A visual challenge, the 'Spot the 409' test, requires participants to find a single '409' amidst numerous '406's within seven ...

A challenging optical illusion tests eyesight and concentration by hiding a number within a dizzying pattern. The article ...

Abstract: This paper presents an analysis of the clock-drawing test from the Montreal Cognitive Assessment (MoCA), using computer vision and deep learning techniques to perform an evaluation based on ...