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Interpreting BOLD: towards a dialogue between cognitive and cellular neuroscience
journal contribution
posted on 2023-06-09, 02:15 authored by Catherine HallCatherine Hall, Clare Howarth, Zebulun Kurth-Nelson, Anusha MishraCognitive neuroscience depends on the use of blood oxygenation level-dependent (BOLD) functional magnetic resonance imaging (fMRI) to probe brain function. Although commonly used as a surrogate measure of neuronal activity, BOLD signals actually reflect changes in brain blood oxygenation. Understanding the mechanisms linking neuronal activity to vascular perfusion is, therefore, critical in interpreting BOLD. Advances in cellular neuroscience demonstrating differences in this neurovascular relationship in different brain regions, conditions or pathologies are often not accounted for when interpreting BOLD. Meanwhile, within cognitive neuroscience, increasing use of high magnetic field strengths and the development of model-based tasks and analyses have broadened the capability of BOLD signals to inform us about the underlying neuronal activity, but these methods are less well understood by cellular neuroscientists. In 2016, a Royal Society Theo Murphy Meeting brought scientists from the two communities together to discuss these issues. Here we consolidate the main conclusions arising from that meeting. We discuss areas of consensus about what BOLD fMRI can tell us about underlying neuronal activity, and how advanced modelling techniques have improved our ability to use and interpret BOLD. We also highlight areas of controversy in understanding BOLD and suggest research directions required to resolve these issues.
History
Publication status
- Published
File Version
- Accepted version
Journal
Philosophical Transactions B: Biological SciencesISSN
0962-8436Publisher
Royal SocietyExternal DOI
Issue
1705Volume
371Page range
20150348Department affiliated with
- Psychology Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2016-07-27First Open Access (FOA) Date
2017-08-29First Compliant Deposit (FCD) Date
2016-07-26Usage metrics
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