Karl Friston Google Scholar: h-index, Total Citations, and Citation Map
Karl Friston's h-index is 299 (1302 i10-index, 417,464+ total citations across 1,026+ publications) according to Google Scholar as of October 2026. Karl Friston is affiliated with University College London.
Karl Friston is a researcher affiliated with University College London, specializing in Neuroscience. Their work has been cited 417,464 times. This profile visualizes their global influence, highlighting strong citation networks in United States.
Karl Friston's Citation Metrics
Bibliometric impact based on 1,026 indexed publications. Of these, 19 are original research articles — the rest are literature highlights, conference abstracts or theses.
- H-Index
- 299
- i10-Index
- 1302
- Total Citations
- 417,464
- Citing Countries
- 75
As of October 2026.
Karl Friston has an h-index of 299 and 417,464 total citations across 1026 publications, with research cited by institutions in 75 countries.
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Global Impact Map
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The free-energy principle: a unified brain theory?
201014,441
Top Citing Countries
Top Citing Institutions
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Significant Contributions
Auto-detected research lines — a seminal paper and the follow-up work building on it. Review and edit before using in a petition. Each Free PDF opens in a new tab — EB-1A organises this into the structure USCIS applies to Criterion 5 of 8 CFR § 204.5(h)(3)(v); EB-1B re-frames it under § 204.5(i)(3) (outstanding researcher); NIW presents it under prong 2 of Matter of Dhanasar.
321 citing papers could not be classified (no author data) — excluded from the percentages above.
The researcher established a general linear framework for statistical parametric mapping in functional brain imaging, creating a foundational methodology widely adopted for analyzing functional brain images.
The researcher established foundational methodologies for voxel-based morphometry and unified segmentation, creating standard analytical frameworks that have been widely adopted across the neuroimaging community.
The researcher established a foundational voxel-based morphometric framework for quantifying age-related brain changes in large normal adult cohorts, creating a widely adopted standard for neuroimaging studies.
Citation trend (last 10 years)Click to expand
Citation Trend (Last 10 Years)
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About Karl Friston's research
Karl Friston is a researcher in Neuroscience at University College London. Their work has been cited 417,464 times across 1,026 publications (h-index 299), according to Google Scholar.
Their most-cited work, “The free-energy principle: a unified brain theory?” (2010), has accumulated 14,441 citations. Other influential works include “Statistical parametric maps in functional imaging: a general linear approach” (1994) with 12,092 citations and “Voxel-based morphometry—the methods” (2000) with 11,440 citations.
Citations of Karl Friston's research come primarily from United States, China and United Kingdom, reflecting international research impact across 5+ countries. The interactive citation map above shows the full geographic distribution of the institutions citing this work.
