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Overlapping and distinct representations of advantageous and disadvantageous inequality
Human brain mapping, 2014-07, Vol.35 (7), p.3290-3301
Yu, Rongjun
Calder, Andrew J.
Mobbs, Dean
2014
Details
Autor(en) / Beteiligte
Yu, Rongjun
Calder, Andrew J.
Mobbs, Dean
Titel
Overlapping and distinct representations of advantageous and disadvantageous inequality
Ist Teil von
Human brain mapping, 2014-07, Vol.35 (7), p.3290-3301
Ort / Verlag
New York, NY: Blackwell Publishing Ltd
Erscheinungsjahr
2014
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
Advantageous inequality (AI) aversion, or paying at a personal cost to achieve equal reward distribution, represents a unique feature of human behavior. Here, we show that individuals have strong preferences for fairness in both disadvantageous (DI) and advantageous inequality (AI) situations, such that they alter others' payoff at a personal financial cost. At the neural level, we found that both types of inequality activated the putamen, orbitofrontal cortex, and insula, regions implicated in motivation. Individual difference analyses found that those who spent more money to increase others' payoff had stronger activity in putamen when they encountered AI and less functional connectivity between putamen and both orbitofrontal cortex and anterior insula. Conversely, those who spent more money to reduce others' payoff had stronger activity in amygdala in response to DI and less functional connectivity between amygdala and ventral anterior cingulate cortex. These dissociations suggest that both types of inequality are processed by similar brain areas, yet modulated by different neural pathways. Hum Brain Mapp 35:3290–3301, 2014. © 2013 Wiley Periodicals, Inc.
Sprache
Englisch
Identifikatoren
ISSN: 1065-9471
eISSN: 1097-0193
DOI: 10.1002/hbm.22402
Titel-ID: cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_4216415
Format
–
Schlagworte
Adult
,
amygdala
,
Analysis of Variance
,
Biological and medical sciences
,
Brain - blood supply
,
Brain - physiology
,
Brain Mapping
,
Feedback, Psychological - physiology
,
Female
,
fMRI
,
Humans
,
Image Processing, Computer-Assisted
,
inequality aversion
,
insula
,
Interpersonal Relations
,
Investigative techniques, diagnostic techniques (general aspects)
,
Magnetic Resonance Imaging
,
Male
,
Medical sciences
,
Nervous system
,
Oxygen - blood
,
Photic Stimulation
,
Psychophysics
,
Punishment
,
Radiodiagnosis. Nmr imagery. Nmr spectrometry
,
Reward
,
striatum
,
Surveys and Questionnaires
,
Young Adult
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