A. Eke, . Herman, L. Kocsis, and . Kozak, Fractal characterization of complexity in temporal physiological signals, Physiological Measurement, vol.23, issue.1, p.1, 2002.
DOI : 10.1088/0967-3334/23/1/201

E. Bullmore, J. Fadili, V. Maxim, S. Levent, B. Endur et al., Wavelets and functional magnetic resonance imaging of the human brain, NeuroImage, vol.23, pp.234-249, 2004.
DOI : 10.1016/j.neuroimage.2004.07.012
URL : https://hal.archives-ouvertes.fr/hal-01128152

V. Maxim, L. Sendur, J. Fadili, J. Suckling, R. Gould et al., Fractional Gaussian noise, functional MRI and Alzheimer's disease, NeuroImage, vol.25, issue.1, pp.141-158, 2005.
DOI : 10.1016/j.neuroimage.2004.10.044

B. J. He, J. M. Zempel, A. Z. Snyder, and M. E. Raichle, The Temporal Structures and Functional Significance of Scale-free Brain Activity, Neuron, vol.66, issue.3, pp.353-369, 2010.
DOI : 10.1016/j.neuron.2010.04.020

B. J. He, Scale-Free Properties of the Functional Magnetic Resonance Imaging Signal during Rest and Task, Journal of Neuroscience, vol.31, issue.39, pp.13786-13795, 2011.
DOI : 10.1523/JNEUROSCI.2111-11.2011

D. Van-de-ville, J. Britz, and C. Michel, EEG microstate sequences in healthy humans at rest reveal scale-free dynamics, Proc. Nat. Acad. Sci. (PNAS), pp.18179-84, 2010.
DOI : 10.1103/PhysRevLett.61.2281

N. Dehghani, C. Bedard, S. S. Cash, E. Halgren, and A. Destexhe, Comparative power spectral analysis of simultaneous elecroencephalographic and magnetoencephalographic recordings in humans suggests non-resistive extracellular media, Journal of Computational Neuroscience, vol.2, issue.3, pp.405-421, 2010.
DOI : 10.1002/wics.51
URL : https://hal.archives-ouvertes.fr/hal-00520481

P. Ciuciu, P. Abry, C. Rabrait, and H. Wendt, Log Wavelet Leaders Cumulant Based Multifractal Analysis of EVI fMRI Time Series: Evidence of Scaling in Ongoing and Evoked Brain Activity, IEEE Journal of Selected Topics in Signal Processing, vol.2, issue.6, pp.929-943, 2008.
DOI : 10.1109/JSTSP.2008.2006663

P. Ciuciu, G. Varoquaux, P. Abry, S. Sadaghiani, and A. Kleinschmidt, Scale-free and multifractal time dynamics of fMRI signals during rest and task, Frontiers in Physiology, vol.3, 2012.
DOI : 10.3389/fphys.2012.00186
URL : https://hal.archives-ouvertes.fr/hal-00852175

P. Ciuciu, P. Abry, and B. J. He, Interplay between functional connectivity and scale-free dynamics in intrinsic fMRI networks, NeuroImage, vol.95, pp.248-263, 2014.
DOI : 10.1016/j.neuroimage.2014.03.047
URL : https://hal.archives-ouvertes.fr/hal-01084242

N. Zilber, P. Ciuciu, P. Abry, and V. Van-wassenhove, Modulation of scale-free properties of brain activity in MEG, 2012 9th IEEE International Symposium on Biomedical Imaging (ISBI), pp.1531-1534, 2012.
DOI : 10.1109/ISBI.2012.6235864
URL : https://hal.archives-ouvertes.fr/cea-00699905

K. Gadhoumi, J. Gotman, and J. Lina, Scale Invariance Properties of Intracerebral EEG Improve Seizure Prediction in Mesial Temporal Lobe Epilepsy, PLOS ONE, vol.95, issue.Suppl 12, 2015.
DOI : 10.1371/journal.pone.0121182.s003

B. J. He, Scale-free brain activity: past, present, and future, Trends in Cognitive Sciences, vol.18, issue.9, pp.480-487, 2014.
DOI : 10.1016/j.tics.2014.04.003

R. Becker, D. Van-de-ville, and A. Kleinschmidt, Alpha Oscillations Reduce Temporal Long-Range Dependence in Spontaneous Human Brain Activity, The Journal of Neuroscience, vol.38, issue.3, 2017.
DOI : 10.1523/JNEUROSCI.0831-17.2017

D. Veitch and P. Abry, A wavelet-based joint estimator of the parameters of long-range dependence, IEEE Transactions on Information Theory, vol.45, issue.3, pp.878-897, 1999.
DOI : 10.1109/18.761330

H. Wendt, P. Abry, and S. Jaffard, Bootstrap for Empirical Multifractal Analysis, IEEE Signal Processing Magazine, vol.24, issue.4, pp.38-48, 2007.
DOI : 10.1109/MSP.2007.4286563

H. Pellé, P. Ciuciu, M. Rahim, E. Dohmatob, P. Abry et al., Multivariate hurst exponent estimation in FMRI. Application to brain decoding of perceptual learning, 2016 IEEE 13th International Symposium on Biomedical Imaging (ISBI), pp.996-1000, 2016.
DOI : 10.1109/ISBI.2016.7493433

S. Combrexelle, H. Wendt, N. Dobigeon, J. Tourneret, S. Mclaughlin et al., Bayesian Estimation of the Multifractality Parameter for Image Texture Using a Whittle Approximation, IEEE Transactions on Image Processing, vol.24, issue.8, pp.2540-2551, 2015.
DOI : 10.1109/TIP.2015.2426021
URL : https://hal.archives-ouvertes.fr/hal-01187463

S. Combrexelle, H. Wendt, Y. Altmann, J. Tourneret, S. Mclaughlin et al., Bayesian estimation for the local assessment of the multifractality parameter of multivariate time series, 2016 24th European Signal Processing Conference (EUSIPCO), 2016.
DOI : 10.1109/EUSIPCO.2016.7760502

N. Cressie, Statistics for spatial data, 2015.
DOI : 10.1002/9781119115151

A. M. Owen, K. M. Mcmillan, A. R. Laird, and E. Bullmore, N-back working memory paradigm: A meta-analysis of normative functional neuroimaging studies, Human Brain Mapping, vol.15, issue.1, pp.46-59, 2005.
DOI : 10.1176/jnp.6.4.348

P. Ciuciu, H. Wendt, S. Combrexelle, and P. Abry, Spatially regularized multifractal analysis for fMRI data, 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2017.
DOI : 10.1109/EMBC.2017.8037677
URL : https://hal.archives-ouvertes.fr/hal-01574216