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How do we decide if something is worth the effort? A team of researchers from Oxford University and UCL have been finding out.

Child pushing large wheelbarrow © zatvornik - Shutterstock

Every action we take involves a cost to us in physical energy, yet studies about decision-making have tended to look at how we weight up external costs like risks or time. However, being unwilling to exert effort is a symptom for a range of mental disorders, so understanding how the brain processes decisions about effort versus reward could provide insights into these conditions.

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