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Structure-function interplay as signature for brain decoding and fingerprinting [article]

Alessandra Griffa, Enrico Amico, Raphael Liegeois, Dimitri Van De Ville, Maria Giulia Preti
2021 bioRxiv   pre-print
Here, we leveraged brain structure-function coupling as a new imaging-based biomarker to characterize tasks and individuals.  ...  Brain signatures of functional activity have shown promising results in both decoding brain states; i.e., determining whether a subject is at rest or performing a given task, and fingerprinting, that is  ...  Acknowledgments Data were provided by the Human Connectome Project, WU-Minn Consortium (Principal Investigators: David Van Essen and Kamil Ugurbil; 1U54MH091657) funded by the 16 NIH Institutes and Centers  ... 
doi:10.1101/2021.04.19.440314 fatcat:dcikyc5fwbcnxf3j5tqzxcg3oy

Dynamic Changes in Amygdala Psychophysiological Connectivity Reveal Distinct Neural Networks for Facial Expressions of Basic Emotions

Matteo Diano, Marco Tamietto, Alessia Celeghin, Lawrence Weiskrantz, Mona-Karina Tatu, Arianna Bagnis, Sergio Duca, Giuliano Geminiani, Franco Cauda, Tommaso Costa
2017 Scientific Reports  
One of the most popular and successful approaches for examining dynamic and task-related interactions between one region and the rest of the brain is to assess psychophysiological interactions (PPI) 40,41  ...  Although lesion studies and neuropsychological observations remain fundamental for inferring structure-function relations and translating correlational observations to causation, functional neuroimaging  ...  cognitive functions or task contexts.  ... 
doi:10.1038/srep45260 pmid:28345642 pmcid:PMC5366904 fatcat:cnbsrwvrtjgh5a4jg7vcvw4btq

Cortical dynamics revisited

Wolf Singer
2013 Trends in Cognitive Sciences  
The observed dynamics suggest that cortical networks are capable of providing an extremely high-dimensional state space in which a large amount of evolutionary and ontogenetically acquired information  ...  can coexist and be accessible to rapid parallel search.  ...  Thanks go to Andreea Lazar, Viola Priesemann, and Ingo Fischer for providing direct and substantial input to earlier versions of the manuscript, to Michaela Wicke for editorial assistance, to Driss Benzaid  ... 
doi:10.1016/j.tics.2013.09.006 pmid:24139950 fatcat:ovjibumf7vbtnie6brhaxxczxy

Review on EEG-Based Authentication Technology

Shuai Zhang, Lei Sun, Xiuqing Mao, Cuiyun Hu, Peiyuan Liu, Luis Javier Herrera
2021 Computational Intelligence and Neuroscience  
Finally, the existing problems and future development directions of identity authentication technology based on EEG signals are proposed, providing a reference for the related studies.  ...  The safety of brain-computer interface and the long-term insecurity of biometric authentication have a new solution.  ...  individual differences in brain structure and extensive cognitive functions.  ... 
doi:10.1155/2021/5229576 pmid:34976039 pmcid:PMC8720016 fatcat:gjmcu3362rhqzbpbpofkrvfpnu

Decoding Dynamically Shifting States of Parkinson's Disease: Tremor, Bradykinesia, and Effective Motor Control [article]

Peter M Lauro, Shane Lee, Daniel E Amaya, David D Liu, Umer Akbar, Wael F Asaad
2022 bioRxiv   pre-print
We examined neural activity in the basal ganglia and cortex of subjects with PD during a quantitative motor task to decode tremor and bradykinesia - two cardinal motor signs of this disease - and relatively  ...  These results provide a roadmap to leverage real-time neurophysiology to understand and treat PD.  ...  We also thank James Yu, Minkyu Ahn, David Segar, Tina Sankhla, and Daniel Shiebler for helping develop the motor task experiment.  ... 
doi:10.1101/2022.02.12.480213 fatcat:ayxp6suxw5afjiuud4xtycrszm

