Carotid Baroreceptor Stimulation by Neck Suction during FMRI Investigation: Methodological Issues
Calcagnini, Giovanni ; Mattei, Eugenio ; Bozzali, Marco ; Triventi, Michele ; Mancini, Matteo ; Censi, Federica ; Barbieri, Riccardo
Brain physiology and modeling
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Brain functional imaging – fMRI
Non-invasive stimulation of carotid baroreceptor using neck suction has been used to investigate the autonomic nervous system. fMRI allows…
Causal Brain Correlates of Autonomic Nervous System Outflow
Duggento, Andrea ; Bianciardi, Marta ; Wald, Lawrence L. ; Passamonti, Luca ; Guerrisi, Maria ; Barbieri, Riccardo ; Toschi, Nicola
Brain functional imaging – fMRI
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Brain functional imaging – Connectivity and information flow
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Brain physiology and modeling
We use 7T fMRI with simultaneous physiological signals acquisitions to investigate the causal interactions between resting state brain activity…
Characterization of Fear Conditioning and Fear Extinction by Analysis of Electrodermal Activity
Faghih, Rose T. ; Stokes, Patrick ; Marin, Marie-France ; Zsido, Rachel ; Zorowitz, Sam ; Rosenbaum, Blake ; Song, Huijin ; Milad, Mohammed ; Dougherty, Darin ; Eskandar, Emad ; Widge, Alik ; Brown, Emery N ; Barbieri, Riccardo
Brain physiology and modeling – Cognition, memory, perception
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Neurological disorders – Psychiatric disorders
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Human performance – Cognition
Electrodermal activity (EDA) is a measure of physical arousal, which is frequently measured during psychophysical tasks relevant for anxiety…
Combining Sudomotor Nerve Impulse Estimation with FMRI to Investigate the Central Sympathetic Response to Nausea
Sclocco, Roberta ; Citi, Luca ; Garcia, Ronald ; Cerutti, Sergio ; Bianchi, Anna Maria ; Kuo, Braden ; Napadow, Vitaly ; Barbieri, Riccardo
Brain physiology and modeling
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Brain functional imaging – fMRI
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Brain functional imaging – Spatial-temporal dynamics
The skin conductance (SC) signal is one of the most important non-invasive indirect measures of autonomic outflow. Several mathematical…
EEG-Based Index for Engagement Level Monitoring during Sustained Attention
Coelli, Stefania ; Sclocco, Roberta ; Barbieri, Riccardo ; Reni, Gianluigi ; Zucca, Claudio ; Bianchi, Anna Maria
Signal processing in physiological systems
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Nonstationary processing of biomedical signals
This paper investigates the relation between mental engagement level and sustained attention in 9 healthy adults performing a Conners’…
Estimating a Dynamic State to Relate Neural Spiking Activity to Behavioral Signals during Cognitive Tasks
Deng, Xinyi ; Faghih, Rose T. ; Barbieri, Riccardo ; Paulk, Angelique C ; Asaad, Wael F. ; Brown, Emery N ; Dougherty, Darin ; Widge, Alik ; Eskandar, Emad ; Eden, Uri
Brain physiology and modeling – Neural dynamics and computation
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Human performance – Cognition
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Rehabilitation – Cognition
An important question in neuroscience is understanding the relationship between high-dimensional electrophysiological data and complex, dynamic…
Globally Conditioned Causality in Estimating Directed Brain-Heart Interactions through Joint MRI and RR Series Analysis
Duggento, Andrea ; Bianciardi, Marta ; Wald, Lawrence L. ; Passamonti, Luca ; Guerrisi, Maria ; Barbieri, Riccardo ; Toschi, Nicola
Causality
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Multivariate signal processing
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Signal processing in physiological systems
We used 7T fMRI with simultaneous physiological signals acquisitions to investigate the causal interactions from resting state brain activity to…
Instantaneous Transfer Entropy for the Study of Cardio-Respiratory Dynamics
Valenza, Gaetano ; Faes, Luca ; Citi, Luca ; Orini, Michele ; Barbieri, Riccardo
Nonlinear dynamics in biomedical signals
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Multivariate signal processing
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Nonlinear coupling of biomedical signals
Measures of transfer entropy have been proposed to quantify the directional coupling and strength between two complex physiological…
Investigating Autonomic Correlates of Continuous Pain in the Brainstem through High-Field FMRI
Sclocco, Roberta ; Beissner, Florian ; Polimeni, Jonathan ; Desbordes, Gaelle ; Wald, Lawrence L. ; Cerutti, Sergio ; Bianchi, Anna Maria ; Barbieri, Riccardo ; Napadow, Vitaly
Brain functional imaging – fMRI
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Brain physiology and modeling
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Brain functional imaging – Spatial-temporal dynamics
The brainstem is a fundamental brain structure that includes afferent and efferent pathways and regulatory nuclei. However, it is still poorly…
Neuroimaging Nausea to Better Understand Central Autonomic Network Physiology – A Multi-Modal Approach
Napadow, Vitaly ; Sclocco, Roberta ; Kim, Jieun ; Kuo, Braden ; Barbieri, Riccardo
Human performance – Vestibular functions
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Brain functional imaging – fMRI
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Brain functional imaging – Connectivity and information flow
Nausea is an aversive sensation and a symptom of many gastrointestinal and non-gastrointestinal disorders. Nausea is associated with robust…
Point-Process High-Resolution Representations of Heartbeat Dynamics for Multiscale Analysis: A CHF Survivor Prediction Study
Valenza, Gaetano ; Wendt, Herwig ; Kiyono, Ken ; Hayano, Junichiro ; Watanabe, Eiichi ; Yamamoto, Yoshiharu ; Abry, Patrice ; Barbieri, Riccardo
Time-scale and wavelets
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Nonlinear dynamics in biomedical signals
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Signal processing in physiological systems
Multiscale analysis of human heartbeat dynamics has been proved effective in characterizeing cardiovascular control physiology in health and…
Revealing Brain Correlates of Autonomic Modulation by Combining Point Process Models of Heartbeat Dynamics with FMRI
Barbieri, Riccardo ; Sclocco, Roberta ; Napadow, Vitaly
Brain physiology and modeling
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Brain functional imaging – fMRI
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Brain functional imaging – Spatial-temporal dynamics
Autonomic nervous system (ANS) responses to internal and external stimuli have been investigated by multiple studies. However, the brain…
Uncovering Statistical Features of Bradycardia Severity in Premature Infants using a Point Process Model
Gee, Alan ; Barbieri, Riccardo ; Paydarfar, David ; Indic, Premananda
Signal processing in physiological systems
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Biomedical signal classification
Premature infants are susceptible to a variety of life-threatening events. Underdeveloped cardiovascular control due to an immature…
