[HTML][HTML] Quantitative rodent brain receptor imaging

…, L Kuebler, S Marciano, M Amend… - Molecular Imaging and …, 2020 - Springer
Positron emission tomography (PET) is a non-invasive imaging technology employed to
describe metabolic, physiological, and biochemical processes in vivo. These include receptor …

Enhanced central neural gain compensates acoustic trauma-induced cochlear impairment, but unlikely correlates with tinnitus and hyperacusis

D Möhrle, B Hofmeier, M Amend, S Wolpert, K Ni… - Neuroscience, 2019 - Elsevier
For successful future therapeutic strategies for tinnitus and hyperacusis, a subcategorization
of both conditions on the basis of differentiated neural correlates would be of invaluable …

[HTML][HTML] Elucidating the complementarity of resting-state networks derived from dynamic [18F] FDG and hemodynamic fluctuations using simultaneous small-animal …

TM Ionescu, M Amend, R Hafiz, BB Biswal, HF Wehrl… - Neuroimage, 2021 - Elsevier
Functional connectivity (FC) and resting-state network (RSN) analyses using functional
magnetic resonance imaging (fMRI) have evolved into a growing field of research and have …

Functional resting-state brain connectivity is accompanied by dynamic correlations of application-dependent [18F] FDG PET-tracer fluctuations

M Amend, TM Ionescu, X Di, BJ Pichler, BB Biswal… - Neuroimage, 2019 - Elsevier
… Author links open overlay panel Mario Amend a , Tudor M. Ionescu a , Xin Di b , Bernd J.
Pichler a , Bharat B. … This study is also part of the PhD thesis of Mario Amend. …

[HTML][HTML] Striatal and prefrontal D2R and SERT distributions contrastingly correlate with default-mode connectivity

TM Ionescu, M Amend, R Hafiz, BB Biswal, A Maurer… - Neuroimage, 2021 - Elsevier
Although brain research has taken important strides in recent decades, the interaction and
coupling of its different physiological levels is still not elucidated. Specifically, the molecular …

Neurovascular uncoupling: multimodal imaging delineates the acute effects of 3, 4-Methylenedioxymethamphetamine

TM Ionescu, M Amend, T Watabe… - Journal of Nuclear …, 2023 - Soc Nuclear Med
Psychedelic compounds such as 3,4-methylenedioxymethamphetamine (MDMA) have
attracted increasing interest in recent years because of their therapeutic potential in psychiatric …

Interregional causal influences of brain metabolic activity reveal the spread of aging effects during normal aging

X Di, M Wölfer, M Amend, H Wehrl… - Human brain …, 2019 - Wiley Online Library
During healthy brain aging, different brain regions show anatomical or functional declines at
different rates, and some regions may show compensatory increases in functional activity. …

[HTML][HTML] Gender differences in cerebral metabolism for color processing in mice: A PET/MRI Study

PC Njemanze, M Kranz, M Amend, J Hauser, H Wehrl… - Plos one, 2017 - journals.plos.org
Introduction Color processing is a central component of mammalian vision. Gender-related
differences of color processing revealed by non-invasive functional transcranial Doppler …

Multimodal imaging and image fusion

HF Wehrl, M Amend, A Thielcke - Small Animal Imaging: Basics and …, 2017 - Springer
In multimodal imaging diverse imaging techniques are applied to the same subject usually
within a limited time frame in order to capture the same functional, morphologic, and …

Mapping Serotonergic Dynamics using Drug-Modulated Molecular Connectivity

TM Ionescu, M Amend, R Hafiz, A Maurer, BB Biswal… - bioRxiv, 2024 - biorxiv.org
Brain imaging plays a critical role in unraveling the complex functional architecture of animal
and human brains. However, individual imaging modalities often face limitations confining …