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Why Do We Forget What We’re Doing the Minute We Enter a Room?

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iStock

Left your keys on the kitchen counter again? No problem. Just go and get them. Walk through the house, into the kitchen, and—what was it you needed to do again? Why are you in here? In less than 30 seconds, you’ve managed to forget the entire purpose of your errand. But don’t worry. It’s not just you, and you’re not losing your marbles. It’s called the Doorway Effect, and it’s actually a sign that your brain is in fine working order. 

Scientists used to believe that memory was like a filing cabinet. You have an experience, and it gets its own little file in your brain. Then, later, you can go back and open the file, which is unchanged and where it should be. It’s a nice, tidy image—but it’s wrong. Your brain is much more complicated and sophisticated than that. It’s more like a super-high-powered computer, with dozens of tasks and applications running at once.

A 2011 study found that the Doorway Effect is the result of several of these brain programs running simultaneously. Researchers taught 55 college students to play a computer game in which they moved through a virtual building, collecting and carrying objects from room to room. Every so often as the participants traversed the space, a picture of an object popped up on the screen. If the object shown was the one they were carrying or the one they had just put down, the participants clicked “Yes.” Sometimes these pictures appeared after the participant had walked into a room; other times they appeared while the participant was still in the middle of a room. The researchers then built a real-world version of the environment and ran the experiment again, using a box to hide the objects people were carrying so they couldn’t double-check.

The results of both trials were the same: The simple act of walking through a doorway made people forget what they were doing. And it wasn’t a matter of distance, either. The researchers asked the question (“Is this what you’re carrying?”) after people had walked a certain distance within a room, and a certain distance between rooms. Within a room, their memories remained mostly intact. But crossing a threshold was like shaking a mental Etch-a-Sketch.

The researchers concluded that their subjects’ brains perceived doorways as a kind of cut-off point. The memories and movement that carried the students through one context literally hit a wall. On the other side of that wall was new context, and a fresh landscape for memory. The participants’ mental computers were combining the tasks of spatial awareness, movement, and memory. But each task requires attention, and you can’t pay attention to everything at once. 

Is there a way to avoid the Doorway Effect? Probably, although science hasn’t found it yet. If you’ve got a trick that works, let us know in the comments.

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8 of the Weirdest Gallup Polls
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Getty

Born in Jefferson, Iowa on November 18, 1901, George Gallup studied journalism and psychology, focusing on how to measure readers’ interest in newspaper and magazine content. In 1935, he founded the American Institute of Public Opinion to scientifically measure public opinions on topics such as government spending, criminal justice, and presidential candidates. Although he died in 1984, The Gallup Poll continues his legacy of trying to determine and report the will of the people in an unbiased, independent way. To celebrate his day of birth, we compiled a list of some of the weirdest, funniest Gallup polls over the years.

1. THREE IN FOUR AMERICANS BELIEVE IN THE PARANORMAL (2005)

According to this Gallup poll, 75 percent of Americans have at least one paranormal belief. Specifically, 41 percent believe in extrasensory perception (ESP), 37 percent believe in haunted houses, and 21 percent believe in witches. What about channeling spirits, you might ask? Only 9 percent of Americans believe that it’s possible to channel a spirit so that it takes temporary control of one's body. Interestingly, believing in paranormal phenomena was relatively similar across people of different genders, races, ages, and education levels.

2. ONE IN FIVE AMERICANS THINK THE SUN REVOLVES AROUND THE EARTH (1999)

In this poll, Gallup tried to determine the popularity of heliocentric versus geocentric views. While 79 percent of Americans correctly stated that the Earth revolves around the sun, 18 percent think the sun revolves around the Earth. Three percent chose to remain indifferent, saying they had no opinion either way.

3. 22 PERCENT OF AMERICANS ARE HESITANT TO SUPPORT A MORMON (2011)

Gallup first measured anti-Mormon sentiment back in 1967, and it was still an issue in 2011, a year before Mormon Mitt Romney ran for president. Approximately 22 percent of Americans said they would not vote for a Mormon presidential candidate, even if that candidate belonged to their preferred political party. Strangely, Americans’ bias against Mormons has remained stable since the 1960s, despite decreasing bias against African Americans, Catholics, Jews, and women.

4. MISSISSIPPIANS GO TO CHURCH THE MOST; VERMONTERS THE LEAST (2010)

This 2010 poll amusingly confirms the stereotype that southerners are more religious than the rest of the country. Although 42 percent of all Americans attend church regularly (which Gallup defines as weekly or almost weekly), there are large variations based on geography. For example, 63 percent of people in Mississippi attend church regularly, followed by 58 percent in Alabama and 56 percent in South Carolina, Louisiana, and Utah. Rounding out the lowest levels of church attendance, on the other hand, were Vermont, where 23 percent of residents attend church regularly, New Hampshire, at 26 percent, and Maine at 27 percent.

