Pelmanism

[Magaret]

([uncountable])
1 System of training to improve the memory.
2 A [memory card] game in which a pack of cards is [spread out] face down and players try to turn up pairs with the same symbol.

[Greta]

A system of memory training originally devised by the Pelman Institute for the Scientific Development of Mind, Memory, and Personality in London in the 1920s.

[Julian]

a card game in which players use their memory to try to find pairs of matching cards, turning over two cards at a time from a set of cards that are spread out face (= picture side) down