Georg Meyer
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View article: Functional and structural adaptations following immersive audiovisual training in post-stroke hemianopia: A study of behaviour, DTI, and FC
Functional and structural adaptations following immersive audiovisual training in post-stroke hemianopia: A study of behaviour, DTI, and FC Open
Homonymous hemianopia (HH) is a common post-stroke visual deficit that affects spatial awareness and visual search. While behavioural improvements have been reported following audiovisual (AV) training, the underlying neural mechanisms rem…
View article: Beyond Reality - The Influence Audio-Visual-Haptic Training has on Sequence Learning in a VR and Real-world Environment
Beyond Reality - The Influence Audio-Visual-Haptic Training has on Sequence Learning in a VR and Real-world Environment Open
Failure to effectively learn and recall certain sequences, such as performing an overtaking manoeuvre in a car, can have potentially deadly consequences. Through improving the way sequences are learnt, we can begin to minimise the chances …
View article: Tracking microstructural adaptations in primary visual areas: A diffusion kurtosis imaging study on visuomotor learning
Tracking microstructural adaptations in primary visual areas: A diffusion kurtosis imaging study on visuomotor learning Open
This study investigates the potential of Diffusion Kurtosis Imaging (DKI) to detect microstructural changes induced by visuomotor training and its added value over Diffusion Tensor Imaging (DTI). Fourteen healthy participants completed a s…
View article: Neural adaptations in short-term learning of sign language revealed by fMRI and DTI
Neural adaptations in short-term learning of sign language revealed by fMRI and DTI Open
While vocal articulation is a unique feature of spoken languages, signed languages use facial expressions and hand movements for communication. Despite this substantial difference, neuroimaging studies show that spoken and sign language re…
View article: Multimodal MRI analysis of microstructural and functional connectivity brain changes following systematic audio-visual training in a virtual environment
Multimodal MRI analysis of microstructural and functional connectivity brain changes following systematic audio-visual training in a virtual environment Open
Recent work has shown rapid microstructural brain changes in response to learning new tasks. These cognitive tasks tend to draw on multiple brain regions connected by white matter (WM) tracts. Therefore, behavioural performance change is l…
View article: Residual Finiteness of $A_{2,3,2n}$ Triangle Artin Groups
Residual Finiteness of $A_{2,3,2n}$ Triangle Artin Groups Open
We prove that triangle Artin groups of the type $A_{2,3,2n}$ are residually finite for all $n\geq4$. This requires splitting these triangle Artin groups as graphs of groups and then proving that each of these graphs of groups has finite st…
View article: Exploring the relationship between hallucination proneness and brain morphology
Exploring the relationship between hallucination proneness and brain morphology Open
These findings challenge existing models by suggesting that higher brain volumes in language-related cortical areas may be associated with increased proneness to both auditory and visual hallucinations in non-clinical populations. This con…
View article: Perceived Audio-Visual Simultaneity Is Recalibrated by the Visual Intensity of the Preceding Trial
Perceived Audio-Visual Simultaneity Is Recalibrated by the Visual Intensity of the Preceding Trial Open
A vital heuristic used when making judgements on whether audio-visual signals arise from the same event, is the temporal coincidence of the respective signals. Previous research has highlighted a process, whereby the perception of simultan…
View article: Veterinary students’ proximity to and interpretation of a simulated “aggressive” dog before and after training
Veterinary students’ proximity to and interpretation of a simulated “aggressive” dog before and after training Open
Dog “aggression” in the veterinary practice is commonplace. Therefore, student knowledge and education about dog behaviour and the ability to interpret “aggressive” behaviour is important from a human injury prevention and dog welfare pers…
View article: Enhancing learning outcomes through multisensory integration: A fMRI study of audio-visual training in virtual reality
Enhancing learning outcomes through multisensory integration: A fMRI study of audio-visual training in virtual reality Open
The integration of information from different sensory modalities is a fundamental process that enhances perception and performance in real and virtual environments (VR). Understanding these mechanisms, especially during learning tasks that…
View article: Rapid neural changes during novel speech-sound learning: An fMRI and DTI study
Rapid neural changes during novel speech-sound learning: An fMRI and DTI study Open
While the functional and microstructural changes that occur when we learn new language skills are well documented, relatively little is known about the time course of these changes. Here a combined functional magnetic resonance imaging (fM…
View article: A pilot study investigating human behaviour towards DAVE (Dog Assisted Virtual Environment) and interpretation of non-reactive and aggressive behaviours during a virtual reality exploration task
A pilot study investigating human behaviour towards DAVE (Dog Assisted Virtual Environment) and interpretation of non-reactive and aggressive behaviours during a virtual reality exploration task Open
Dog aggression is a public health concern because dog bites often lead to physical and psychological trauma in humans. It is also a welfare concern for dogs. To prevent aggressive behaviours, it is important to understand human behaviour t…
