We tend to see the line with the arrow tails as being longer than the line with the arrowheads because, according to the carpentered world hypothesis, the line with the arrowheads geometrically appears to be a corner closer to us, while with arrow tails it appears to be an inverted corner farther from us.

For example, other versions of the Muller-Lyer illusion utilize two circles at the end of the shaft. While there are no depth cues, the illusion still occurs. It has also been demonstrated that the illusion can even occur when viewing three-dimensional objects.

Ambiguous images or reversible figures are visual forms which create ambiguity by exploiting graphical similarities and other properties of visual system interpretation between two or more distinct image forms.

The absence of such objects in tribal cultures of sub-Saharan Africa was put forward in 1967 by the South African psychologist William Hudson (born 1914) as an explanation for the apparent inability of tribal Africans to interpret linear perspective in pictorial depth perception and their relative lack of …

The vertical line appears longer than the horizontal line when it is not. The vertical line appears longer than the horizontal line, even though both are of the same length.

The perceived size (length) of the vertical line depends on its actual size and perceived distance. Because the perceived distance is larger than the perceived distance of the horizontal line, the vertical line appears longer.

Between A and B, which line seems longer? – They’re the same.

Hence, line A is 4 cm longer than line B.

The Brain Check-up is simple and easy. You need a quiet space and a computer, tablet, or smartphone. Using the website HealthyBrains.org or the mobile app, you can answer a series of questions about you and your lifestyle choices. The entire check-up will take about 20 minutes to complete.

The answer for You draw a line. Without touching it, how do you make the line longer? Riddle is “Draw a shorter line next to it, and it becomes the longer line”.

Activities like Sudoku and search-and-find games put your brain to work filtering out competing sources of information. They challenge you to focus your attention to complete a task. Another good assessment of working memory and attention is the Stroop test.

No matter what the results say, you should keep in mind that the dominance of one hemisphere of the brain is not definite….Right Brain Left Brain Test.

But it wasn’t until 2019 that they identified differences in parts of the DNA of left- and right-handers. The study, which also analyzed brain scans of 9,000 British subjects, found that in lefties, the parts of the right and left sides of the brain that process language work in better tandem.

Top 10 Lefties

• Barack Obama. In the past hundred years, the U.S. presidency has veered more and more to the left — not in policy, but in handedness.
• Bill Gates.
• Oprah Winfrey.
• Babe Ruth.
• Napoleon Bonaparte.
• Leonardo da Vinci.
• Marie Curie.
• Aristotle.

And he may have a point, considering that other innovative entrepreneurs like Amar Bose, the founder of Bose, and Mark Zuckerberg, co-founder of Facebook, are left-handed, as was Apple co-founder Steve Jobs.

The takeaway. While there are curious differences between lefties and righties, a higher intelligence level probably isn’t one of them. Many studies show mixed results when examining this complicated link, leading researchers to conclude that left-handed people are no smarter than their right-handed counterparts.

Yes. Brad Pitt is left-handed. This is going by his constant inclusion on internet lists of left-handed celebrities. He shares this feature with his ex-wife Angelina Jolie.