge.
4 - Follow a Brain-Boosting Diet
A well-balanced diet is more than just fuel for our bodies; it's also essential for our brains. The nutrients we consume can significantly influence cognitive processes, including memory[16].
Foods rich in antioxidants, such as berries, dark chocolate, and spinach, protect our brain cells from damage by combating free radicals[17]. This protection can enhance brain health and improve memory and cognitive function.
Omega-3 fatty acids in fatty fish like salmon and mackerel are essential for brain health. They contribute to the structural integrity of brain cells and enhance communication between neurons[18]. Regular consumption of omega-3-rich foods can support memory and cognitive functioning.
B vitamins, particularly B6, B9 (folic acid), and B12, are crucial for brain health and memory[19]. These vitamins, abundant in foods like whole grains, lean meats, and leafy greens, help reduce levels of homocysteine in the blood, a compound linked to cognitive decline and Alzheimer's disease[20].
Moreover, maintaining a diet low in added sugars and saturated fats is equally important. These can impair memory and cognitive function and increase the risk of developing neurological disorders[21].
In essence, adopting a healthy and balanced diet can do wonders for your memory. So, next time you're planning a meal, consider incorporating some brain-boosting foods into your diet. Your brain will thank you for it.
5 - Practice Mindfulness Meditation
Mindfulness meditation is an ancient practice with profound modern implications, particularly for memory and learning. It involves focusing on the present moment, acknowledging and accepting one's feelings, thoughts, and sensations].
Research suggests that regular mindfulness meditation can increase gray matter density in the hippocampus, a region of the brain crucial for memory formation and learning[22]. Gray matter contains most of the brain's neuronal cell bodies and includes regions involved in muscle control, sensory perception, memory, emotions, and speech. An increase in its density can lead to improvements in these cognitive functions.
Moreover, mindfulness meditation can enhance working memory capacity, the type of memory that allows us to hold and manipulate information over short periods[23]. It can also improve episodic memory, the type of memory that involves remembering specific events and experiences[24].
Setting aside a few minutes daily for mindful meditation can be a simple yet effective strategy for boosting memory and cognitive function. You can start with just five minutes a day, focusing on your breath or the sensations in your body. You can gradually increase the duration as you get more comfortable with the practice.
In a world that often demands our constant attention, taking time to quiet the mind and focus inward can be a powerful tool for improving memory and promoting overall mental well-being.
6 - Limit Alcohol Intake
Excessive alcohol consumption can have a significant impact on cognitive health. It can lead to memory loss, cognitive decline, and even permanent brain damage[25]. It is due to alcohol affecting the neurotransmitters in the brain, disrupting communication between neurons, and impairing cognitive functions, including memory.
Moderation is key when it comes to alcohol consumption. Drinking in moderation, or not at all, can help maintain optimal brain health and prevent alcohol-related memory impairment[26].
Instead, consider opting for brain-healthy beverages like green tea or water. Green tea is rich in antioxidants and polyphenols that protect the brain from free radical damage and oxidative stress[27]. Studies suggest that regular consumption of green tea can enhance cognitive function and may reduce the risk of neurodegenerative disorders[28].
Water, on the other hand, is essential for maintaining overall health, including brain health. Dehydration can impair short-term memory, attention, and decision-making skills[29]. Ensuring adequate hydration throughout the day can support optimal cognitive function and memory.
In summary, what you choose to drink can significantly influence your memory and cognitive health. Opting for healthier beverage choices and moderating alcohol intake can contribute to better brain health and improved memory function.
7 - Manage Stress Levels
Chronic stress is more than just a state of mind—it can have serious effects on the brain, particularly on memory. Prolonged periods of stress can damage the hippocampus, the brain's main center for storing memories and linking them to emotions and senses. This impairment can lead to difficulties forming new memories and retrieving old ones.
Stress management techniques, such as deep breathing exercises, yoga, and other relaxation strategies, can help protect your memory from the harmful effects of stress. Deep breathing can lower your heart rate and blood pressure, promoting a state of calmness and helping to clear your mind[30]. It can improve concentration and memory recall.
Yoga, a practice that combines physical postures, breath control, and meditation, has been shown to reduce stress levels and improve cognitive function[31]. Regular yoga can enhance memory and attention span, especially when combined with meditation.
Other stress management strategies include maintaining a healthy diet, regular exercise, ensuring adequate sleep, and engaging in enjoyable activities. These can all contribute to reducing stress levels and improving cognitive health.
Incorporating these stress management techniques into your daily routine can help safeguard your memory and cognitive function. By taking steps to manage stress, you're not only improving your mental well-being but also promoting better brain health.
