Psychologists used a sleight-of-hand trick called the French drop, in which an object appears to vanish when a spectator assumes it is taken from one hand by the hidden thumb of the other hand. The ...
A Humboldt’s squirrel monkey is fooled by the “French Drop” magic trick. Credit: E. Garcia-Pelegrin et al., 2023 The key to a successful sleight-of-hand magic trick is how well a magician manipulates ...
This trick required the scientists to put food in one hand, and present that hand to each individual monkey. Clayton (a professor of Comparative Cognition at the University of Cambridge and a Fellow ...
Monkeys with hands that resemble ours fall for a sleight-of-hand magic trick, but those without opposable thumbs aren’t fooled. These differences illustrate how primates’ expectations of the actions ...
Oculus Quest owners can now wave their hands in the air to wield magical forces, play music on a xylophone by just pressing their fingers against an invisible instrument, turn dials by pinching their ...
The use of magic effects to investigate the blind spots in attention and perception and roadblocks in the cognition of the spectator has yielded thought-provoking results elucidating how these ...
An illusion involving a hidden thumb confounds capuchin and squirrel monkeys for the same reason it does humans -- it misdirects expected outcomes of actions they can carry out. However, marmosets ...
Psychologists used a sleight-of-hand trick called the French drop, in which an object appears to vanish when a spectator assumes it is taken from one hand by the hidden thumb of the other hand. The ...
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