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An innovative, experimental test that provides objective data about your imagery ability. Based on the scientific priming effect in binocular rivalry.
The Binocular Rivalry test is an innovative approach to objectively measuring imagery ability. Unlike questionnaires like the VVIQ, which rely on self-assessment, this test uses a measurable physiological effect.
In binocular rivalry, different images are shown to each eye. Instead of merging both images, the brain alternates between them. The test uses this effect to measure how strongly your mental imagery influences your perception.
Research has shown that people with strong imagery ability more frequently perceive a color they've mentally imagined during binocular rivalry. This 'priming effect' enables a more objective measurement.
This test is based on current research and is not as established as the VVIQ. Results should be considered supplementary information, not a definitive diagnosis.
First, we check your color perception with simple color tests.
You'll be asked to intensely imagine a specific color (red or blue).
Then you'll see a special pattern where both colors compete.
You indicate which color you perceive as dominant.
When you imagine a color, this 'primes' your visual system. In people with strong imagery, this causes them to perceive that color more frequently afterward.
When each eye is shown a different image, the brain alternates between both images. This switching can be influenced by prior mental imagery.
Allow yourself 15 minutes in a quiet environment. Make sure you can distinguish colors well.
The test measures how strongly your mental imagery influences your visual perception. A strong priming effect indicates vivid imagery, while a weak effect could indicate aphantasia.
Unlike questionnaires, this test is not based on your self-assessment but on a measurable behavioral effect. This makes it less susceptible to subjective bias.
The test is based on peer-reviewed research on binocular rivalry and the priming effect. However, it's not as broadly validated as the VVIQ and should be considered a supplementary tool.
You need a computer or tablet with a sufficiently large screen. Color blindness can affect results – the test therefore begins with color calibration.
The classic, globally recognized test for measuring visual imagery vividness.
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