8 - Socialize Regularly
Interacting with others does more than provide companionship and enjoyment—it actively stimulates our brains and contributes to cognitive health. A wealth of research indicates that strong social networks are linked with a lower risk of dementia and better memory performance[32,33].
When we engage in social activities, our brains are challenged to process complex information, recognize patterns, and respond appropriately. It provides a form of intellectual stimulation that can enhance cognitive function and memory[33]. Some studies suggest that social interaction may be one of the best forms of brain exercise[33].
Moreover, social ties can help combat feelings of isolation and loneliness, associated with cognitive decline and an increased risk of dementia[34]. Regular use of social networking sites and other online platforms can increase connections with other people, thereby reducing isolation and potentially lowering dementia risk[35].
Maintaining a strong social network could also help preserve brain structure. It suggests that fostering social bonds could serve as a potential preventive strategy for the onset of dementia[36].
In addition to social interaction, regular physical activity is another effective way to reduce the risk of dementia and boost cognitive health[1]. It's beneficial for your heart, circulation, and mental well-being.
In summary, nurturing social relationships and staying physically active is vital in promoting brain health and protecting memory performance. By staying socially engaged and leading an active lifestyle, you're taking important steps toward maintaining cognitive health and reducing the risk of dementia.
9 - Regular Check-ups
Regular health check-ups are crucial for overall wellness and early detection of potential health issues, including those that may affect memory. Certain conditions, such as hypertension and diabetes, if left untreated, can impair cognitive function and lead to memory loss[37,38].
Hypertension, or high blood pressure, can cause damage to the blood vessels in the brain, affecting its ability to function optimally. Over time, uncontrolled hypertension can lead to cognitive decline, dementia, and problems with memory and understanding[39,40].
Similarly, diabetes can have an adverse effect on brain health. High blood sugar levels can lead to inflammation and oxidative stress, damaging brain cells and impairing cognitive function. Studies have found a strong link between type 2 diabetes and an increased risk of Alzheimer's disease, severely affecting memory[41,42].
Health check-ups allow for timely intervention and management of these conditions, helping to prevent their negative impact on cognitive health. Regular monitoring of blood pressure and blood sugar levels and adherence to prescribed medication and lifestyle modifications can help maintain brain health and memory function.
In addition to regular check-ups, maintaining a healthy diet, regular exercise, adequate sleep, and stress management are also vital for preserving cognitive health. A holistic approach to health can go a long way in preventing memory impairment and promoting overall well-being.
10 - Use Memory-Boosting Techniques
Memory-enhancing techniques like chunking, visualization, and association can significantly improve recall. These methods work by leveraging the brain's natural tendencies, making it easier to store and retrieve information. It's worthwhile to experiment with these techniques to identify which ones best suit your cognitive style.
Chunking involves breaking down complex information into smaller, manageable units or 'chunks.' This technique is especially useful when trying to remember large amounts of data. It works because it reduces the cognitive load, making it easier for the brain to process information[43].
Visualization is another powerful memory tool. It involves creating mental images of the information you're trying to remember. By visualizing, you engage more areas of your brain than you would by simply reading or listening to the information. It can lead to stronger, more lasting memories[44,45].
Association, on the other hand, involves linking new information to something you already know. It could be a familiar concept, a personal experience, or even a specific place. Associating new data with existing memories creates a stronger connection in your brain, which can help enhance recall[46].
In addition to these techniques, regular practice and review can also boost memory performance. The more often you rehearse and revisit information, the more likely you are to remember it. This is due to the 'spacing effect', a psychological phenomenon where information is learned more effectively when study sessions are spaced out over time[47,48].
In Conclusion:
Memory is a complex but malleable faculty, and the strategies we've discussed in this article—visualization, association, regular practice, and review—offer promising avenues to enhance it. Visualization leverages the power of your brain's imaging capabilities to create stronger and more lasting memories. Association, meanwhile, capitalizes on the interconnectedness of our knowledge, linking new information to the familiar to strengthen recall. Finally, through regular practice and review, particularly when spaced out over time, you can tap into the 'spacing effect' to boost your memory performance.
Despite the diverse ways that these techniques engage with our cognitive machinery, they all underscore one fundamental truth: our memory is not static but something we can actively shape and improve. The key is to experiment, to find the mix of techniques that work best for us as individuals. Different methods will resonate with different people, so don't be afraid to try new approaches and see what works for you.