5. ONE IN FOUR AMERICANS DON’T KNOW WHICH COUNTRY AMERICA GAINED INDEPENDENCE FROM (1999)

Although 76 percent of Americans knew that the United States gained independence from Great Britain as a result of the Revolutionary War, 24 percent weren’t so sure. Two percent thought the correct answer was France, 3 percent said a different country (such as Mexico, China, or Russia), and 19 percent had no opinion. Certain groups of people who consider themselves patriotic, including men, older people, and white people (according to Gallup polls), were more likely to know that America gained its independence from Great Britain.

6. ONE THIRD OF AMERICANS BELIEVE IN GHOSTS (2000)

This Halloween-themed Gallup poll asked Americans about their habits and behavior on the last day of October. Predictably, two-thirds of Americans reported that someone in their house planned to give candy to trick-or-treaters and more than three-quarters of parents with kids reported that their kids would wear a costume. More surprisingly, 31 percent of American adults claimed to believe in ghosts, an increase from 1978, when only 11 percent of American adults admitted to a belief in ghosts.

7. 5 PERCENT OF WORKING MILLENNIALS THRIVE IN ALL FIVE ELEMENTS OF WELL-BEING (2016)

This recent Gallup poll is funny in a sad way, as it sheds light on the tragicomic life of a millennial. In this poll, well-being is defined as having purpose, social support, manageable finances, a strong community, and good physical health. Sadly, only 5 percent of working millennials—defined as people born between 1980 and 1996—were thriving in these five indicators of well-being. To counter this lack of well-being, Gallup’s report recommends that managers promote work-life balance and improve their communication with millennial employees.

8. THE WORLD IS BECOMING SLIGHTLY MORE NEGATIVE (2014)

If you seem to feel more stress, sadness, anxiety, and pain than ever before, Gallup has the proof that it’s not all in your head. According to the company’s worldwide negative experience index, negative feelings such as stress, sadness, and anger have increased since 2007. Unsurprisingly, people living in war-torn, dangerous parts of the word—Iraq, Iran, Egypt, Syria, and Sierra Leone—reported the highest levels of negative emotions.

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Space
Earth's First-Recorded Interstellar Visitor Gets Its Closeup—And a Name
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NASA/JPL-Caltech

In October, scientists using the University of Hawaii's Pan-STARRS 1 telescope sighted something extraordinary: Earth's first confirmed interstellar visitor. Originally called A/2017 U1, the once-mysterious object has a new name—'Oumuamua, according to Scientific American—and researchers continue to learn more about its physical properties.

Fittingly, "'Oumuamua" is Hawaiian for "a messenger from afar arriving first." 'Oumuamua's astronomical designation is 1I/2017 U1. The "I" in 1I/2017 stands for "interstellar." Until now, objects similar to 'Oumuamua were always given "C" and "A" names, which stand for either comet or asteroid.

'Oumuamua moved too quickly through space to orbit the Sun, which led researchers to believe that it might be the remains of a former exoplanet. Long ago, it might have hurtled from an unknown star system into our solar system. Far-flung origins aside, new observations have led some researchers to conclude that 'Oumuamua is, well, pretty ordinary—at least in appearance.

'Oumuamua's size (591 feet by 98 feet) and oblong shape have drawn comparisons to a chunky cigar that's half a city block long. It's also reddish in color, and looks and acts like asteroids in our own solar system, the BBC reports. Its average looks aside, 'Oumuamua remains important because it may provide astronomers with new insights into how stars and planets form.

University of Wisconsin–Madison astronomer Ralf Kotulla and scientists from UCLA and the National Optical Astronomy Observatory (NOAO) used the WIYN Telescope on Kitt Peak, Arizona, to take some of the first pictures of 'Oumuamua. You can check them out below.

Images of an interloper from beyond the solar system — an asteroid or a comet — were captured on Oct. 27 by the 3.5-meter WIYN Telescope on Kitt Peak, Ariz.
Images of 'Oumuamua—an asteroid or a comet—were captured on October 27.
WIYN OBSERVATORY/RALF KOTULLA

U1 spotted whizzing through the Solar System in images taken with the WIYN telescope. The faint streaks are background stars. The green circles highlight the position of U1 in each image. In these images U1 is about 10 million times fainter than the faint
The green circles highlight the position of U1 in each image against faint streaks of background stars. In these images, U1 is about 10 million times fainter than the faintest visible stars.
R. Kotulla (University of Wisconsin) & WIYN/NOAO/AURA/NSF

Color image of U1, compiled from observations taken through filters centered at 4750A, 6250A, and 7500A.
Color image of U1.
R. Kotulla (University of Wisconsin) & WIYN/NOAO/AURA/NSF

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