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Recovery Promotion

The severity and chronicity of cognitive dysfunction caused by bodily diseases and adverse events is moderated by the ability of the brain to recover. This workspace will investigate key recovery mechanisms including recuperation from neural exhaustion and brain clearance with special emphasis on pathological fatigue.

THE ABILITY OF THE BRAIN TO RECOVER

IDENTIFYING MECHANISMS FOR IMPROVEMENTS

We hypothesise that NCC mechanisms of fatigue involve humoral, midbrain, thalamic, basal ganglia regions and their interaction with cortical/limbic circuits. Different aetiologies and pre-existing diseases can cause fatigue by affecting this circuitry either directly or via the gut-brain-axis. Identifying gut microbiome metabolites as modulators of fatigue may lead to novel therapies to mobilise NCC reserve against fatigue. The workspace will identify NCC mechanisms and bodily triggers of fatigue common across aetiologies (MS, PD, Long-Covid, ME/CFS, PBC). Clinical phenotyping including immunophenotyping, metabolic/microbiome analysis in a multi-objective approach will be combined with multimodal imaging of i.e. midbrain or motivational circuits. By in vivo models inflammation, we will investigate the impact of local and systemic immune responses on the onset and persistence of fatigue. We will perform interventional studies (NIBS techniques, dietary interventions i.e. SCFA), include simulations of cognitive demands in industrial workflows and analyze disturbed brain clearance by invasive parenchymal micro-dialysis.

'Many factors from the environment and the body can influence the brain's ability to regenerate. Knowing these influencing factors will help us avoid the negative factors and target the positive ones for therapy.'

Prof. Dr. Aiden Haghikia

The gut-brain axis as potential contributor to fatigue and target for intervention

For the last decade, we investigated the impact of environmental factors on brain health and disease with special emphasis on identifying components originating from dietary habits and involvement of the human gut microbiome. In a translational study, where we supplemented short-chained fatty acids (SCFA) in healthy controls and 300 MS patients for up to three years, we detected a substantial immunomodulatory mechanism driven by SCFA with dist...

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Prevention of fatigue in industrial work environments

In the context of growing skill shortages, maintaining the health of the workforce is becoming increasingly important. Besides physical illnesses, mental health disorders, in particular, contribute to a rising number of absence days. To counter this, our project aims to address the following key aspects: the objective measurement and evaluation of cognitive fatigue in the workplace, the impact of assistive technologies, and the translation of ...

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CD8+ memory T cells and fatigue

Systemic immune surveillance requires highly mobile immune cells with varying tissue tropisms. For example, naïve T cells (TN) circulate between lymph nodes (LNs) while effector T cells (TE) migrate to the site of infection to produce microbicidal effector molecules such as Interferon-γ (IFN-γ). After pathogen clearance a small fraction of TE converts into long-lived circulating memory T cells (TCIRCM) and tissue-resident memory T cells (TRM)....

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An objective approach to cognitive fatigue diagnosis and neuromodulatory treatment...

Fatigue, being a subjective perception, poses a diagnostic challenge due to its intangible nature. It afflicts approximately 80%, of individuals with MS, detrimentally impacting their overall quality of life. Nonetheless, the understanding of and therapeutic interventions for fatigue in MS remain limited. Objective fatigability, which represents a quantifiable decline in performance, also coexists alongside subjective fatigue. However, the exp...

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Joining forces across disciplines

Our
Workspaces

The overarching goal of our research cluster is to understand, treat and prevent cognitive impairment. Hence, we designed four strategically and thematically related workspaces which together cover manifold aspects of cognitive vitality.

Our workspaces stand for innovative collaboration structures on the principles of neurocognitive circuit research and convergence. Within we bring together the fields of cognitive neuroscience, clinical medicine, and engineering/informatics which leads to research on fundamental mechanisms and their translation into clinical applications and technology.

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Real-world Participation

Brain Protection

Resource Mobilisation

Recovery Promotion

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How do our brains, our bodies and our environment interact? How do physical illnesses affect our mental performance? And why are we more efficient on some days than others?
We would like to get to the bottom of these questions together with you. Register now and take part in exciting studies.

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Otto-von-Guericke-Universität
Institut für Kognitive Neurologie und Demenzforschung
‍
Leipziger Straße 44, 39120 Magdeburg
Contact
Heike Sommermeier
+49 391 67 25476 heike.sommermeier@med.ovgu.de
Judith Wesenberg
+49 391 67 25061 judith.wesenberg@med.ovgu.de
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