View article: A Systematic Scoping Review of Human-Dog Interactions in Virtual and Augmented Reality: The Use of Virtual Dog Models and Immersive Equipment
A Systematic Scoping Review of Human-Dog Interactions in Virtual and Augmented Reality: The Use of Virtual Dog Models and Immersive Equipment Open
Virtual reality is beneficial from a research and education perspective as it allows the assessment of participants in situations that would otherwise be ethically and practically difficult or impossible to study in the real world. This is…
View article: Audio-visual stimulation for visual compensatory functions in stroke survivors with visual field defect: a systematic review
Audio-visual stimulation for visual compensatory functions in stroke survivors with visual field defect: a systematic review Open
Background Hemianopia is a complete or partial blindness in the visual fields of both eyes, commonly caused by cerebral infarction. It has been hypothesized that systematic audio-visual (AV) stimulation of the blind hemifield can improve a…
View article: Audio-visual Stimulation for Visual Compensatory Functions in Stroke Survivors With Visual Field Defect; a Systematic Review
Audio-visual Stimulation for Visual Compensatory Functions in Stroke Survivors With Visual Field Defect; a Systematic Review Open
Background: Hemianopia is a complete or partial blindness in the visual fields of both eyes, commonly caused by cerebral infarction. It has been hypothesized that systematic audio-visual (AV) stimulation of the blind hemifield can improve …
View article: Transfer of training—Virtual reality training with augmented multisensory cues improves user experience during training and task performance in the real world
Transfer of training—Virtual reality training with augmented multisensory cues improves user experience during training and task performance in the real world Open
Virtual reality (VR) can create safe, cost-effective, and engaging learning environments. It is commonly assumed that improvements in simulation fidelity lead to better learning outcomes. Some aspects of real environments, for example vest…
View article: Narrowing of the Audiovisual Temporal Binding Window Due To Perceptual Training Is Specific to High Visual Intensity Stimuli
Narrowing of the Audiovisual Temporal Binding Window Due To Perceptual Training Is Specific to High Visual Intensity Stimuli Open
The temporal binding window (TBW), which reflects the range of temporal offsets in which audiovisual stimuli are combined to form a singular percept, can be reduced through training. Our research aimed to investigate whether training-induc…
View article: Behavioural performance improvement in visuomotor learning correlates with functional and microstructural brain changes
Behavioural performance improvement in visuomotor learning correlates with functional and microstructural brain changes Open
A better understanding of practice-induced functional and structural changes in our brains can help us design more effective learning environments that provide better outcomes. Although there is growing evidence from human neuroimaging tha…
View article: A colorimetric comparison of sunless with natural skin tan
A colorimetric comparison of sunless with natural skin tan Open
The main ingredient of sunless tanning products is dihydroxyacetone (DHA). DHA reacts with the protein and amino acid composition in the surface layers of the skin, producing melanoidins, which changes the skin colour, imitating natural sk…
View article: A colorimetric comparison of sunless with natural skin tan
A colorimetric comparison of sunless with natural skin tan Open
The main ingredient of sunless tanning products is dihydroxyacetone (DHA). DHA reacts with the protein and amino acid composition in the surface layers of the skin, producing melanoidins, which changes the skin colour, imitating natural sk…
View article: “Fake Tan” or “Fake News”?
“Fake Tan” or “Fake News”? Open
We estimated Trump’s skin colour from 70 internet images and also from the “twitter tan line” image (February 8, 2020; Twitter). We then compared the estimated skin colours with two existing data sets of skin colours: the range of skin tan…
View article: A colorimetric comparison of sunless with natural skin tan
A colorimetric comparison of sunless with natural skin tan Open
Dataset for "A colorimetric comparison of sunless with natural skin tan".Kinjiro Amano, Kaida Xiao, Sophie Wuerger, Georg Meyer, PLoS One, 2020
View article: Perceptual assessment of environmental stability modulates postural sway
Perceptual assessment of environmental stability modulates postural sway Open
We actively maintain postural equilibrium in everyday life, and, although we are unaware of the underlying processing, there is increasing evidence for cortical involvement in this postural control. Converging evidence shows that we make a…
View article: The effects of substitute multisensory feedback on task performance and the sense of presence in a virtual reality environment
The effects of substitute multisensory feedback on task performance and the sense of presence in a virtual reality environment Open
Objective and subjective measures of performance in virtual reality environments increase as more sensory cues are delivered and as simulation fidelity increases. Some cues (colour or sound) are easier to present than others (object weight…
View article: Microstructure of the superior temporal gyrus and hallucination proneness - a multi-compartment diffusion imaging study
Microstructure of the superior temporal gyrus and hallucination proneness - a multi-compartment diffusion imaging study Open
Previous studies reported that the volume of the left superior temporal gyrus (STG) is reduced in patients with schizophrenia and negatively correlated with hallucination severity. Moreover, diffusion-tensor imaging studies suggested a rel…