Remember, these strategies are not just about improving rote recall. They're about enhancing your cognitive well-being, about making learning a more enjoyable and rewarding experience. So why wait? Start incorporating these strategies into your daily routine now. See the improvements it brings to your memory and cognitive well-being. After all, every journey starts with a single step, and that step could be as simple as visualizing the contents of this article or associating its ideas with what you already know.
Ready to take the leap? Try incorporating these strategies into your daily routine now and see the improvements it brings to your memory and cognitive well-being! Let's embark on this exciting journey of cognitive enhancement together.
References:
[1] Mandolesi, L., Polverino, A., Montuori, S., Foti, F., Ferraioli, G., Sorrentino, P., & Sorrentino, G. (2017). Effects of Physical Exercise on Cognitive Functioning and Well-being: Biological and Psychological Benefits. Frontiers in Psychology, 9. https://doi.org/10.3389/fpsyg.2018.00509
[2] Health Harvard (2021, February 15). Exercise can boost your memory and thinking skills. Health.Harvard.edu. Retrieved August 14, 2023, from https://www.health.harvard.edu/mind-and-mood/exercise-can-boost-your-memory-and-thinking-skills
[3] Lennon, A. (2023, April 25). How and why does exercise improve cognitive function? Retrieved August 14, 2023, from https://www.medicalnewstoday.com/articles/how-and-why-does-exercise-improve-cognitive-function
[4] Kumar, M., Srivastava, S., & Muhammad, T. (2022). Relationship between physical activity and cognitive functioning among older Indian adults. Scientific Reports, 12(1), 1-13. https://doi.org/10.1038/s41598-022-06725-3
[5] Tocino-Smith, J. (2023, March 9). 10 Neurological Benefits of Exercise. Positive psychology. Retrieved August 14, 2023, from https://positivepsychology.com/exercise-neurological-benefits/
[6] HealthEssentials (2022, September 27). How Exercise Protects Your Brain’s Health. Health.Cleveland clinic. Retrieved August 14, 2023, from https://health.clevelandclinic.org/exercise-and-brain-health/
[7] Cappello, K. (2021, December 21). The Impact of Sleep on Learning and Memory. Med.Upenn.edu. Retrieved August 14, 2023, from https://www.med.upenn.edu/csi/the-impact-of-sleep-on-learning-and-memory.html
[8] Klinzing, J. G., Niethard, N., & Born, J. (2019). Mechanisms of systems memory consolidation during sleep. Nature Neuroscience, 22(10), 1598-1610. https://doi.org/10.1038/s41593-019-0467-3
[9] Stedehouder, J., & Kushner, S. A. (2017). Myelination of parvalbumin interneurons: A parsimonious locus of pathophysiological convergence in schizophrenia. Molecular Psychiatry, 22(1), 4-12. https://doi.org/10.1038/mp.2016.147
[10] National Heart, Lung, and Blood Institute. (n.d.). Sleep Deprivation and Deficiency. Retrieved August 14, 2023, from https://www.nhlbi.nih.gov/health/sleep-deprivation
[11] National Sleep Foundation. (n.d.). How Much Sleep Do We Really Need? Retrieved August 14, 2023, from https://www.sleepfoundation.org/how-sleep-works/how-much-sleep-do-we-really-need
[12] Fernandez, A. (2008, February 26). Brain Plasticity: How Learning Changes Your Brain. SharpBrains. Retrieved August 14, 2023, from https://sharpbrains.com/blog/2008/02/26/brain-plasticity-how-learning-changes-your-brain
[13] Kennedy, T. (2006). Language Learning and Its Impact on the Brain: Connecting Language Learning with the Mind Through Content‐Based Instruction. Foreign Language Annals, 39, 471-486. from https://www.semanticscholar.org/paper/Language-Learning-and-Its-Impact-on-the-Brain%3A-with-Kennedy/175fd27ab663efb51a1418503b282937a39c3858?p2df
[14] Miendlarzewska, E. A., & Trost, W. J. (2012). How musical training affects cognitive development: Rhythm, reward and other modulating variables. Frontiers in Neuroscience, 7. https://doi.org/10.3389/fnins.2013.00279
