Mysteries of the brain

Why do we suddenly forget certain words? The "tip of the tongue" effect

You’re talking with friends, everything is flowing perfectly… but then it happens. The name of that actor from a classic movie, or even something as simple as a familiar word, suddenly disappears. You can almost feel it there, but you just can’t say it. And it’s not just you. This happens to everyone, and there’s even a name for it. It’s called the "tip-of-the-tongue" phenomenon, and here you'll discover why your brain does this and what you can do when it happens.

It’s probably happened to you, too: you’re seconds away from remembering a word, you can almost grab it, but it slips away. That frustrating mental pause is called the "tip-of-the-tongue" (TOT) phenomenon, also known as lethologica.

According to cognitive neuroscience research published by the National Library of Medicine, it’s a temporary moment when a perfectly familiar word, one you absolutely know and understand, refuses to fully come forward in your mind and your mouth. In simple terms, your brain has the meaning, but can’t quite pull up the sound of the word.

If this happens to you often, don’t worry. The "tip-of-the-tongue" (TOT) effect is not a sign of a failing memory. Simply put, it’s not a malfunction; it’s more like a system getting momentarily crowded.

According to one of the theories that explains this phenomenon, you don’t forget words because you don’t know them, but because your brain knows too many words. When you try to pull out one specific term, other words can briefly "block it" from coming. The more you know, the more your brain has to sift through, and sometimes the right word gets momentarily stuck.

Sometimes you briefly forget a word simply because you haven’t used it in a while. If a term isn’t part of your regular conversation, the "path" to saying it isn’t as well-worn.

A widely accepted scientific explanation, known as the "Transmission Deficit Hypothesis", adds to this idea. It suggests that the brain can easily retrieve the meaning of a word, but has more difficulty pulling up its sound at the same time. Basically, you don’t lose the word itself; you just momentarily lose access to how to say it.

Among the words most often "affected" by the TOT, names of people and places tend to be the first to slip away. And that’s not a coincidence.

Unlike everyday words like "car" or "house," proper names have fewer mental connections. Each name is unique in sound and meaning, with almost no similar words to "pull" it into memory. In essence, common words are tied to a web of associations we use every day, while names are more isolated in the brain, making them harder to grab when you suddenly need them after a while.

It’s ironic, but the more you try to remember that word or name, the harder it becomes. And it’s not just a feeling; it’s something well documented.

The moment you realize you can’t recall it, a bit of frustration and anxiety naturally kicks in. According to psychology and cognitive neuroscience, stress can actually interfere with memory, as it further blocks the neural pathways to vocabulary. Often, the best way to get it back is simply relaxing and letting it go for a moment.

It seems that when you finally give up and decide to stop chasing the word because it just won’t come, out of nowhere, it suddenly pops into your head.

Since stress and frustration can block memory retrieval, the key is often to stop forcing it. The so-called "let it go" strategy is exactly that: shift your attention to something else, talk about a different topic, or simply move on as if it doesn’t matter. And then, when you least expect it, the word returns on its own.

The strategy of shifting your attention for a moment works surprisingly well, but it’s not the only trick that can help. There’s another simple method people often use when a word just won’t appear.

It’s called the "alphabet trick," a basic memory exercise where you slowly go through the letters of the alphabet, sometimes in your head, sometimes out loud, one by one. The idea is that the single sound of a letter can "trigger" the missing word. For example, if you’re trying to remember the name of Diane Keaton, by the time you reach "D," there’s a good chance it suddenly pops back in your mind.

And it’s not just the sound of the letters that can help you recover a forgotten word or name. You can also get there through its meaning.

When TOT happens, it’s often recommended to start circling the idea instead of chasing the exact word. Think of related terms, synonyms, or simply describe what you’re trying to name: what it does, what it looks like, where you heard it, or who you associate it with. All of those mental clues can guide your brain to the word you were looking for, often when you don’t try so hard to force it.

