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Lifespan pigmentation changes of the substantia nigra detected by neuromelanin-sensitive MRI (2018)
Journal Article
Xing, Y., Sapuan, A., Dineen, R., & Auer, D. P. (2018). Lifespan pigmentation changes of the substantia nigra detected by neuromelanin-sensitive MRI. Movement Disorders, 33(11), 1792-1799. doi:10.1002/mds.27502

Background: Neuromelanin is a pigment with strong iron-chelating properties preferentially found in dopaminergic neurons of the substantia nigra, pars compacta (SNpc). Parkinson's disease is characterized by pronounced, MRI detectable neuromelanin lo... Read More

Altered nucleus basalis connectivity predicts treatment response in mild cognitive impairment (2018)
Journal Article
Meng, D., Li, X., Bauer, M., Taylor, J., Auer, D. P., & Alzheimer's Disease Neuroimaging Initiative, . (2018). Altered nucleus basalis connectivity predicts treatment response in mild cognitive impairment. Radiology, 2018, doi:10.1148/radiol.2018180092

Purpose: To determine whether functional connectivity (FC) mapping of nucleus basalis of Meynert (NBM) cholinergic network (hereafter, NBM FC) could provide a biomarker of central cholinergic deficits with predictive potential for response to choline... Read More

Parkinson's disease related signal change in the nigrosomes 1–5 and the substantia nigra using T2* weighted 7T MRI (2018)
Journal Article
Schwarz, S. T., Mougin, O., Xing, Y., Blazejewska, A., Bajaj, N., Auer, D. P., & Gowland, P. (in press). Parkinson's disease related signal change in the nigrosomes 1–5 and the substantia nigra using T2* weighted 7T MRI. NeuroImage: Clinical, 19, doi:10.1016/j.nicl.2018.05.027

Improved markers for the progression of Parkinson's disease (PD) are required. Previous work has proven that iron dependent MRI scans can detect the largest Nigrosome (N1) within the substantia nigra (SN) pars compacta and changes in PD. Histopatholo... Read More

Altered connectivity of the right anterior insula drives the pain connectome changes in chronic knee osteoarthritis (2018)
Journal Article
Cottam, W. J., Iwabuchi, S. J., Drabek, M. M., Reckziegel, D., & Auer, D. P. (2018). Altered connectivity of the right anterior insula drives the pain connectome changes in chronic knee osteoarthritis. PAIN, 159(5), doi:10.1097/j.pain.0000000000001209

Resting-state functional connectivity (FC) has proven a powerful approach to understand the neural underpinnings of chronic pain, reporting altered connectivity in three main networks: the default mode (DMN), central executive (CEN), and the salience... Read More

Patterns of grey matter loss associated with motor subscores in early Parkinson's disease (2017)
Journal Article
Li, X., Xing, Y., Martin-Bastida, A., Piccini, P., & Auer, D. P. (in press). Patterns of grey matter loss associated with motor subscores in early Parkinson's disease. NeuroImage: Clinical, 17, doi:10.1016/j.nicl.2017.11.009

Classical motor symptoms of Parkinson's disease (PD) such as tremor, rigidity, bradykinesia, and axial symptoms are graded in the Movement Disorders Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS) III. It is yet to be ascertained whether... Read More

Activation induced changes in GABA: functional MRS at 7 T with MEGA-sLASER (2017)
Journal Article
Chen, C., Sigurdsson, H. P., Pépés, S. E., Auer, D. P., Morris, P. G., Morgan, P. S., …Jackson, S. R. (2017). Activation induced changes in GABA: functional MRS at 7 T with MEGA-sLASER. NeuroImage, 156, doi:10.1016/j.neuroimage.2017.05.044. ISSN 1053-8119

Functional magnetic resonance spectroscopy (fMRS) has been used to assess the dynamic metabolic responses of the brain to a physiological stimulus non-invasively. However, only limited information on the dynamic functional response of γ-aminobutyric... Read More

Coordinate based random effect size meta-analysis of neuroimaging studies (2017)
Journal Article
Tench, C. R., Tanasescu, R., Constantinescu, C. S., Auer, D. P., & Cottam, W. J. (in press). Coordinate based random effect size meta-analysis of neuroimaging studies. NeuroImage, 153, doi:10.1016/j.neuroimage.2017.04.002. ISSN 1053-8119

