Geometrical Thinking Offers a Window Into Computation
In a pair of studies, researchers use a novel way of examining data to explain how animals simultaneously encode tiny details and the big picture.
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April 7, 2021
If you spent 2020 the same way I did housebound, with an abundance of free time perhaps you also directed your attention to the following critical but boring task: organizing your clothes. Imagine you have a two-drawer dresser, and you need to sort four types of garments: sweaters and T-shirts, either of which can be V-neck or crew neck. What’s the best way to organize them? Placing sweaters and T-shirts in separate but adjacent drawers keeps them organized and easy to find, and also reflects a natural relationship between them they are clothing tops for different weather conditions.
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Do you talk to your horse? If so, your speaking style matters, according to new research by Lea Lansade, PhD, and colleagues from Université de Tours in France. The article, “Horses are sensitive to baby talk: pet‐directed speech facilitates communication with humans in a pointing task and during grooming,” was published in the March 2021 issue of
This is the first study to provide evidence that human speech style can affect equine behavior. Lansade was particularly interested in the use of pet-directed speech (PDS) with horses. PDS has the same sound qualities as baby talk (also called infant-directed speech [IDS], Motherese, and Parentese). This style of speaking has a distinctive vocal signature, with a high pitch and slow rate.
Study shows that attention and working memory share the same neural mechanisms
In 1890, psychologist William James described attention as the spotlight we shine not only on the world around us, but also on the contents of our minds.
Most cognitive scientists since then have drawn a sharp distinction between what James termed sensorial attention and intellectual attention, now usually called attention and working memory, but James saw them as two varieties of the same mental process.
New research by Princeton neuroscientists suggests that James was on to something, finding that attention to the outside world and attention to our own thoughts are actually two sides of the same neural coin. What s more, they have observed the coin as it flips inside the brain.
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