COVID-19

Here's the neuroscience of loneliness, and why technology can help

Health worker Emilie Neumann helps a 79 year-old resident to attend an online video call with his relatives at Les Jardins d'Emeraude long-term care unit at Bischwiller departemental hospital, near Strasbourg, during a lockdown imposed to slow the spread of the coronavirus disease (COVID-19), France, April 9, 2020. Picture taken April 9, 2020.   REUTERS/Christian Hartmann - RC2L1G9SF8NP

Technology can help us stay connected throughout the pandemic. Image: REUTERS/Christian Hartmann

Anna Henschel
PhD Candidate in Psychology & Neuroscience , University of Glasgow
Emily S. Cross
Professor of Social Robotics, Macquarie University
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COVID-19

  • As a result of social distancing measures, more people than ever before are experiencing feelings of loneliness.
  • Technology can help us stay connected throughout the pandemic.
  • The best remedy is to keep in touch with our loved ones online, especially through shared activities, such as virtual quizzes or dance parties.

Large numbers of people around the globe have been forced into solitude due to the coronavirus pandemic. However, social distancing is utterly at odds with our drive for social connection, the cornerstone of human evolution.

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Suddenly confronted with a lack of social interactions, many of us are now experiencing more loneliness. We are missing that reassuring hug or shoulder pat from another human – things we might normally expect in times of adversity. To cope, we try to fill the void with online social activities, such as synchronised Netflix viewings, games and video chat dance parties. But do these help?

social distancing social isolation COVID-19
Coronavirus is having a major impact on our social lives.

The lonely brain

When we spend quality time with another person, we experience intrinsic joy. Brain scanning studies show that subcortical brain regions, such as the ventral striatum, which plays an important role in motivation, are activated when receiving monetary and social rewards.

When we feel lonely and rejected, brain regions associated with distress and rumination are activated instead. This may be due to evolution driving us to establish and maintain social connections to ensure survival. Lonely people also have a more negative focus and anxiously scrutinise people’s intentions. Sometimes this can become so strong that it makes us feel even more lonely – creating a vicious cycle.

Not everyone relishes social connection to the same extent though. People with a more extrovert personality type seek more social activities, have access to larger social networks, and report lower perceived loneliness. People who score highly on neuroticism tend to report more perceived social isolation.

Loneliness has for some time been recognised as a significant threat to physical and mental health and has been found to be predictive of mortality.

So how can you best cope with loneliness and isolation? Analysis has suggested that the most successful interventions find ways to address the distorted thinking that loneliness creates. So if you are feeling lonely, try identifying automatic negative thoughts – such as assuming people don’t want to hear from you – and reframing them as hypotheses rather than facts.

Another recent review of literature found that targeting coping strategies can also be beneficial. It discovered that approaches such as joining a support group to remove feelings of loneliness work particularly well. Emotion-based coping strategies, such as lowering expectations about relationships, were not as effective.

Technological solutions

Social media is often vilified in public discourse. But many people who are self-isolating now rely on online social tools. An important aspect missing in instant messaging and social media platforms such as Facebook, Instagram and Twitter, however, is the nonverbal cue – such as a smile, gesture or glance. These allow us to gauge the tone and context of a social encounter. When this information is missing, we perceive fewer friendly cues from others.

So while online tools can be helpful during periods of isolation, embodiment and social presence are nevertheless missing. But there are ways to boost the rewards of online communication. One study used augmented reality to enable two people to interact with each other’s video chat images and found that they reported higher sense of social presence and a more engaging experience. Similarly, participating in shared activities benefits the formation of close relationships with others. So whether it is a virtual pub quiz or a dance party, this may be particularly valuable during lockdown.

Robots designed to engage us on a social level could also help isolated people feel less lonely, as they carry the benefit of embodiment. In a randomised control trial with Paro, a cuddly baby seal robot, residents in a care home who interacted with it reported reduced feelings of loneliness.

Research from our own laboratory seeks to identify how robotic features or behaviours influence our ability to feel socially connected to these machines. For example, a new study highlights that people conversationally engage with a humanoid robot to a similar extent as another person, and more so than with a voice assistant like Alexa or Siri.

New advances in mobile brain imaging technologies, along with the increasing social sophistication of some robots, provide opportunities for examining how people establish and maintain social connections with robots in real time.

While the rise of social robots appears futuristic, they are already moving out of factories and into our homes, supermarkets and hospitals. They even have new social roles in the coronavirus crisis – for example as supermarket assistants, reminding shoppers of new health and safety rules.

Until we all have a sophisticated social robot to keep us company, perhaps the best remedy is to keep in touch with our loved ones online, especially through shared activities. And let’s focus on the fact that close human contact will soon be safe again.

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The views expressed in this article are those of the author alone and not the World Economic Forum.

Related topics:
COVID-19Fourth Industrial RevolutionMental Health
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