This interpretation is intentionally vague, as people can use all kinds of language to self-report a mind blank. Examples ...

It engages your brain and eyes and makes those brain ... you need to find a hidden mug which is empty. Some of the mugs are filled with chocolate and other items such as marshmallows, and ice ...

IF you are able to spot the empty mug in this mind bending optical illusion ... has put together a hectic airport-themed brain teaser for you to test your eyesight and patience.

They have a brain that’s wired for higher cognitive ... visual perception test — can you spot the empty cup among a sea of ...

Set your timer for 20 seconds and see if you can spot the one empty ... is a red mug that is barely in the frame. The UK's biggest bingo site, tombola, also created a challenging brain quiz.

it's a nice first hint to start with as the aim is to find the mug that is empty. Hint: If you're still having trouble finding the empty mug, try looking closely in the photo's corner. If you have ...

Brain Teaser: Spot Who's Not Rich? Only 1 In 10 Pass This IQ Test In 5 Seconds! Can you spot that one empty mug? You have only 5 seconds. No hints, no second chances. Start the clock ...