Search results for: Peter Höller

Items from 1 to 20 out of 21 results

article

Site selection for biogenic reef restoration in offshore environments: The Natura 2000 area Borkum Reef Ground as a case study for native oyster restoration

Bernadette Pogoda, Verena Merk, Bérenger Colsoul, Tanja Hausen, more

Aquatic Conservation: Marine and Freshwater Ecosystems > 30 > 11 > 2163 - 2179

1.According to the EU Marine Strategy Framework Directive (2008/56/EC), marine protected areas (MPA) should contribute to a good environmental status of the Europeans seas. Measures maintaining or restoring a favourable conservation status of protected species and habitats are mandatory according to the EU Habitats Directive (92/43/EEC). 2.Identification of suitable sites for ecological restoration...

article

Holistic physical exercise training improves physical literacy among physically inactive adults: a pilot intervention study

Peter Holler, Johannes Jaunig, Frank-Michael Amort, Silvia Tuttner, more

BMC Public Health > 2019 > 19 > 1 > 1-14

Background Physical literacy (PL), given as a multidimensional construct, is considered a person’s capacity and commitment to a physically active lifestyle. We investigated the effect of a holistic physical exercise training on PL among physically inactive adults. Methods A non-randomised controlled study was conducted. Thirty-one physically inactive adults in the intervention group (IG; 81% females,...

article

Reduction in insulin degludec dosing for multiple exercise sessions improves time spent in euglycaemia in people with type 1 diabetes: A randomized crossover trial

Othmar Moser, Max L. Eckstein, Alexander Mueller, Philipp Birnbaumer, more

Diabetes, Obesity and Metabolism > 21 > 2 > 349 - 356

Aims To compare the time spent in specified glycaemic ranges in people with type 1 diabetes (T1D) during 5 consecutive days of moderate‐intensity exercise while on either 100% or 75% of their usual insulin degludec (IDeg) dose. Materials and Methods Nine participants with T1D (four women, mean age 32.1 ± 9.0 years, body mass index 25.5 ± 3.8 kg/m², glycated haemoglobin 55 ± 7 mmol/mol (7.2% ± 0...

article

Avalanche accidents and fatalities in Austria since 1946/47 with special regard to tourist avalanches in the period 1981/82 to 2015/16

Peter Höller

Cold Regions Science and Technology > 2017 > 144 > C > 89-95

Avalanches are one of the principal natural hazards in alpine regions, frequently resulting in property damage and fatalities. This paper indicates and analyses avalanche accidents and particularly avalanche fatalities within the last 70years in Austria.While from 1946/47 to 1980/81 accidents due to catastrophic avalanches prevailed, the following period (1981/82 to 2015/16) was characterised by a...

article

Impact of cyclic lean–rich aging under DeSO_x condition on the lean-gas light-off and hydrogen formation ability of a lean NO_x trap (LNT)

Michael Maurer, Thomas Fortner, Peter Holler, Stefan Zarl, more

Automotive and Engine Technology > 2017 > 2 > 1-4 > 63-77

In this paper, the aging impact of desulphation (DeSO_x) procedures on lean NO_x traps (LNT) was investigated. With accelerated aging procedures on an engine test bench and on a synthetic-gas test bench, LNTs were stressed with lean rich cycling under realistic desulphation conditions. Exhaust gas chassis dynamometer tests showed the impact on emissions of the lean rich treatment. High carbon monoxide...

article

Tools to evaluate seafloor integrity: comparison of multi-device acoustic seafloor classifications for benthic macrofauna-driven patterns in the German Bight, southern North Sea

Peter Holler, Edith Markert, Alexander Bartholomä, Ruggero Capperucci, more

Geo-Marine Letters > 2017 > 37 > 2 > 93-109

To determine the spatial resolution of sediment properties and benthic macrofauna communities in acoustic backscatter, the suitability of four acoustic seafloor classification devices (single-beam echosounder with RoxAnn and QTC 5.5 seafloor classification system, sidescan sonar with QTC Swathview seafloor classification, and multi-beam echosounder with QTC Swathview seafloor classification) was compared...

article

Seafloor monitoring west of Helgoland (German Bight, North Sea) using the acoustic ground discrimination system RoxAnn

H. Christian Hass, Finn Mielck, Dario Fiorentino, Svenja Papenmeier, more

Geo-Marine Letters > 2017 > 37 > 2 > 125-136

Marine habitats of shelf seas are in constant dynamic change and therefore need regular assessment particularly in areas of special interest. In this study, the single-beam acoustic ground discrimination system RoxAnn served to assess seafloor hardness and roughness, and combine these parameters into one variable expressed as RGB (red green blue) color code followed by k-means fuzzy cluster analysis...

