User profiles for K. Friston
Karl FristonUniversity College London Verified email at ucl.ac.uk Cited by 345272 |
Analysis of fMRI time-series revisited
… box-car reference vector convolved with K, and K is chosen to emulate the dispersion …
However, it should be remembered that the effect in K - X, modeled by every column of G, is …
However, it should be remembered that the effect in K - X, modeled by every column of G, is …
Statistical parametric maps in functional imaging: a general linear approach
KJ Friston, AP Holmes, KJ Worsley… - Human brain …, 1994 - Wiley Online Library
… The probability of getting one or more regions of say size k or more in a given SPM{Z) … (n
> k)] is the same as the probability that the largest region consists of k or more voxels [P(n,,, > k)]…
> k)] is the same as the probability that the largest region consists of k or more voxels [P(n,,, > k)]…
Life as we know it
K Friston - Journal of the Royal Society Interface, 2013 - royalsocietypublishing.org
This paper presents a heuristic proof (and simulations of a primordial soup) suggesting that
life—or biological self-organization—is an inevitable and emergent property of any (ergodic) …
life—or biological self-organization—is an inevitable and emergent property of any (ergodic) …
The free-energy principle: a unified brain theory?
K Friston - Nature reviews neuroscience, 2010 - nature.com
A free-energy principle has been proposed recently that accounts for action, perception and
learning. This Review looks at some key brain theories in the biological (for example, neural …
learning. This Review looks at some key brain theories in the biological (for example, neural …
A unified statistical approach for determining significant signals in images of cerebral activation
We present a unified statistical theory for assessing the significance of apparent signal
observed in noisy difference images. The results are usable in a wide range of applications, …
observed in noisy difference images. The results are usable in a wide range of applications, …
The free-energy principle: a rough guide to the brain?
K Friston - Trends in cognitive sciences, 2009 - cell.com
This article reviews a free-energy formulation that advances Helmholtz's agenda to find
principles of brain function based on conservation laws and neuronal energy. It rests on …
principles of brain function based on conservation laws and neuronal energy. It rests on …
[HTML][HTML] The history of the future of the Bayesian brain
K Friston - NeuroImage, 2012 - Elsevier
The slight perversion of the original title of this piece (The Future of the Bayesian Brain) reflects
my attempt to write prospectively about ‘Science and Stories’ over the past 20years. I will …
my attempt to write prospectively about ‘Science and Stories’ over the past 20years. I will …
Functional and effective connectivity: a review
KJ Friston - Brain connectivity, 2011 - liebertpub.com
… from its original formulation in Friston et al. (1993) and an early synthesis in Friston (1995). …
The first half of this section is based on Friston and Dolan (2010), to which readers are …
The first half of this section is based on Friston and Dolan (2010), to which readers are …
Free-energy and the brain
KJ Friston, KE Stephan - Synthese, 2007 - Springer
If one formulates Helmholtz’s ideas about perception in terms of modern-day theories one
arrives at a model of perceptual inference and learning that can explain a remarkable range of …
arrives at a model of perceptual inference and learning that can explain a remarkable range of …
A free energy principle for the brain
By formulating Helmholtz’s ideas about perception, in terms of modern-day theories, one
arrives at a model of perceptual inference and learning that can explain a remarkable range of …
arrives at a model of perceptual inference and learning that can explain a remarkable range of …