Thomas Eggert
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View article: Brain activity during acquisition of long visuospatial sequences
Brain activity during acquisition of long visuospatial sequences Open
Explicitly acquiring a visuospatial sequence involves various fundamental attentional and processing mechanisms that can be difficult to disentangle. To this end, we performed an fMRI study ( n = 34) on the acquisition of visuospatial targ…
View article: Questionnaire-based study of COVID-19 vaccination induced headache: evidence of clusters of adverse events
Questionnaire-based study of COVID-19 vaccination induced headache: evidence of clusters of adverse events Open
View article: Symptoms in unilateral vestibular hypofunction are associated with number of catch-up saccades and retinal error: results from the population-based KORA FF4 study
Symptoms in unilateral vestibular hypofunction are associated with number of catch-up saccades and retinal error: results from the population-based KORA FF4 study Open
Objective The presence and intensity of symptoms vary in patients with unilateral vestibular hypofunction. We aimed to determine which saccadic and vestibulo-ocular reflex parameters best predict the presence of symptoms in unilateral vest…
View article: Motor adaptation does not differ when a perturbation is introduced abruptly or gradually
Motor adaptation does not differ when a perturbation is introduced abruptly or gradually Open
People continuously adapt their movements to ever-changing circumstances, and particularly in skills training and rehabilitation, it is crucial that we understand how to optimize implicit adaptation in order for these processes to require …
View article: Motor adaptation does not differ when a perturbation is introduced abruptly or gradually
Motor adaptation does not differ when a perturbation is introduced abruptly or gradually Open
People continuously adapt their movements to ever-changing circumstances, and particularly in skills training and rehabilitation, it is crucial that we understand how to optimize implicit adaptation in order for these processes to require …
View article: A new test to detect impairments of sequential visuospatial memory due to lesions of the temporal lobe
A new test to detect impairments of sequential visuospatial memory due to lesions of the temporal lobe Open
This study investigates visuospatial memory in patients with unilateral lesions of the temporal lobe and the hippocampus resulting from surgery to treat drug-resistant epilepsy. To detect impairments of visuospatial memory in these individ…
View article: Control of arm movements in Friedreich’s ataxia patients: role of sensory feedback
Control of arm movements in Friedreich’s ataxia patients: role of sensory feedback Open
View article: Error inconsistency does not generally inhibit saccadic adaptation: Support for linear models of multi‐gainfield adaptation
Error inconsistency does not generally inhibit saccadic adaptation: Support for linear models of multi‐gainfield adaptation Open
This study examined saccade adaptation induced by intrasaccadic target steps (ITS). By manipulating the ITS, we investigated potential effects of the consistency of the feedback error on saccade adaptation, which would provide evidence aga…
View article: Age- and frequency-dependent changes in dynamic contrast perception in visual snow syndrome
Age- and frequency-dependent changes in dynamic contrast perception in visual snow syndrome Open
View article: Intrinsic Network Activity Reflects the Fluctuating Experience of Tonic Pain
Intrinsic Network Activity Reflects the Fluctuating Experience of Tonic Pain Open
Although we know sensation is continuous, research on long-lasting and continuously changing stimuli is scarce and the dynamic nature of ongoing cortical processing is largely neglected. In a longitudinal study with 152 fMRI sessions, part…
View article: Magnetic Suppression of Perceptual Accuracy Is Not Reduced in Visual Snow Syndrome
Magnetic Suppression of Perceptual Accuracy Is Not Reduced in Visual Snow Syndrome Open
Objective: Patients with visual snow syndrome (VSS) suffer from continuous (“TV snow-like”) visual disturbance of unknown pathoetiology. In VSS, changes in cortical excitability in the primary visual cortex and the visual association corte…
View article: Reflexive and Intentional Saccadic Eye Movements in Migraineurs
Reflexive and Intentional Saccadic Eye Movements in Migraineurs Open
Background: Migraine has been postulated to lead to structural and functional changes of different cortical and subcortical areas, including the frontal lobe, the brainstem, and cerebellum. The (sub-)clinical impact of these changes is a m…
View article: Modeling inter-trial variability of pointing movements during visuomotor adaptation
Modeling inter-trial variability of pointing movements during visuomotor adaptation Open
View article: A Novel Tool for the Removal of Muscle Artefacts from EEG: Improving Data Quality in the Gamma Frequency Range
A Novel Tool for the Removal of Muscle Artefacts from EEG: Improving Data Quality in the Gamma Frequency Range Open
Background The past two decades have seen a particular focus towards high-frequency neural activity in the gamma band (>30Hz). However, gamma band activity shares frequency range with unwanted artefacts from muscular activity. New Method W…
View article: Polymorphisms in CRYBB2 encoding βB2-crystallin are associated with antisaccade performance and memory function
Polymorphisms in CRYBB2 encoding βB2-crystallin are associated with antisaccade performance and memory function Open
βB2-crystallin (gene symbol: Crybb2 / CRYBB2 ) was first described as a structural protein of the ocular lens before it was detected in various brain regions of the mouse, including the hippocampus and the cerebral cortex. Mutations in the…
View article: Variance components affecting the repeatability of the alternating cover test
Variance components affecting the repeatability of the alternating cover test Open
In within-subject and within-examiner repeated measures designs, measures of heterophoria with the manual prism cover test achieve standard deviations between 0.5 and 0.8 deg. We addressed the question how this total noise is composed of v…
View article: Oculomotor Disturbances in Patients with Chronic Nonspecific Spinal Pain
Oculomotor Disturbances in Patients with Chronic Nonspecific Spinal Pain Open
Our results show that chronic spinal pain patients display subtle but significant oculomotor changes as compared with healthy controls. Considering the networks involved in the generation of saccades and smooth pursuit, the results would b…
View article: The Propagation of Movement Variability in Time: A Methodological Approach for Discrete Movements with Multiple Degrees of Freedom
The Propagation of Movement Variability in Time: A Methodological Approach for Discrete Movements with Multiple Degrees of Freedom Open
In recent years, theory-building in motor neuroscience and our understanding of the synergistic control of the redundant human motor system has significantly profited from the emergence of a range of different mathematical approaches to an…
View article: Gain Control in Predictive Smooth Pursuit Eye Movements: Evidence for an Acceleration-Based Predictive Mechanism
Gain Control in Predictive Smooth Pursuit Eye Movements: Evidence for an Acceleration-Based Predictive Mechanism Open
The smooth pursuit eye movement system incorporates various control features enabling adaptation to specific tracking situations. In this work, we analyzed the interplay between two of these mechanisms: gain control and predictive pursuit.…
View article: Modeling Inter-trial Variability of Saccade Trajectories: Effects of Lesions of the Oculomotor Part of the Fastigial Nucleus
Modeling Inter-trial Variability of Saccade Trajectories: Effects of Lesions of the Oculomotor Part of the Fastigial Nucleus Open
This study investigates the inter-trial variability of saccade trajectories observed in five rhesus macaques (Macaca mulatta). For each time point during a saccade, the inter-trial variance of eye position and its covariance with eye end p…
View article: Promoting Tobacco Cessation in a Community-Based WomenÂ’s Health Centre
Promoting Tobacco Cessation in a Community-Based WomenÂ’s Health Centre Open
This evaluation failed to identify clinical meaningful changes in the delivery of smoking cessation services in this women's health office before and after completion of a series of educational interventions for office staff. It is anticip…