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Observation
When the Zebra Loses its Stripes
The capacity to remember that a zebra has stripes, or that a giraffe is a four-legged mammal, is known as semantic memory. It allows us to assign meaning to words and to recall general knowledge and concepts that we have learned. The deterioration of these capacities is a defining feature of semantic dementia and can also occur in Alzheimer’s patients. A group of French neurologists and neuropsychologists has identified the elements of semantic memory that are the first to deteriorate and may thus have explained why a surprising phenomenon known as hyperpriming can be seen in the early stages of Alzheimer’s disease.... More>
Observation
Video Gaming Prepares the Brain for Bigger Tasks
Playing video games for hours on end may develop skills in childhood that could be useful when training to be, for example, a laparoscopic surgeon, a new study shows.... More>
