In a recent study, functional magnetic resonance imaging was used to track the brain activity of 51 male-female romantic panters as they faced real-time intimate partner hostility.
They found that aggression toward intimate partners was associated with
abnormal activity in the brain’s medial prefrontal cortex, or mPFC, including
many functions, but among them have the potential to promote perceptions
Closeness and value to other people.
used in a study led by researchers from Virginia Commonwealth University
Functional magnetic resonance imaging to examine brain activity of 51
male-female romantic couple because they experienced intimate partner aggression
in real time.
They found that aggression toward intimate partners was associated with
abnormal activity in the brain’s medial prefrontal cortex, or mPFC, including
many functions, but among them have the potential to promote perceptions
Closeness and value to other people.
“We found that aggression toward intimate partners has a unique signature
brain,” said lead author David Chester, Ph.D., an associate professor in
Department of Psychology in the College of Humanities and Sciences. “there is
Something different is happening on a neural level when people decide whether to harm their romantic partner, a process that varies in a meaningful way.
From the decision to harm friends or strangers. ,
The research was led by Chester’s Social Psychology and Neuroscience Lab,
that attempts to understand the psychological and biological processes that
Motivating and inhibiting aggressive behavior.
The study, “Neural mechanisms of intimate partner aggression,” will be published in the journal Biological Psychology. Researchers were able to observe couples’ brain activity during intimate partner aggression by asking participants to play computer games against three people, one at a time: their romantic partner, a close friend and a stranger.
In fact, they were playing against a computer.
Participants were tasked with pressing a button faster than their
The opponents’ losers, they were told, would be punished with a horrific outburst.
sound in their headphones.
The researchers measured aggression by giving participants and their imagined opponents the opportunity to choose the volume of that sound blast, with higher volume representing greater aggression, and lower volume representing less aggression.
“Basically, we gave participants repeated opportunities to hurt or not hurt each
of these three people, and we examined how brain activity changed
Which they thought was hurting,” Chester said.
“But…..no one was really hurt by this computer game the participants unknowingly played against the computer.”
The researchers’ findings also extended beyond the laboratory into the real world. they
had participants fill out a validated questionnaire asking whether they had
Crimes of intimate partner violence before the study.
They found that blurred medial prefrontal cortex activity predicted some of the
Real-world actions of participants of intimate partner violence.
“We expected to see that intimate partner aggression was associated with a unique”
signature of brain activity,” Chester said. “What we were surprised by was
Ability of this brain signature to predict real-world intimate partner
violence.”
They also examined how the neural activity of men and women each affected
another’s aggression. They found that the aggression of the women’s intimate partner was
Predicted by their male partner’s brain response to a perceived stimulus.
“This result fits with the well-established finding that women’s intimate partners
The aggression can often be in self-defense,” Chester said.
Taken together, he said, the study results provide new insights into the brain
areas that are likely to be useful targets for interventions aimed at reducing
Intimate partner aggression and help science build an accurate brain model
Such harmful acts.
Chester said the researchers conducted this study with utmost care.
The couple was pre-screened to make sure they were not at high risk for intimate
partner violence.
The researchers carefully considered each participant individually. To make sure thev feels comfortable reconnecting with his partner. And they carefully discussed both partners again as a couple to make sure the study didn’t have negative effects.
“We had strong protocols for security in case anything goes wrong”
The well-being of our participants,’ Chester said.
“It is of paramount importance that studies into intimate partner aggression prioritize the safety and well-being of their participants, and we believe we have achieved this goal.”
While this study focused on male-female intimate partner aggression, Chester
Said that these dynamics need to be investigated more and more in the future
Diversity of gender identity and sexual orientation.
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