Only 1% people in the world are capable of spotting the inverted 69 hidden in this tricky visual illusion IQ test picture.

This puzzle is the ultimate test of IQ. If you are looking to test your mental speed and information processing skills, then ...

People rarely notice how their eyes shape their sense of the world, yet new research shows just how powerful this effect can ...

Visual field is closely related to quality of life (QoL), and visual field loss is a factor that diminishes quality of life. Specifically, a 2020 report estimated that 76 million people worldwide ...

Perimetry (visual field testing) quantifies a patient’s retinal sensitivity to light and clarifies a deviation from normal ...

Discover why hills look steeper than they are and how eye height and gaze angle shape everyday visual perception. (CREDIT: Getty Images) People rarely notice how their eyes shape their sense of the ...

In today's rapidly advancing technology landscape, the application of machine vision technology has penetrated multiple fields, particularly in appearance inspection and automated optical inspection ...

"So now it turns out that these dogs can do the same.” Fugazza and her Hungarian colleagues have been studying canine behavior and cognition for several years. For instance, in 2023, we reported on ...

Using lasers, researchers triggered optical illusion signals in mouse brains, uncovering how the brain fills in missing details in vision.

Jakob von Uexküll was a Baltic German biologist ahead of his time, intrigued by the idea that animals inhabit unique ...

Research links racial bias to subtle shifts in perception, showing how stereotypes may influence brain activity during object ...