article

Serotonergic transmission after spinal cord injury

Raffaele Nardone, Yvonne Höller, Aljoscha Thomschewski, Peter Höller, more

Journal of Neural Transmission > 2015 > 122 > 2 > 279-295

Changes in descending serotonergic innervation of spinal neural activity have been implicated in symptoms of paralysis, spasticity, sensory disturbances and pain following spinal cord injury (SCI). Serotonergic neurons possess an enhanced ability to regenerate or sprout after many types of injury, including SCI. Current research suggests that serotonine (5-HT) release within the ventral horn of the...

article

Subjective memory impairment and cholinergic transmission: a TMS study

Raffaele Nardone, Yvonne Höller, Arne C. Bathke, Peter Höller, more

Journal of Neural Transmission > 2015 > 122 > 6 > 873-876

Subjective memory impairment (SMI) is being increasingly recognized as a preclinical phase of Alzheimer disease (AD). Short latency afferent inhibition (SAI) is helpful in demonstrating dysfunction of central cholinergic circuits, and was reported to be abnormal in patients with AD and amnestic multiple domain mild cognitive impairment. In this study, we found normal SAI in 20 subjects with SMI. SAI...

article

Connectivity biomarkers can differentiate patients with different levels of consciousness

Yvonne Höller, Aljoscha Thomschewski, Jürgen Bergmann, Martin Kronbichler, more

Clinical Neurophysiology > 2014 > 125 > 8 > 1545-1555

In the present study, we searched for resting-EEG biomarkers that distinguish different levels of consciousness on a single subject level with an accuracy that is significantly above chance.We assessed 44 biomarkers extracted from the resting EEG with respect to their discriminative value between groups of minimally conscious (MCS, N=22) patients, vegetative state patients (VS, N=27), and – for a...

article

Snow gliding on a south-facing slope covered with larch trees

Peter Höller

Annals of Forest Science > 2014 > 71 > 1 > 81-89

• Context Snow gliding is a downhill motion of snow on the ground; observations have shown gliding to be possible not only on open slopes but also in forest stands. Larch stands, with their low canopy density and open forest structure with clearings and gaps, are particularly prone to high glide rates. Snow gliding may have negative effects on juvenescent trees which can be damaged by extraction...

article

Fatigue-induced motor cortex excitability changes in subjects with spinal cord injury

Raffaele Nardone, Yvonne Höller, Francesco Brigo, Peter Höller, more

Brain Research Bulletin > 2013 > 99 > Complete > 9-12

To further investigate the mechanisms of exercise-induced cortical plasticity after spinal cord injury (SCI), the cortical silent period (CoSP) evoked by transcranial magnetic stimulation (TMS) during a fatiguing muscle contraction was evaluated in 5 patients with incomplete cervical SCI and in 5 healthy subjects.The physiological lengthening of CoSP end latency during fatigue was not observed in...

article

The role of the ipsilateral primary motor cortex in movement control after spinal cord injury: A TMS study

Raffaele Nardone, Yvonne Höller, Peter Höller, Natasha Thon, more

Neuroscience Letters > 2013 > 552 > Complete > 21-24

Previous neuroimaging studies raised the hypothesis that enhanced activity in the ipsilateral motor cortex (M1) plays a contributing role in the compensation for the motor deficits resulting from a spinal cord injury (SCI). However, it is still unknown whether the activity in the ipsilateral M1 directly contributes to movement performance after SCI. To address this question, we evaluated in five subjects...

article

Benthic habitat mapping of sorted bedforms using hydroacoustic and ground-truthing methods in a coastal area of the German Bight/North Sea

Edith Markert, Peter Holler, Ingrid Kröncke, Alexander Bartholomä

Estuarine, Coastal and Shelf Science > 2013 > 129 > Complete > 94-104

The continuously influence of human impacts on the seafloor and benthic habitats demands the knowledge of clearly defined habitats to assess recent conditions and to monitor future changes. In this study, a benthic habitat dominated by sorted bedforms was mapped in 2010 using biological, sedimentological and acoustic data. This approach reveals the first interdisciplinary analysis of macrofauna communities...

article

Real movement vs. motor imagery in healthy subjects

Yvonne Höller, Jürgen Bergmann, Martin Kronbichler, Julia Sophia Crone, more

International Journal of Psychophysiology > 2013 > 87 > 1 > 35-41

Motor imagery tasks are well established procedures in brain computer interfaces, but are also used in the assessment of patients with disorders of consciousness. For testing awareness in unresponsive patients it is necessary to know the natural variance of brain responses to motor imagery in healthy subjects.We examined 22 healthy subjects using EEG in three conditions: movement of both hands, imagery...

article

Individual brain-frequency responses to self-selected music

Yvonne Höller, Aljoscha Thomschewski, Elisabeth Verena Schmid, Peter Höller, more

International Journal of Psychophysiology > 2012 > 86 > 3 > 206-213

Music is a stimulus which may give rise to a wide range of emotional and cognitive responses. Therefore, brain reactivity to music has become a focus of interest in cognitive neuroscience. It is possible that individual preference moderates the effectof music on the brain.In the present study we examined whether there are common effects of listening to music even if each subject in a sample chooses...

