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Two psychological factors that may contribute to this problem are scope insensitivity, where concern fails to increase proportionally with the number of lives at risk, and home country bias. We studied these factors with functional magnetic resonance imaging (fMRI) and behavioural measurement. Twenty-five participants completed scanning while viewing \u2018headlines\u2019: summaries describing a specified number (from one to tens of thousands) of lives that were at risk in either their home country or abroad, followed by information confirming their survival or death. Control trials presented analogous real financial risks. Whereas neural responses to financial risk scaled positively with risk magnitude, responses to life risk declined with larger numbers of lives at home and followed an \u2018inverted-U\u2019 in response to lives abroad: low for single lives abroad, higher for moderate numbers, but also low for the greatest numbers. Deaths only evoked stronger responses than survival for home country victims, in neural regions previously associated with emotion derived from harm coming to other people. Independent willingness to pay ratings also demonstrated both biases. This study provides neural characterizations of scope insensitivity and home country bias when learning about lives at risk.<\/jats:p>","DOI":"10.1093\/scan\/nsag049","type":"journal-article","created":{"date-parts":[[2026,7,6]],"date-time":"2026-07-06T11:23:54Z","timestamp":1783337034000},"source":"Crossref","is-referenced-by-count":0,"title":["Diminished neural responses for greater numbers of lives at risk and lives lost in foreign countries"],"prefix":"10.1093","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8916-265X","authenticated-orcid":false,"given":"Daniel","family":"Campbell-Meiklejohn","sequence":"first","affiliation":[{"name":"University of Sussex School of Psychology, , Brighton, East Sussex, BN1 9QH,","place":["United Kingdom"]},{"name":"The University of Sussex Sussex Neuroscience, , Brighton, BN1 9RH,","place":["United Kingdom"]},{"name":"University of Sussex Sussex Centre for Research on Kindness, , Brighton, East Sussex, BN1 9RH,","place":["United 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