NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Lucia Freira

Universidad Torcuato Di Tella
The Research Laboratory on Crime,
Institutions and Policies (LICIP)

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NBER Working Papers and Publications

August 2017Crime and Violence: Desensitization in Victims to Watching Criminal Events
with Rafael Di Tella, Ramiro H. Gálvez, Ernesto Schargrodsky, Diego Shalom, Mariano Sigman: w23697
We study desensitization to crime in a lab experiment by showing footage of criminal acts to a group of subjects, some of whom have been previously victimized. We measure biological markers of stress and behavioral indices of cognitive control before and after treated participants watch a series of real, crime-related videos (while the control group watches non-crime-related videos). Not previously victimized participants exposed to the treatment video show significant changes in cortisol level, heart rate, and measures of cognitive control. Instead, previously victimized individuals who are exposed to the treatment video show biological markers and cognitive performance comparable to those measured in individuals exposed to the control video. These results suggest a phenomenon of desensit...
 
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