Category Archives: pleasure

Brain Learns to Hit the Repeat Button in Pursuit of Pleasure

In a scientific first, researchers have observed in mice how the brain learns to repeat patterns of neural activity that elicit the all-important feel-good sensation. Until today, the brain mechanisms that guide this type of learning had not been measured directly, according to Neuroscience News.

This research offers key insights into how brain activity is shaped and refined as animals learn to repeat behaviors that evoke a feeling of pleasure. The findings also point to new strategies for targeting disorders characterized by abnormal repetitive behaviors, such as addiction and obsessive-compulsive disorder, or OCD.

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This image is an artistic interpretation of the authors’ work. Within a myriad of many pixel-like neurons, an obvious pattern emerges from more active red pixels and from parallel, less-active blue pixels: the letters corresponding to the word reward. NeuroscienceNews.com image is credited to Gil Costa.

The study, led by researchers at Columbia University’s Zuckerman Institute, the Champalimaud Centre for the Unknown and the University of California at Berkeley (UC Berkeley), was published in Science.

“It’s no secret that we derive pleasure from doing things we enjoy, such as playing our favorite video game,” said Rui Costa, DVM, PhD, senior author and the associate director and CEO of Columbia’s Zuckerman Institute. “These results reveal that the brain learns which activity patterns lead to feel-good sensations, and reshapes itself to more efficiently reproduce those patterns.” Continue reading

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