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Functional connectivity in complex regional pain syndrome: A bicentric study.
Neuroimage
November 2024
Functional Imaging Unit, Institute of Diagnostic Radiology and Neuroradiology, University Medicine Greifswald, Walther-Rathenau-Str. 46, Greifswald D-17475, Germany. Electronic address:
Article Synopsis
- The study examined brain connectivity in 51 CRPS patients compared to 50 control subjects, finding both weak and some specific differences in functional connectivity.
- It highlighted lower connectivity between the periaqueductal gray matter and the anterior insula, and higher connectivity within the reward system, indicating potential mechanisms in CRPS pain modulation.
- Importantly, the researchers observed lower data quality in CRPS patients, suggesting that findings on connectivity should be re-evaluated in future studies for better reliability.
Alterations of the alpha rhythm in visual snow syndrome: a case-control study.
J Headache Pain
April 2024
Department of Neurology Inselspital, Bern University Hospital, University of Bern, Rosenbühlgasse 25, Bern, CH-3010, Switzerland.
Background: Visual snow syndrome is a disorder characterized by the combination of typical perceptual disturbances. The clinical picture suggests an impairment of visual filtering mechanisms and might involve primary and secondary visual brain areas, as well as higher-order attentional networks. On the level of cortical oscillations, the alpha rhythm is a prominent EEG pattern that is involved in the prioritisation of visual information.
View Article and Find Full Text PDFCortical oscillatory dysrhythmias in visual snow syndrome: a magnetoencephalography study.
Brain Commun
December 2021
Save Sight Institute, Faculty of Health and Medicine, The University of Sydney, Sydney, NSW, Australia.
Visual snow refers to the persistent visual experience of static in the whole visual field of both eyes. It is often reported by patients with migraine and co-occurs with conditions such as tinnitus and tremor. The underlying pathophysiology of the condition is poorly understood.
View Article and Find Full Text PDFThalamocortical interactions in cognition and disease: The mediodorsal and anterior thalamic nuclei.
Neurosci Biobehav Rev
November 2021
Department of Experimental Psychology, Oxford University, The Tinsley Building, Mansfield Road, OX1 3SR, United Kingdom. Electronic address:
The mediodorsal thalamus (MD) and anterior thalamic nuclei (ATN) are two adjacent brain nodes that support our ability to make decisions, learn, update information, form and retrieve memories, and find our way around. The MD and PFC work in partnerships to support cognitive processes linked to successful learning and decision-making, while the ATN and extended hippocampal system together coordinate the encoding and retrieval of memories and successful spatial navigation. Yet, while these distinctions may appear to be segregated, both the MD and ATN together support our higher cognitive functions as they regulate and are influenced by interconnected fronto-temporal neural networks and subcortical inputs.
View Article and Find Full Text PDFThe Ups and Downs of Thalamocortical Connectivity in Schizophrenia.
Biol Psychiatry
March 2018
Department of Psychiatry, University of Minnesota, Minneapolis, Minnesota; Department of Psychology, University of Minnesota, Minneapolis, Minnesota. Electronic address:
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