Left-handedness has long been misunderstood, especially in schools and factories designed for right-handed use. This cultural pressure led to fewer observed left-handers among older adults - which explains why early research mistakenly linked left-handedness with shorter lifespans.

Modern research paints a far more interesting picture: handedness is shaped by a mix of biology and environment, not destiny. Even creativity and performance differences have been proposed - though findings are mixed, and scientists continue to study what handedness might reveal about how our brains organize information.

Sources: Read more about these findings here.

Step into the shoes of a hotel bellhop. In Memory Serves you deliver luggage to hotel guests by juggling an ever‑changing inventory of bags. As you improve, you’re challenged to keep track of more luggage types, training your memory updating skills.

The Science: Working Memory – Working Memory supports your ability to temporarily store and manipulate information. In this case, you’re not only storing the number of each suitcase you have, but updating it every time you pick up and drop off more luggage. 

How strong are your Planning skills? With Lumosity Premium you can access personalized insights about your cognition and gameplay style. 

The Train of Thought Insight will break down your most recent gameplay into actionable insights about how well you plan early versus waiting until the last second to flip a track switch. Compare your stats to similar members and get suggestions on how to improve. 

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