Journal
NEUROPSYCHOLOGY
Volume 19, Issue 5, Pages 591-602Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/0894-4105.19.5.591
Keywords
causality; split brain; callosotomy; cerebral asymmetry
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Funding
- NIMH NIH HHS [R01 MH059825] Funding Source: Medline
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An understanding of relations between causes and effects is essential for making sense of the dynamic physical world. It has been argued that this understanding of causality depends on both perceptual and inferential components. To investigate whether causal perception and causal inference rely on common or on distinct processes, the authors tested 2 callosotomy (split-brain) patients and a group of neurologically intact participants. The authors show that the direct perception of causality and the ability to infer causality depend on different hemispheres of the divided brain. This finding implies that understanding causality is not a unitary process and that causal perception and causal inference can proceed independently.
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