Cuddling Marmosets (IMAGE) University of Wisconsin-Madison Caption Cuddling and grooming are important activities for common marmosets such as these at the Wisconsin National Primate Research Center. Cuddling, and especially grooming, strengthen pair bonding, physical intimacy and successful mating. A new study that used PET scans of marmoset brains reveals the effects on brain activity of a new drug just hitting the market for women with hypoactive sexual desire disorder. Credit J. Lenon/Wisconsin National Primate Research Center, University of Wisconsin-Madison Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.