[15] Aciego, R., García, L., & Betancort, M. (2012). The benefits of chess for the intellectual and social-emotional enrichment in schoolchildren. The Spanish Journal of Psychology, 15(2), 551-559. https://pubmed.ncbi.nlm.nih.gov/22774429/
[16] Korsmo, H. W., Jiang, X., & Caudill, M. A. (2019). Choline: Exploring the Growing Science on Its Benefits for Moms and Babies. Nutrients, 11(8). https://doi.org/10.3390/nu11081823
[17] Martin, B., Mattson, M. P., & Maudsley, S. (2006). Caloric restriction and intermittent fasting: Two potential diets for successful brain aging. Ageing Research Reviews, 5(3), 332-353. https://doi.org/10.1016/j.arr.2006.04.002
[18] Cole, G. M., Galasko, D., Shapiro, I. P., & Saitoh, T. (1990). STIMULATED PLATELETS RELEASE AMYLOID β–PROTEIN PRECURSOR. Biochemical and biophysical research communications, 170(1), 288. https://doi.org/10.1016/0006-291x(90)91272-t
[19] Kennedy, D. O. (2016). B Vitamins and the Brain: Mechanisms, Dose and Efficacy—A Review. Nutrients, 8(2). https://doi.org/10.3390/nu8020068
[20] Stefaniak, O., Dobrzyńska, M., Drzymała-Czyż, S., & Przysławski, J. (2022). Diet in the Prevention of Alzheimer’s Disease: Current Knowledge and Future Research Requirements. Nutrients, 14(21). https://doi.org/10.3390/nu14214564
[21] Beilharz, J. E., Maniam, J., & Morris, M. J. (2015). Diet-Induced Cognitive Deficits: The Role of Fat and Sugar, Potential Mechanisms and Nutritional Interventions. Nutrients, 7(8), 6719-6738. https://doi.org/10.3390/nu7085307
[22] Hölzel, B. K., Carmody, J., Vangel, M., Congleton, C., Yerramsetti, S. M., Gard, T., & Lazar, S. W. (2011). Mindfulness practice leads to increases in regional brain gray matter density. Psychiatry research, 191(1), 36. https://doi.org/10.1016/j.pscychresns.2010.08.006
[23] Kang, H., An, S. C., Kim, N. O., Sung, M., Kang, Y., Lee, U. S., & Yang, J. (2019). Meditative Movement Affects Working Memory Related to Neural Activity in Adolescents: A Randomized Controlled Trial. Frontiers in Psychology, 11. https://doi.org/10.3389/fpsyg.2020.00931
[24] Cherry, K. (2019, May 19). What Is Episodic Memory? Retrieved August 14, 2023, from https://www.verywellmind.com/what-is-episodic-memory-2795173
[25] Evert, D. L., & Oscar-Berman, M. (1994). Alcohol-Related Cognitive Impairments: An Overview of How Alcoholism May Affect the Workings of the Brain. Alcohol Health and Research World, 19(2), 89-96. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6875727/
[26] Panza, F., Frisardi, V., Seripa, D., Logroscino, G., Santamato, A., Imbimbo, B. P., Scafato, E., Pilotto, A., & Solfrizzi, V. (2012). Alcohol consumption in mild cognitive impairment and dementia: Harmful or neuroprotective? International Journal of Geriatric Psychiatry, 27(12), 1218-1238. https://doi.org/10.1002/gps.3772
[27] Chacko, S. M., Thambi, P. T., Kuttan, R., & Nishigaki, I. (2009). Beneficial effects of green tea: A literature review. Chinese Medicine, 5, 13. https://doi.org/10.1186/1749-8546-5-13
[28] Mandel, S., Weinreb, O., Amit, T., & H. Youdim, M. B. (2004). Cell signaling pathways in the neuroprotective actions of the green tea polyphenol (-)-epigallocatechin-3-gallate: Implications for neurodegenerative diseases. Journal of Neurochemistry, 88(6), 1555-1569. https://doi.org/10.1046/j.1471-4159.2003.02291.x
[29] Popkin, B. M., E, K., & Rosenberg, I. H. (2010). Water, hydration, and health. Nutrition Reviews, 68(8), 439-458. https://doi.org/10.1111/j.1753-4887.2010.00304.x
[30] Sharma, M. (2013). Yoga as an Alternative and Complementary Approach for Stress Management. Journal of Evidence-Based Complementary & Alternative Medicine. https://doi.org/10.1177/2156587213503344
[31] Gothe, N. P., & McAuley, E. (2015). Yoga and cognition: A meta-analysis of chronic and acute effects. Psychosomatic Medicine, 77(7), 784-797. https://journals.lww.com/psychosomaticmedicine/Abstract/2015/09000/Yoga_and_Cognition__A_Meta_Analysis_of_Chronic_and.8.aspx
