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Michael O'Sullivan

Researcher at University of Auckland

Publications -  472
Citations -  17091

Michael O'Sullivan is an academic researcher from University of Auckland. The author has contributed to research in topics: Geothermal gradient & Medicine. The author has an hindex of 50, co-authored 419 publications receiving 12670 citations. Previous affiliations of Michael O'Sullivan include St George's, University of London & Trinity College, Dublin.

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Global Carbon Budget 2020

Pierre Friedlingstein, +95 more
TL;DR: In this paper, the authors describe and synthesize data sets and methodology to quantify the five major components of the global carbon budget and their uncertainties, including emissions from land use and land-use change data and bookkeeping models.
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Global Carbon Budget 2019

Pierre Friedlingstein, +88 more
TL;DR: In this article, the authors describe data sets and methodology to quantify the five major components of the global carbon budget and their uncertainties, including emissions from land use and land use change, and show that the difference between the estimated total emissions and the estimated changes in the atmosphere, ocean, and terrestrial biosphere is a measure of imperfect data and understanding of the contemporary carbon cycle.
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Evidence for cortical “disconnection” as a mechanism of age-related cognitive decline

TL;DR: Findings provide direct evidence that white matter tract disruption occurs in normal aging and would be consistent with the cortical disconnection hypothesis of age-related cognitive decline and provide a plausible structural basis for selective loss of executive functions.
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Pupil diameter covaries with BOLD activity in human locus coeruleus.

TL;DR: The potential for utilizing pupil diameter to achieve a more comprehensive understanding of the role of the LC–NA system in human cognition is highlighted, with the first demonstration in humans of a fundamental characteristic of animal LC activity: phasic modulation by oddball stimulus relevance.
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Markers of endothelial dysfunction in lacunar infarction and ischaemic leukoaraiosis

TL;DR: It is suggested that there is evidence of chronic endothelial dysfunction in cerebral SVD, and endothelial prothrombotic changes may be important in mediating the ischaemic leukoaraiosis phenotype.