Weng · Psychological science 2013 · randomized controlled trial · n=?

Compassion training alters altruism and neural responses to suffering.

Level 2 - randomized trial

Randomized controlled trial evaluating behavioral and neural outcomes of compassion training

PubMed 23696200 · doi:10.1177/0956797612469537 · record verified 2026-08-26

What was done

Healthy adults were assessed to determine whether short-term compassion training increases altruistic behavior and whether individual differences in altruism relate to changes in neural responses to suffering. Altruistic behavior was tested using an economic paradigm measuring the redistribution of funds to a victim outside the training context, combined with functional neuroimaging.

What was found

The abstract provides no numerical data, effect sizes, or p-values. Compassion training increased altruistic redistribution of funds. This increased altruism was associated with altered neural activation in the inferior parietal cortex and dorsolateral prefrontal cortex (DLPFC), as well as altered connectivity between the DLPFC and the nucleus accumbens.

Why it matters

The study suggests altruistic behavior can be cultivated through deliberate training and is accompanied by neuroplastic adaptations in brain networks supporting social cognition, emotional regulation, and reward processing.

Limits

The abstract omits the sample size, training duration, specific control group details, and quantitative effect sizes. Generalizability beyond healthy adults and the long-term persistence of behavioral and neural changes were not reported.