The coordinated activity of brain cells, like birds flying in formation, helps us behave intelligently in new situations, according to a new study. The work is the first to illuminate the neurological processes known as abstraction and inference in the human brain.
The coordinated activity of brain cells, like birds flying in formation, helps us behave intelligently in new situations, according to a study led by Cedars-Sinai investigators. The work, published in the peer-reviewed journalis the first to illuminate the neurological processes known as abstraction and inference in the human brain.
In the study, investigators worked with 17 hospitalized patients who had electrodes surgically implanted in their brains as part of a procedure to diagnose epilepsy. In total, the researchers recorded the firing of thousands of brain cells as participants performed an inference task on a computer. Through repetition, participants eventually learned the correct response for each of the four pictures. At that point, the rules of the game were reversed without the participants being informed, and the opposite response for each picture was counted as correct.
Some subjects were initially not able to perform inference from experience with the task alone. For these subjects, investigators provided verbal instructions that allowed the subjects to then infer the correct answers.
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