Low power in neuroimaging studies can make them difficult to interpret, and Coordinate based meta-analysis (CBMA) may go some way to mitigating this issue. CBMA has been used in many analyses to detect where published functional MRI or voxel-based mo... Read More

Limbic grey matter changes in early Parkinson's disease (2017)
Journal Article
Li, X., Xing, Y., Schwarz, S. T., & Auer, D. P. (in press). Limbic grey matter changes in early Parkinson's disease. Human Brain Mapping, doi:10.1002/hbm.23610. ISSN 1065-9471

The purpose of this study was to investigate local and network related changes of limbic grey matter in early Parkinson’s disease (PD) and their interrelation with non-motor symptom severity. We applied voxel-based morphometric methods in 538 T1 MRI... Read More

In vivo assessment of brainstem depigmentation in Parkinson’s: potential as severity marker for multi-centre studies (2016)
Journal Article
Schwarz, S. T., Xing, Y., Tomar, P., Bajaj, N., & Auer, D. P. (in press). In vivo assessment of brainstem depigmentation in Parkinson’s: potential as severity marker for multi-centre studies. Radiology, doi:10.1148/radiol.2016160662

Purpose: To investigate the pattern of neuromelanin signal intensity loss within the substantia nigra pars compacta (SNpc), locus coeruleus, and ventral tegmental area in Parkinson disease (PD); the specific aims were (a) to study regional magnetic... Read More

Cerebral cortical thickness in chronic pain due to knee osteoarthritis: the effect of pain duration and pain densitization (2016)
Journal Article
Alshuft, H., Condon, L., Dineen, R. A., & Auer, D. P. (in press). Cerebral cortical thickness in chronic pain due to knee osteoarthritis: the effect of pain duration and pain densitization. PLoS ONE, 11(9), doi:10.1371/journal.pone.0161687. ISSN 1932-6203

Objective This study investigates associations between cortical thickness and pain duration, and central sensitization as markers of pain progression in painful knee osteoarthritis. Methods Whole brain cortical thickness and pressure pain th... Read More

Associations of limbic-affective brain activity and severity of ongoing chronic arthritis pain are explained by trait anxiety (2016)
Journal Article
Cottam, W. J., Condon, L., Alshuft, H., Reckziegel, D., & Auer, D. P. (in press). Associations of limbic-affective brain activity and severity of ongoing chronic arthritis pain are explained by trait anxiety. NeuroImage: Clinical, 12, doi:10.1016/j.nicl.2016.06.022. ISSN 2213-1582

Functional magnetic resonance imaging studies (fMRI) have transformed our understanding of central processing of evoked pain but the typically used block and event-related designs are not best suited to the study of ongoing pain. Here we used arteria... Read More

Novel Methods for microglia segmentation, feature extraction and classification (2016)
Journal Article
Ding, Y., Pardon, M., Agostini, A., Faas, H., Duan, J., Ward, W. O., …Bai, L. (2016). Novel Methods for microglia segmentation, feature extraction and classification. IEEE/ACM Transactions on Computational Biology and Bioinformatics, doi:10.1109/TCBB.2016.2591520. ISSN 1545-5963

Segmentation and analysis of histological images provides a valuable tool to gain insight into the biology and function of microglial cells in health and disease. Common image segmentation methods are not suitable for inhomogeneous histology image an... Read More

Neural correlates of hyperalgesia in the monosodium iodoacetate model of osteoarthritis pain (2016)
Journal Article
Abaei, M., Sagar, D. R., Stockley, E. G., Spicer, C. H., Prior, M., Chapman, V., & Auer, D. P. (in press). Neural correlates of hyperalgesia in the monosodium iodoacetate model of osteoarthritis pain. Molecular Pain, 12, doi:10.1177/1744806916642445. ISSN 1744-8069

Background: The mechanisms driving osteoarthritic pain remain poorly understood, but there is increasing evidence for a role of the central nervous system in the chronification of pain.We used functional magnetic resonance imaging to investigate the... Read More