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    Home » Sports » Looking at old pictures relieves pain, say scientists
    Sports

    Looking at old pictures relieves pain, say scientists

    James MartinBy James MartinMarch 1, 2022No Comments3 Mins Read
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    Couple look at wedding pictures on coffee table (Getty)
    Scientists in China have figured out why looking at old pictures could help us deal with pain (Credits: Getty Images)

    Flicking through childhood pictures and reminiscing about the good old days can actually relieve pain, scientists have found.

    Feeling nostalgic helps people overcome low levels of pain by reducing brain activity, according to a new study.

    While these feelings have been found to reduce people’s perception of pain, what biological mechanisms are at work have remained a mystery.

    Now scientists in China have found yearning for a ‘simpler time’ reduces brain activity and could help people overcome low levels of pain like headaches.

    Professor Huajian Cai, at the Chinese Academy of Sciences, said: ‘As a predominantly positive emotion, nostalgia serves various adaptive functions, including a recently revealed analgesic effect.

    ‘Human participants’ behaviour results showed that the nostalgia paradigm significantly reduced participants’ perception of pain, particularly at low pain intensities.’

    Participants were shown a series of 26 nostalgic images while hooked up to an fMRI machine to measure their brain activity.

    The images featured scenes and items from a so-called ‘average childhood’ like a popular cartoon TV show, schoolyard game or sweeties.


    Middle aged woman looking through old pictures (Getty)
    Feeling nostalgic helps people overcome low levels of pain by reducing brain activity (Credits: Getty)

    At the same time, participants were exposed to varying levels of pain using a small heat generator on their right forearm, around ten centimetres above the wrist.

    Another group was exposed to a different series of images showing scenes and items from modern life, which did not invite feelings of nostalgia, to see whether they perceived pain differently.

    Lower levels of pain were recorded for those who saw their childhood flash before their eyes, the researchers found.

    The bitter-sweet images also reduced activity in two parts of the brain, known to be involved in pain perception — the left lingual gyrus and parahippocampal gyrus.

    Another region, called the thalamus, was also found to play a role in relaying nostalgia information to parts of the brain associated with pain perception.


    Close up portrait of a young happy woman leaning on the banister of a bridge near river.
    A region of the brain called the thalamus was found to play a role in relaying nostalgia information to parts of the brain associated with pain perception. (Credits: Getty)

    While there is a wide variety of pain medication for people to choose from, they are potentially addictive.

    The findings suggest nostalgia may be a drug-free way for people to alleviate low levels of pain like headaches.

    Professor Cai said: ‘The current study results reveal that the thalamus, as a critical brain region for pain modulation, is also related to the analgesic effect associated with nostalgia.

    ‘These findings demonstrate the analgesic effect of nostalgia and, more importantly, shed light on its neural mechanism.’

    The findings were published in the journal JNeurosci.


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