(Neuroscience News) We’ve all been there. You are in the middle of a heated disagreement when you lose respect for the opposing party. Whether it is about the latest election or childcare, you feel like your considered arguments are not appreciated – perhaps even ignored. But did you ever wonder what exactly is happening in the mind of the person on the other side?
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In a recent study, just published in Nature Neuroscience, we and our colleagues recorded people’s brain activity during disagreements to find out.
In our experiment, we asked 21 pairs of volunteers to make financial decisions. In particular, they each had to assess the value of real estates and bet money on their assessments. The more confident they were in their assessment, the more money they wagered.
Each volunteer lay in a brain imaging scanner while performing the task so we could record their brain activity. The two scanners were separated by a glass wall, and the volunteers were able to see the assessments and bets of the other person on their screen.
When volunteers agreed on the price of the real estate, each of them became more confident in their assessment, and they bet more money on it. That makes sense – if I agree with you then you feel more sure that you must be right. Each person’s brain activity also reflected the encoding of the confidence of their partner. In particular, activity of a brain region called the posterior medial frontal cortex, which we know is involved in cognitive dissonance, tracked the confidence of the partner. We found that the more confident one volunteer was, the more confident the partner became, and vice versa.
However – and this is the interesting part – when people disagreed, their brains became less sensitive to the strength of others’ opinions. After disagreement, the posterior medial frontal cortex could no longer track the partner’s confidence. Consequently, the opinion of the disagreeing partner had little impact on people’s conviction that they were correct, regardless of whether the disagreeing partner was very sure in their assessment or not at all.
It was not the case that the volunteers were not paying attention to their partner when they disagreed with them. We know this because we tested our volunteers’ memory of their partners’ assessments and bets. Rather, it seems that contradictory opinions were more likely to be considered categorically wrong and therefore the strength of those opinions was unimportant.
A polarised society
We suspect that when disagreements are about heated topics such as politics, people will be even less likely to take note of the strength of contradictory opinions.
Our findings may shed light on some puzzling recent trends in society. For instance, over the last decade, climate scientists have expressed greater confidence that climate change is man-made. Yet, a survey by the Pew research centre shows that the percentage of Republicans who believe this notion to be true has dropped over the same period of time. While there are complex, multi-layered reasons for this specific trend, it may also be related to a bias in how the strength of other people’s opinions are encoded in our brain.
Our brains can reveal a lot about our behaviour. Image is adapted from The Conversation news release.
The findings can also be extrapolated to political current events. Take the recent impeachment hearings against US president Donald Trump. Our study suggests that whether a witness appears “calm, confident and in command of the facts” (as government official Bill Taylor was described when testifying during the hearings) or “unsteady and uncertain” (as the FBI chief Robert Muller was described when testifying about his special counsel investigation back in July) will matter little to those who already oppose impeachment when testimonies are unsupportive of the president. But they will affect the conviction of those who are in favour of impeachment.
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So how can we increase our chances of being heard by members of an opposing group? Our study lends new support to a “tried and tested recipe” (as Queen Elizabeth II recently put it while addressing a country divided over Brexit) – finding the common ground.
The strength of a carefully reasoned opinion is less likely to be registered when launching into a disagreement with a sturdy pile of evidence describing why we are right and the other side is wrong. But if we start from common ground – that is the parts of the problem we agree on – we will avoid being categorised as a “disputer” from the very beginning, making it more likely that the strength of our arguments will matter.
Take for example the attempt to alter the conviction of parents who refuse to vaccinate their children because they falsely believe vaccines are linked to autism. It has been shown that presenting strong evidence refuting the link does little to change their minds. Instead, focusing solely on the fact that vaccines protect children from potentially deadly disease – a statement that the parents can more easily agree with – can increase their intention to vaccinate their children by threefold.
So in the midst of that heated disagreement, try and remember that the key to change is often finding a shared belief or motive.
Funding: Tali Sharot receives funding from the Wellcome Trust
Andreas Kappes does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.