Structure, function, and connectivity fingerprints of the frontal eye field versus the inferior frontal junction: a comprehensive comparison

Marco Bedini, Daniel Baldauf
2021 European Journal of Neuroscience  
We propose that the analysis of the structural and functional connectivity (i.e., the connectivity fingerprints) of the frontal eye field and inferior frontal junction may be used to further characterize  ...  The analysis of functional and effective connectivity provides evidence of the modulation of the activity in downstream visual areas from the frontal eye field and inferior frontal junction and sheds light  ...  ACKNOWLEDGEMENTS The authors would like to thank Luca Turella for useful comments on an earlier version of this manuscript.  ... 
doi:10.1111/ejn.15393 pmid:34273134 pmcid:PMC9291791 fatcat:2ywyk3m7rfdxne3e6voheh3l6q

Physiological and motion signatures in static and time-varying functional connectivity and their subject identifiability

Alba Xifra-Porxas, Michalis Kassinopoulos, Georgios D Mitsis
2021 eLife  
Several studies have used fMRI-based connectivity fingerprinting to characterize individual patterns of brain activity.  ...  To answer this question, we capitalize on a large data sample from the Human Connectome Project and rigorously investigate the contribution of the aforementioned processes on functional connectivity (FC  ...  a large contribution to individual differences in patterns of inter-regional functional coupling.  ... 
doi:10.7554/elife.62324 pmid:34342582 pmcid:PMC8378847 fatcat:ab4hha3wqvagraurcrvh4jbmm4

Brain structure changes associated with sexual orientation

Mikhail Votinov, Katharina S Goerlich, Andrei A Puiu, Elke Smith, Thomas Nickl-Jockschat, Birgit Derntl, Ute Habel
2021 Scientific Reports  
Furthermore, our findings provide important new insights into the brain morphology underlying sexual orientation and likely have important implications for understanding brain functions and behavior.  ...  Biological sex differences in brain function and structure are reliably associated with several cortico-subcortical brain regions.  ...  Acknowledgements This work was supported by the German Research Foundation (DFG HA 3202/7-3) and the Brain Imaging Facility of the Interdisciplinary Centre for Clinical Research within the Medical Faculty  ... 
doi:10.1038/s41598-021-84496-z pmid:33658542 pmcid:PMC7930173 fatcat:dnceupgmd5gapnvktgss2ck5tm

Brain oscillations and connectivity in autism spectrum disorders (ASD): new approaches to methodology, measurement and modelling

K. Kessler, R.A. Seymour, G. Rippon
2016 Neuroscience and Biobehavioral Reviews  
Highlights  Sensory and perceptual aberrations are becoming a core feature of the ASD symptom prolife.  Brain oscillations and functional connectivity are consistently affected in ASD.  Relationships  ...  Based on the application of new techniques using more sophisticated measures of brain synchronisation, direction of information flow, and invoking the coupling between high and low frequency bands, we  ...  Acknowledgments Robert Seymour was sponsored by a Cotutelle PhD Scholarship awarded by Aston University and Macquarie University.  ... 
doi:10.1016/j.neubiorev.2016.10.002 pmid:27720724 fatcat:6ctokjpvpjazvene7gsyr4ajq4

You say 'prefrontal cortex' and I say 'anterior cingulate': meta-analysis of spatial overlap in amygdala-to-prefrontal connectivity and internalizing symptomology

H A Marusak, M E Thomason, C Peters, C Zundel, F Elrahal, C A Rabinak
2016 Translational Psychiatry  
tasks, and distribution of tasks spanning various behavioral domains within peak regions, also known as 'functional fingerprints'.  ...  Based on functional characterizations and the studies contributing to each peak, observed amygdala-ACC subcircuits may reflect separate transdiagnostic neural signatures.  ...  the manuscript for publication.  ... 
doi:10.1038/tp.2016.218 pmid:27824358 pmcid:PMC5314129 fatcat:2cqakmyoc5dn5gao2pjfjagldu