Another way to train your brain when it comes to vocabulary is simple, but powerful: challenge it regularly. How? Word games like crossword puzzles, Scattergories, or quick spelling challenges are not just fun, they’re real mental exercises. In fact, they can stimulate your recall even more than passive reading.

It may sound like a cliché, but it’s true. Every time you force your brain to search for meanings, patterns, or exact word forms, you’re essentially practicing for those TOT moments, so the next time a word disappears, your mind finds it faster.

Word games are great, there’s no doubt about it. However, when we talk about "exercise," we’re not just referring to mental workouts.

Science has shown a clear connection between aerobic activity, sleep quality, and how well the brain processes language. Staying physically active, moving throughout the day, and getting a solid night’s sleep all work together to support brain health, especially memory. So yes, if you take care of both mind and body, those frustrating "what is that word?" moments can become less frequent.

These towns are the bee’s knees

10 animal towns around the world

Traveling to foreign cities and towns is a great way to interact with different people and their cultures, but have you ever thought about visiting an animal town? Scattered around the world, some of these places are the result of natural reserves set up to protect endangered species, while others are simply a product of life’s circumstances. Let’s take a look at 10 "animal towns" around the world!

Also known as Neko no Shima, or Cat Island, this Japanese town has become a popular tourist destination for cat lovers worldwide. A former fishing town, cats were introduced to Aoshima as a means of controlling rodents, but they quickly outnumbered the human population. It is estimated that there are around 36 cats for every human on Aoshima.

Every winter, this town in the Canadian province of Manitoba receives an influx of furry visitors when hundreds of polar bears make their way to Hudson Bay to hunt for seals. Residents do their best to avoid them, but a few curious bears still go snooping around, and some even end up in "polar bear jail" before being released back into the wild.

Assateague is a barrier island located along the Maryland-Virginia border on the Atlantic coast. It is famous for its population of feral horses, most likely descendants of formerly domesticated animals. Maryland and Virginia residents disagree on whether the animals should be called horses or ponies, a discussion that has not been settled because the animals have horse-like characteristics but pony-size stature, most likely due to environmental conditions.

Each November, this Australian island near the coast of Indonesia becomes the setting for a natural wonder, the annual red crab migration. The island’s red crab population—estimated at around 100 million crabs—travels to the sea to lay their eggs. To allow the horde of crustaceans to safely reach the shore, authorities close off roads around the island.

This beach on the inhabited island of Big Major Cay is not only a tropical paradise but also home to an unexpected animal community. No one knows exactly where the pigs came from, but the swimming pigs have become a popular tourist attraction, and they are often fed by the visitors of neighboring islands.

This one is not really a town, but it is home to a colony of friendly sea lions. Located at a shopping and entertainment complex on a San Francisco pier, the animals began moving in during the 1980s from a more distant colony. After an earthquake in 1989 caused residents to remove their boats while the pier was being refurbished, the sea lions made their home there and have shared the space with humans ever since.

Located in Japan’s Inland Sea, Okunoshima is home to a huge population of free-roaming rabbits. These animals are descendants of domestic rabbits, so they are quite tame and will often approach humans. In order to protect the rabbits, animals like cats and dogs are banned from the island.

A protected reserve since the 1970s, this South American peninsula is home to the largest colony of Magellanic penguins in the world. Despite threats such as oil spills affecting the animals, the population numbers have steadily risen in the past several decades, and nowadays it’s estimated that the colony houses nearly a million birds.

Off the coast of Norway, this island has a small human population—just a little more than 100 people—but they are greatly outnumbered by seabirds, which number between about 500,000 and 700,000. The island is considered a protected reserve and hosts many bird species, the most notable being the Atlantic puffin.

Once a royal city, Polonnaruwa is now an archaeological site near a modern town of the same name. The ruins have been declared a UNESCO World Heritage Site, but they also have an additional tourist attraction: a colony of toque macaques, residents of the ruins for centuries.