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Source:
The Conversation
Media Contacts:
Tali Sharot and Andreas Kappes – The Conversation
Image Source:
The image is adapted from The Conversation news release.
Original Research: Closed access
“Confirmation bias in the utilization of others’ opinion strength”. Tali Sharot et al.
Nature Neuroscience doi:10.1038/s41593-019-0549-2.
Abstract
Confirmation bias in the utilization of others’ opinion strength
Humans tend to discount information that undermines past choices and judgments. This confirmation bias has significant impact on domains ranging from politics to science and education. Little is known about the mechanisms underlying this fundamental characteristic of belief formation. Here we report a mechanism underlying the confirmation bias. Specifically, we provide evidence for a failure to use the strength of others’ disconfirming opinions to alter confidence in judgments, but adequate use when opinions are confirmatory. This bias is related to reduced neural sensitivity to the strength of others’ opinions in the posterior medial prefrontal cortex when opinions are disconfirming. Our results demonstrate that existing judgments alter the neural representation of information strength, leaving the individual less likely to alter opinions in the face of disagreement.
Stillness in the Storm Editor: Why did we post this?
Psychology is the study of the nature of mind. Philosophy is the use of that mind in life. Both are critically important to gain an understanding of as they are aspects of the self. All you do and experience will pass through these gateways of being. The preceding information provides an overview of this self-knowledge, offering points to consider that people often don’t take the time to contemplate. With the choice to gain self-awareness, one can begin to see how their being works. With the wisdom of self-awareness, one has the tools to master their being and life in general, bringing order to chaos through navigating the challenges with the capacity for right action.
– Justin
Not sure how to make sense of this? Want to learn how to discern like a pro? Read this essential guide to discernment, analysis of claims, and understanding the truth in a world of deception: 4 Key Steps of Discernment – Advanced Truth-Seeking Tools.
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Source:
https://neurosciencenews.com/neuroscience-disagree-15351/
There are hidden dangers in the “blindness of polarized points of view” where each believes they are right and the other wrong.
Here, hidden within the burned out lifeless portions of our very Hearts, hatred lives still, and hatred and love cannot co-exist in the same space.
Just notice how heartlessness can quickly emerge when two polarized points of view, each with their now, extremely entrenched, deeply denied, emotional charges, become triggered when these ‘polarized points of view’ finally come to head. Here entrenched points of view ‘locked and loaded’ can quickly turn anger into murderous rage.
“Who will back down first, and how far…?
I’m right, they’re wrong…!
If I back down first I will simply die and that can never be allowed…!”
It is reminiscent of a magnetic field in which two north poles of a magnet forever push against each other making coming together impossible.
Without magnetic, emotional movement of these underlying emotional charges privately with yourself first, any effort to expand ‘your’ viewpoint beyond your present locked-in polarization, will not meet success. Without self forgiveness and unconditional self acceptance in the Heart, opposing polarized viewpoints cannot be changed.
When you have privately moved enough of these underlying emotions first with yourself rather than with the ones you feel are sure to blame (Divine Messengers that carrying your denials back to you), you will reach a point in your search for a path beyond this ‘polarized madness’, where you will be able to see that everything you deem unacceptable within them will most assuredly be found hidden in a state of denial within you.
Everything you see in them that you have judged as unacceptable is being caused by you and the strength of your denials.
When you hold those very same judgments against yourself and do so in a state of self denial rather than a state of Loving self acceptance, your denials will now have accredited enough magnetic power to manifest the experience of it in reverse.
What you judge as unacceptable within yourself and hold in a state of denial, will ALWAYS create a reality that judges and denies YOU, without exception.
Once you have reached this level of understanding through self acceptance you will have begun the process of birthing new love within the Heart where once only death creating heartlessness resided.
“The long, painful and difficult search for True Understanding and Balance has been almost entirely co-opted into obscurity by point of view.” – Ceanne DeRohan