Wednesday, June 29, 2005 by Mike Adams, the Health Ranger Editor of NaturalNews.com (See all articles...) Tags: health news, Natural News, nutrition |
Forty-eight male volunteers stood barefoot on a stabilometric platform, to measure balance and body sway, and viewed twenty-four pictures from three different categories. They were: pleasant (sports), neutral (objects), and unpleasant (injured or mutilated humans). Posturographic and electrocardiographic recordings were collected. The author found a significant reduction in body sway along with increased muscle stiffness following the unpleasant/mutilation block of pictures compared to the neutral pictures. The number of heartbeats per minute was also lower after viewing the mutilation pictures than after looking at the others. “This pattern resembles the ‘freezing’ and ‘fear bradycardia’ seen in many species when confronted with threatening stimuli, mediated by neural circuits that promote defensive survival,” author Eliane Volchan explains.
This study is published in the current issue of Psychophysiology. Media wishing to receive a PDF of the full article please contact [email protected]
Psychophysiology reports on new theoretical, empirical and methodological advances in: psychology and psychiatry, cognitive science, cognitive and affective neuroscience, social science, health science and behavioral medicine, and biomedical engineering. It is published on behalf of the Society for Psychophysiological Research.
The study is authored by Tatiana M. Azevedo, Eliane Volchan, Erika C. Rodrigues, Luiz G. Lutterbach, and Claudia D. Vargas from the Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil. And Luiz A. Imbiriba, José M. Oliveira, and Liliam F. Oliveira from the School of Physical Education, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
Eliane Volchan is an associate professor and work with a team of students and collaborators in the Institute of Biophysics Carlos Chagas Filho at the Federal University of Rio de Janeiro, Brazil. In 2005, Dr. 2005 Volchan was awarded the Comendador da Ordem Nacional do Mérito Científico, by the Presidency of the Republic of Brazil.
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