Male Researchers May Increase Stress in Lab Mice
It has long been suspected that laboratory animals might act differently when researchers are present. Reporting in Nature Methods, Jeffrey Mogil and colleagues tested the theory and found that the presence of a male experimenter, but not a female, increased the amount of stress a laboratory mouse displayed. Mogil discusses the findings and the implications for future experimental designs.
Jeffrey Mogil is the E.P. Taylor Professor of Pain Studies at McGill University in Montreal, Canada.