ARDC Research Link Australia

ORCID Profile
Orcid icon. 0000-0001-8295-3304

Current Organisations
University of Padua , Azienda Ospedaliera di Padova , Washington University in St. Louis School of Medicine , Universität Wien , Norman J. Stupp Professor or Neurology , J.S. McDonnell Foundation Award in Cognitive Sciences , Padua Neuroscience Center , Washington University School of Medicine

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Publications

Publication

Enhanced phosphorus accumulation efficiency by the pelagic community at reduced phosphorus supply: A lake experiment from bacteria to metazoan zooplankton

Publisher: Wiley

Date: 05-2003

DOI: 10.4319/LO.2003.48.3.1141

Publication

Brain stimulation and brain lesions converge on common causal circuits in neuropsychiatric disease

Publisher: Springer Science and Business Media LLC

Date: 08-07-2021

DOI: 10.1038/S41562-021-01161-1

Publication

Flow-cytometric mapping provides novel insights into the seasonal and vertical distributions of freshwater autotrophic picoplankton

Publisher: Inter-Research Science Center

Date: 2003

DOI: 10.3354/AME033053

Publication

Understanding the institutional challenges and impacts of higher education reforms in Indonesia

Publisher: Informa UK Limited

Date: 09-07-2019

DOI: 10.1080/09540962.2019.1627063

Publication

The future of human behaviour research

Publisher: Springer Science and Business Media LLC

Date: 27-01-2022

DOI: 10.1038/S41562-021-01275-6

Publication

Effective connectivity inferred from fMRI transition dynamics during movie viewing points to a balanced reconfiguration of cortical interactions

Publisher: Elsevier BV

Date: 10-2018

DOI: 10.1016/J.NEUROIMAGE.2017.09.061

Abstract: Our behavior entails a flexible and context-sensitive interplay between brain areas to integrate information according to goal-directed requirements. However, the neural mechanisms governing the entrainment of functionally specialized brain areas remain poorly understood. In particular, the question arises whether observed changes in the regional activity for different cognitive conditions are explained by modifications of the inputs to the brain or its connectivity? We observe that transitions of fMRI activity between areas convey information about the tasks performed by 19 subjects, watching a movie versus a black screen (rest). We use a model-based framework that explains this spatiotemporal functional connectivity pattern by the local variability for 66 cortical regions and the network effective connectivity between them. We find that, among the estimated model parameters, movie viewing affects to a larger extent the local activity, which we interpret as extrinsic changes related to the increased stimulus load. However, detailed changes in the effective connectivity preserve a balance in the propagating activity and select specific pathways such that high-level brain regions integrate visual and auditory information, in particular boosting the communication between the two brain hemispheres. These findings speak to a dynamic coordination underlying the functional integration in the brain.

Publication