article

Pelvic Limb Kinematics and Surface Electromyography of the Vastus Lateralis, Biceps Femoris, and Gluteus Medius Muscle in Dogs with Hip Osteoarthritis

Barbara Bockstahler, Cordula Kräutler, Peter Holler, Alexander Kotschwar, more

Veterinary Surgery > 41 > 1 > 54 - 62

ObjectiveTo measure the activity patterns of the vastus lateralis (VL), biceps femoris, and gluteus medius (GM) muscle at a walk in sound dogs and dogs with hip osteoarthritis (OA). AnimalsDogs (n = 10) with hip OA and 7 clinically sound dogs. MethodsSelf‐reflective markers and a high‐speed camera system were used for kinematic measurements and surface electrodes were used for the electromyography...

article

Snow forces on forest plants due to creep and glide

Peter Höller, Reinhard Fromm, Georg Leitinger

Forest Ecology and Management > 2009 > 257 > 2 > 546-552

Snow forces impede afforestation in the subalpine region; in particular juvenescent trees can be damaged by extraction from the ground. Such forces are mainly triggered by intense snow gliding which is a frequent phenomenon on slopes with a smooth ground surface.In this article we have investigated the effects of snow gliding processes on forest plants. The study area was situated on a south-facing...

article

Avalanche cycles in Austria: an analysis of the major events in the last 50 years

Peter Höller

Natural Hazards > 2009 > 48 > 3 > 399-424

During the last 50 years, an average of 30 persons per year was killed by avalanches in Austria. About one-third of all avalanche fatalities occurred as a result of so-called ‘catastrophic avalanches’. ‘Catastrophic avalanches’ are spontaneously released avalanches that affect villages and cause damage to property (buildings, roads and other infrastructure). The biggest avalanche events in Austria...

article

Development and validation of a spatial snow-glide model

Georg Leitinger, Peter Höller, Erich Tasser, Janette Walde, more

Ecological Modelling > 2008 > 211 > 3-4 > 363-374

Snow gliding is a key component leading to natural hazards, i.e. avalanches and erosions, and due to ongoing global changes has become a topic of major concern. Spatial information on snow gliding is important for management purposes, but, to date, lack of knowledge about key drivers for the snow-glide process hindered the development of a spatial snow-glide model (SSGM). We report the most important...

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Elsevier (9)
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Geo-Marine Letters (2)
International Journal of Psychophysiology (2)
Journal of Neural Transmission (2)
Natural Hazards (2)
Annals of Forest Science (1)
Aquatic Conservation: Marine and Freshwater Ecosystems (1)
Automotive and Engine Technology (1)
BMC Public Health (1)
Brain Research Bulletin (1)
Clinical Neurophysiology (1)
Cold Regions Science and Technology (1)
Diabetes, Obesity and Metabolism (1)
Ecological Modelling (1)
Estuarine, Coastal and Shelf Science (1)
Forest Ecology and Management (1)
Neuroscience Letters (1)
Veterinary Surgery (1)
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INFONA - science communication portal

Search results for: Peter Höller

Site selection for biogenic reef restoration in offshore environments: The Natura 2000 area Borkum Reef Ground as a case study for native oyster restoration

Holistic physical exercise training improves physical literacy among physically inactive adults: a pilot intervention study

Reduction in insulin degludec dosing for multiple exercise sessions improves time spent in euglycaemia in people with type 1 diabetes: A randomized crossover trial

Avalanche accidents and fatalities in Austria since 1946/47 with special regard to tourist avalanches in the period 1981/82 to 2015/16

Impact of cyclic lean–rich aging under DeSO_x condition on the lean-gas light-off and hydrogen formation ability of a lean NO_x trap (LNT)

Tools to evaluate seafloor integrity: comparison of multi-device acoustic seafloor classifications for benthic macrofauna-driven patterns in the German Bight, southern North Sea

Seafloor monitoring west of Helgoland (German Bight, North Sea) using the acoustic ground discrimination system RoxAnn

Serotonergic transmission after spinal cord injury

Subjective memory impairment and cholinergic transmission: a TMS study

Connectivity biomarkers can differentiate patients with different levels of consciousness

Snow gliding on a south-facing slope covered with larch trees

Fatigue-induced motor cortex excitability changes in subjects with spinal cord injury

The role of the ipsilateral primary motor cortex in movement control after spinal cord injury: A TMS study

Benthic habitat mapping of sorted bedforms using hydroacoustic and ground-truthing methods in a coastal area of the German Bight/North Sea

Real movement vs. motor imagery in healthy subjects

Individual brain-frequency responses to self-selected music

Pelvic Limb Kinematics and Surface Electromyography of the Vastus Lateralis, Biceps Femoris, and Gluteus Medius Muscle in Dogs with Hip Osteoarthritis

Snow forces on forest plants due to creep and glide

Avalanche cycles in Austria: an analysis of the major events in the last 50 years

Development and validation of a spatial snow-glide model

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