[32] Fratiglioni, L., Paillard-Borg, S., & Winblad, B. (2004). An active and socially integrated lifestyle in late life might protect against dementia. The Lancet Neurology, 3(6), 343-353. https://www.thelancet.com/journals/laneur/article/PIIS1474-4422(04)00767-7/fulltext
[33] Ybarra, O., Burnstein, E., Winkielman, P., Keller, M. C., Manis, M., Chan, E., & Rodriguez, J. (2007). Mental Exercising Through Simple Socializing: Social Interaction Promotes General Cognitive Functioning. Personality and Social Psychology Bulletin. https://doi.org/10.1177/0146167207310454
[34] Holwerda, T. J., Deeg, D. J., Beekman, A. T., van Tilburg, T. G., Stek, M. L., Jonker, C., & Schoevers, R. A. (2014). Feelings of loneliness, but not social isolation, predict dementia onset: results from the Amsterdam Study of the Elderly (AMSTEL). Journal of Neurology, Neurosurgery & Psychiatry, 85(2), 135-142. https://jnnp.bmj.com/content/85/2/135
[35] Rai, H. K., Kernaghan, D., Schoonmade, L., Egan, K. J., & Pot, A. M. (2021). Digital Technologies to Prevent Social Isolation and Loneliness in Dementia: A Systematic Review. Journal of Alzheimer's Disease, 90(2), 513-528. https://doi.org/10.3233/JAD-220438
[36] Kelly, M.E., Duff, H., Kelly, S. et al. The impact of social activities, social networks, social support and social relationships on the cognitive functioning of healthy older adults: a systematic review. Syst Rev 6, 259 (2017). https://doi.org/10.1186/s13643-017-0632-2
[37] Román, G. C. (2003). Vascular Dementia: Distinguishing Characteristics, Treatment, and Prevention. Journal of the American Geriatrics Society, 51(5s2), S296-S304. https://doi.org/10.1046/j.1532-5415.5155.x
[38] Novak, V., & Hajjar, I. (2010). The relationship between blood pressure and cognitive function. Nature Reviews Cardiology, 7(12), 686-698. https://doi.org/10.1038/nrcardio.2010.161
[39] Iadecola, C., Yaffe, K., Biller, J., Bratzke, L. C., Faraci, F. M., Gorelick, P. B., ... & Smith, E. E. (2016). Impact of hypertension on cognitive function: a scientific statement from the American Heart Association. Hypertension, 68(6), e67-e94.https://www.ahajournals.org/doi/10.1161/HYP.0000000000000053
[40] koog, I., Lernfelt, B., Landahl, S., Palmertz, B., Andreasson, L. A., Nilsson, L., ... & Svanborg, A. (1996). 15-year longitudinal study of blood pressure and dementia. The Lancet, 347(9009), 1141-1145 .https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(96)90608-X/fulltext
[41] Janson, J., Laedtke, T., Parisi, J. E., O'Brien, P., Petersen, R. C., & Butler, P. C. (2004). Increased risk of type 2 diabetes in Alzheimer disease. Diabetes, 53(2), 474-481. https://diabetesjournals.org/diabetes/article/53/2/474/11453/Increased-Risk-of-Type-2-Diabetes-in-Alzheimer
[42] Ott, A., Stolk, R. P., Van Harskamp, F., Pols, H. A., Hofman, A., & Breteler, M. M. (1999). Diabetes mellitus and the risk of dementia: The Rotterdam Study. Neurology, 53(9), 1937-1942. https://n.neurology.org/content/53/9/1937.short
[43] Cherry, K. (2023). How Chunking Pieces of Information Can Improve Memory. Verywell Mind. Retrieved August 14, 2023, from https://www.verywellmind.com/chunking-how-can-this-technique-improve-your-memory-2794969
[44] Kosslyn, S. M., Ganis, G., & Thompson, W. L. (2001). Neural foundations of imagery. Nature Reviews Neuroscience, 2(9), 635-642. https://doi.org/10.1038/35090055
[45] MARKS, D. F. (1973). VISUAL IMAGERY DIFFERENCES IN THE RECALL OF PICTURES. British Journal of Psychology, 64(1), 17-24. https://doi.org/10.1111/j.2044-8295.1973.tb01322.x
[46] Anderson, J. R. (1983). Retrieval of Information from Long-Term Memory. Science. https://doi.org/6828877
[47] Bloodstein, O. (2006). Some empirical observations about early stuttering: A possible link to language development. Journal of Communication Disorders, 39(3), 185–191. https://doi.org/10.1016/j.jcomdis.2005.11.007
[48] Nikaido, A. M., & Ellinwood, E. H. (1987). Comparison of the effects of quazepam and triazolam on cognitive-neuromotor performance. Psychopharmacology, 92(4), 459–464. https://doi.org/10.1007/BF00176478