Scientific intuitions about the mind are wrong, misled by consciousness

Leonid Perlovsky
2016 Behavioral and Brain Sciences  
For this reason, intuitions of psychologists, cognitive scientists, and mathematicians modeling the mind are biased toward logic.  ...  The mind is not logical, but only logical states and processes in the mind are accessible to subjective consciousness.  ...  The functional fingerprint for that brain area is a polar plot in which vertices represent different task domains.  ... 
doi:10.1017/s0140525x15001624 pmid:27562356 fatcat:4dpatuvkafgo5prtex2hf6cz2i

Magnetoencephalography as a Tool in Psychiatric Research: Current Status and Perspective

Peter J. Uhlhaas, Peter Liddle, David E.J. Linden, Anna C. Nobre, Krish D. Singh, Joachim Gross
2017 Biological Psychiatry: Cognitive Neuroscience and Neuroimaging  
Because of its potential in delineating normal and abnormal brain dynamics, we propose that MEG provides a crucial tool to advance our understanding of pathophysiological mechanisms of major neuropsychiatric  ...  The application of neuroimaging to provide mechanistic insights into circuit dysfunctions in major psychiatric conditions and the development of biomarkers are core challenges in current psychiatric research  ...  of data analysis, limited resolution for deeper brain structures, and high maintenance costs.  ... 
doi:10.1016/j.bpsc.2017.01.005 pmid:28424797 pmcid:PMC5387180 fatcat:5qachfklvbbuppsiwxrhbeouuy

Educational fMRI: From the Lab to the Classroom

Mohamed L. Seghier, Mohamed A. Fahim, Claudine Habak
2019 Frontiers in Psychology  
and instructional intervention with longitudinal designs, (6) providing system-level mechanistic explanations of brain function, so that useful individualized predictions about learning can be generated  ...  Functional MRI (fMRI) findings hold many potential applications for education, and yet, the translation of fMRI findings to education has not flowed.  ...  Variability in brain function may result from complex genetic-by-environment interactions, and thus, may contain signatures of individual differences in abilities.  ... 
doi:10.3389/fpsyg.2019.02769 pmid:31866920 pmcid:PMC6909003 fatcat:iq4by2c2trhevcvks2jfxbx2jm

Brain oscillations and connectivity in autism spectrum disorders (ASD): new approaches to methodology, measurement and modelling [article]

Klaus Kessler, Robert Al Seymour, Gina Rippon
2016 bioRxiv   pre-print
Based on the application of new techniques using more sophisticated measures of brain synchronisation, direction of information flow, and invoking the coupling between high and low frequency bands, we  ...  Early neurocognitive models of ASD suggested that the study of high frequency activity in the brain as a measure of cortical connectivity might provide the key to understanding the neural correlates of  ...  These early studies provide some support for the suggestion that 591 anomalous ASD perception would be associated with atypical task-related gamma activity, processing in ASD has been provided in Table  ... 
doi:10.1101/077263 fatcat:xhzxpo6pyrd2zg6chkoaa4llxq

Cross-species neuroscience: closing the explanatory gap

Helen C. Barron, Rogier B. Mars, David Dupret, Jason P. Lerch, Cassandra Sampaio-Baptista
2020 Philosophical Transactions of the Royal Society of London. Biological Sciences  
Neuroscience has seen substantial development in non-invasive methods available for investigating the living human brain.  ...  This article is part of the theme issue 'Key relationships between non-invasive functional neuroimaging and the underlying neuronal activity'.  ...  Peter Brown for comments on a previous version of the manuscript.  ... 
doi:10.1098/rstb.2019.0633 pmid:33190601 pmcid:PMC7116399 fatcat:ed67np4auvcqpjqorgxawazlcy
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