There's no single "best" memory in the world, as it varies by type (e.g., factual recall vs. life events), but top contenders include memory athletes like Alex Mullen (world champion in card memorization, uses "memory palace") and Dave Farrow (Guinness record holder for decks of cards, emphasizes novelty), alongside individuals with Hyperthymesia (HSAM) like actress Marilu Henner, who recall nearly every day of their lives vividly, and savants like Daniel Tammet (pi recitation).
But they're not alone--Mongolia as a country leads the world in memory competitions, winning more medals than any other nation despite its smaller population. 🇲🇳🏆 Thanks to the twins and Mastermind Intellectual Academy for sharing this fascinating glimpse into Mongolia's extraordinary memory talents.
Dominic O'Brien is the eight times champion of the 'World's Best Memory'. But just what is his secret?
As humans, we pride ourselves on our impressive brain power, but when it comes to memory, we've got rivals. Squirrels, elephants and dolphins are just three animals with amazing memory capabilities.
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The mathematician Leonhard Euler has been characterized as having an eidetic memory. He was able to, for example, repeat the Aeneid of Virgil from beginning to end without hesitation, and for every page in the edition he could indicate which line was the first and which was the last even decades after having read it.
Krishan Chahal, known as The Memory King, shares a powerful insight. Your brain is a filtering system, not a hard drive.
A rare condition called Hyperthymesia causes people to have such a strong autobiographical memory that they can remember everything that occurred in their lives. Every person they have seen, every emotion they experienced, and every conversation they have had, these people remember everything.
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Japan ranks highest in average IQ globally, with an average IQ score of 106.48, according to recently updated data from DataPandas on May 20, 2025. National IQ is influenced by factors such as education, healthcare, nutrition, and economic stability.
Our ability to remember new information peaks in our 20s, and then starts to decline noticeably from our 50s or 60s.
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Actress Marilu Henner says she can remember it all. And you probably remember her as Elaine Nardo from the hit TV show "Taxi." She can recall, off the top of her head, the exact day she got the part. "It was June 4 of 1978.
Memorizing pi The record for the most digits of pi memorized belongs to Rajveer Meena of Vellore, India, who recited 70,000 decimal places of pi over 10 hours on March 21, 2015, according to Guinness World Records. (As of March 2024, Meena still holds this record.)
Research has consistently demonstrated a significant correlation between IQ levels and memory performance. Individuals with higher IQ scores often exhibit superior memory abilities, particularly in working memory — the capacity to hold and manipulate information over short periods.
The time when the brain works most rapidly is around age 18 or 19; short-term memory peaks at around age 25; and the ability to read other people's emotional states is optimal in one's 40s and 50s. When one is a senior, in their 60s or 70s, “crystallized” intelligence is the strongest.
For instance, it appears that babies are born with more intact implicit, or unconscious, memories. At the same time the explicit, or episodic, memory that records specific events does not carry information over that three-year gap, explaining why people do not remember their births.
Vitamin B12 is crucial for memory, so if you're deficient in it you could experience forgetfulness. A vitamin D deficiency could also put you at risk for memory-impairing conditions like Alzheimers. It's also important to make sure you're getting enough omega-3 fatty acids and vitamin E.
Here are the top 5 countries with the best memory, based on their performance in the championship.
Before we get into what you should be doing to memorize more effectively, let's quickly use the 3 R's Test to identify some more memory tips that just don't cut it. Highlighting - this identifies what needs to be memorized (which is important) but doesn't use the 3 R's. Re-reading - this is another form of repetition.
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When you learn something new, the best way to remember it is to sleep on it. That's because sleeping helps strengthen memories you've formed throughout the day. It also helps to link new memories to earlier ones. You might even come up with creative new ideas while you slumber.
Highly Superior Autobiographical Memory (HSAM) is a rare form of exceptional memory characterised by an enhanced ability to remember autobiographical content (LePort et al., 2012; Patihis et al., 2013).
Research shows that the best brain foods are the same ones that protect your heart and blood vessels, including the following: Green, leafy vegetables. Leafy greens such as kale, spinach, collards, and broccoli are rich in brain-healthy nutrients like vitamin K, lutein, folate, and beta carotene.