Expressions on face trigger emotions in brain study
Los Angeles researchers report that making angry or disgusted faces can evoke corresponding emotions in the brain. Paul Ekman links facial muscles to emotion centers, noting fear anger disgust and sadness can be triggered, with happiness less clear.
MENTIONED IN THIS ARTICLE
Los Angeles
Paul Ekman
University of California At
San Francisco
Ekman
American Association For the Advancement of Science
Richard Davidson
University of Wisconsin
Davidson
Charles Darwin
Hormone links to teen misbehavior found in study
Researchers measure seven hormones in 108 youths aged 9 to 14 and relate levels to social adjustment and behavior. Boys with lower testosterone and higher androstenedione showed more delinquent acts, while girls with lower DHEA sulfate linked to delinquency and depressive traits.
MENTIONED IN THIS ARTICLE
Nottelmann
NIMH
National Institute of Child Health and Human Development
Tests May Predict Alcoholism Risk From Tolerance
Los Angeles. An alcohol tolerance test could predict who may become alcoholics, similar to glucose tests for diabetes, researchers say. Two studies tie low sensitivity to alcohol to family history, and a third links brain wave differences to sensitivity. Researchers caution predictions aren’t yet possible but note markers for risk may be identified.
MENTIONED IN THIS ARTICLE
Los Angeles
Gene Erwin
Alcohol Research Center
University of Colorado, Boulder
American Association For the Advancement of Science
Erwin
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