A failure in the critical part of the brain crucial for social interaction may well contribute to a person becoming callous enough to inflict human atrocities, suggests a new study.
Researchers at Duke University and Princeton University suggested that this function may disengage when people encounter others they consider disgusting, thus "dehumanising" their victims by failing to acknowledge they have thoughts and feelings.
Post Traumatic Stress Disorder
Post Traumatic Stress Disorder (PTSD), is a mental condition triggered by a traumatic event. PTSD treatment includes pyschotherapy, behavior therapy and medications.
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This shortcoming could shed light how a father in Louisiana bludgeoned and beheaded his disabled 7-year-old son last August because he no longer wanted to care for the boy.
It may also help explain how propaganda depicting Tutsi in Rwanda as cockroaches and Hitler's classification of Jews in Nazi Germany as vermin contributed to torture and genocide, the study said.
![Domestic Violence Takes Serious Toll on Mental and Physical Health of Women]( "Domestic Violence Takes Serious Toll on Mental and Physical Health of Women")
Several studies and anecdotal evidence go to show that domestic violence takes a serious toll of mental and physical health of women.
"When we encounter a person, we usually infer something about their minds. Sometimes, we fail to do this, opening up the possibility that we do not perceive the person as fully human," said lead author Lasana Harris, an assistant professor in Duke University's Department of Psychology and Neuroscience and Centre for Cognitive Neuroscience.
Social neuroscience has shown through MRI studies that people normally activate a network in the brain related to social cognition - thoughts, feelings, empathy, for example - when viewing pictures of others or thinking about their thoughts.
But when participants in this study were asked to consider images of people they considered drug addicts, homeless people, and others they deemed low on the social ladder, parts of this network failed to engage.
The result is what the researchers call "dehumanised perception," or failing to consider someone else's mind.
Such a lack of empathy toward others can also help explain why some members of society are sometimes dehumanised, they said.
The study appears in a recent issue of the Journal of Psychology.
Source: ANI
Domestic Violence Takes Serious Toll on Mental and Physical Health of Women
Several studies and anecdotal evidence go to show that domestic violence takes a serious toll of mental and physical health of women.
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"When we encounter a person, we usually infer something about their minds. Sometimes, we fail to do this, opening up the possibility that we do not perceive the person as fully human," said lead author Lasana Harris, an assistant professor in Duke University's Department of Psychology and Neuroscience and Centre for Cognitive Neuroscience.
Social neuroscience has shown through MRI studies that people normally activate a network in the brain related to social cognition - thoughts, feelings, empathy, for example - when viewing pictures of others or thinking about their thoughts.
But when participants in this study were asked to consider images of people they considered drug addicts, homeless people, and others they deemed low on the social ladder, parts of this network failed to engage.
The result is what the researchers call "dehumanised perception," or failing to consider someone else's mind.
Such a lack of empathy toward others can also help explain why some members of society are sometimes dehumanised, they said.
The study appears in a recent issue of the Journal of Psychology.
Source: ANI
Domestic Violence: The Silent Killer of Women Worldwide
The special report on Medindia brings to the spotlight the problem of domestic violence and its consequences
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 Expert Talks on Post Traumatic Stress Disorder (PTSD)- David KinchinDavid Kinchin, author and expert on PTSD sheds light on the invisible injury that continues to haunt many who have experienced a significant traumatic event. | Advertisement
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