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Social isolation during COVID-19 lockdown impairs cognitive function.

Joanne Ingram1, Christopher J Hand2, Greg Maciejewski1

  • 1School of Education and Social Science University of the West of Scotland Paisley UK.

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Summary
This summary is machine-generated.

Social isolation due to COVID-19 negatively impacted cognitive function in the general population. Cognitive performance improved as social contact opportunities increased, highlighting the importance of social connection.

Keywords:
COVID‐19cognitive declineexecutive functionlockdownsocial isolation

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Area of Science:

  • Psychology
  • Cognitive Neuroscience
  • Public Health

Background:

  • Research on social isolation and cognition often focuses on older adults or specialized groups.
  • The COVID-19 pandemic provided a unique opportunity to study social isolation's effects on a representative general population sample.
  • Understanding the impact on vulnerable groups, such as those shielding or living alone, is crucial.

Purpose of the Study:

  • To investigate the effects of COVID-19-induced social isolation on cognitive functions in a general population sample.
  • To examine how factors like shielding status and living arrangements influenced cognitive performance during isolation.
  • To determine the relationship between the degree of social isolation and cognitive decline.

Main Methods:

  • A cohort of 342 adults (aged 18-72) completed online cognitive tasks over 13 weeks.
  • Tasks assessed attention, memory, decision-making, time-estimation, and learning.
  • Participant mood and social contact levels were recorded, particularly as lockdown restrictions eased.

Main Results:

  • Cognitive performance generally improved as opportunities for social interaction increased.
  • Performance varied significantly based on participants' levels of social isolation.
  • Social isolation was demonstrably linked to cognitive decline, independent of age.

Conclusions:

  • Social isolation significantly impacts cognitive function across a broad age range.
  • The findings underscore the detrimental effects of prolonged restrictive conditions on mental acuity.
  • Public health strategies should consider the cognitive health implications of social isolation during crises.