User profiles for Martina F. Callaghan

Martina F Callaghan

Imaging Neuroscience / The FIL, UCL
Verified email at ucl.ac.uk
Cited by 4597

Adolescence is associated with genomically patterned consolidation of the hubs of the human brain connectome

…, N Weiskopf, MF Callaghan… - Proceedings of the …, 2016 - National Acad Sciences
How does human brain structure mature during adolescence? We used MRI to measure
cortical thickness and intracortical myelination in 297 population volunteers aged 14–24 y old. …

[HTML][HTML] Widespread age-related differences in the human brain microstructure revealed by quantitative magnetic resonance imaging

MF Callaghan, P Freund, B Draganski, E Anderson… - Neurobiology of …, 2014 - Elsevier
A pressing need exists to disentangle age-related changes from pathologic neurodegeneration.
This study aims to characterize the spatial pattern and age-related differences of …

Locus coeruleus imaging as a biomarker for noradrenergic dysfunction in neurodegenerative diseases

…, D Ivanov, J Acosta-Cabronero, MF Callaghan… - Brain, 2019 - academic.oup.com
Pathological alterations to the locus coeruleus, the major source of noradrenaline in the
brain, are histologically evident in early stages of neurodegenerative diseases. Novel MRI …

[PDF][PDF] The brain basis for misophonia

…, W Sedley, JS Winston, MF Callaghan… - Current Biology, 2017 - cell.com
Misophonia is an affective sound-processing disorder characterized by the experience of
strong negative emotions (anger and anxiety) in response to everyday sounds, such as those …

Advances in MRI-based computational neuroanatomy: from morphometry to in-vivo histology

…, S Mohammadi, A Lutti, MF Callaghan - Current opinion in …, 2015 - journals.lww.com
Non-invasive brain tissue characterization using qMRI or hMRI has significant implications
for both research and clinics. Both approaches improve comparability across sites and time …

[HTML][HTML] hMRI–A toolbox for quantitative MRI in neuroscience and clinical research

…, MF Callaghan, B Draganski, G Helms, F Kherif… - Neuroimage, 2019 - Elsevier
Neuroscience and clinical researchers are increasingly interested in quantitative magnetic
resonance imaging (qMRI) due to its sensitivity to micro-structural properties of brain tissue …

A general linear relaxometry model of R1 using imaging data

MF Callaghan, G Helms, A Lutti… - Magnetic …, 2015 - Wiley Online Library
Purpose The longitudinal relaxation rate (R 1 ) measured in vivo depends on the local
microstructural properties of the tissue, such as macromolecular, iron, and water content. Here, we …

[HTML][HTML] Specific white matter tissue microstructure changes associated with obesity

S Kullmann, MF Callaghan, M Heni, N Weiskopf… - Neuroimage, 2016 - Elsevier
… Author links open overlay panel Stephanie Kullmann a b c , Martina F. Callaghan d , Martin
Heni a b e , Nikolaus Weiskopf d f , Klaus Scheffler g h , Hans-Ulrich Häring a b e , Andreas …

[HTML][HTML] Whole-Brain In-vivo Measurements of the Axonal G-Ratio in a Group of 37 Healthy Volunteers

…, MI Sereno, M Reisert, MF Callaghan… - Frontiers in …, 2015 - frontiersin.org
The g-ratio, quantifying the ratio between the inner and outer diameters of a fiber, is an important
microstructural characteristic of fiber pathways and is functionally related to conduction …

Locus coeruleus integrity in old age is selectively related to memories linked with salient negative events

D Hämmerer, MF Callaghan… - Proceedings of the …, 2018 - National Acad Sciences
The locus coeruleus (LC) is the principal origin of noradrenaline in the brain. LC integrity
varies considerably across healthy older individuals, and is suggested to contribute to altered …