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Miller-McCune

Sunday, July 27, 2008

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Archive for Dopamine

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Brain Chemistry Linked to Poor Parenting

Researchers from the University of Wisconsin-Madison have found that negligent parenting is caused by a mixture of environmental and genetic factors, and might be linked to the brain signaling chemical dopamine.

Sex, Drugs and Ultrasonic Vocalizations

Researchers paying really, really close attention to mice having sex have discovered that males make high-pitched squeals during sexual interactions with females. What’s more, the high-frequency vocalizations tell us something about ourselves.

Finding it Fun to Rumble

Researchers from the University of Vanderbilt have shown that aggression is just as rewarding as sex, food, and drugs – although not, we assume, in that order.