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   Articles with "head tilt" as a keyword



An optimal control approach for blood pressure regulation during head-up tilt

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recommendations! Published in 2018 at "Biological Cybernetics"

DOI: 10.1007/s00422-018-0783-9

Abstract: This paper presents an optimal control approach to modeling effects of cardiovascular regulation during head-up tilt (HUT). Many patients who suffer from dizziness or light-headedness are administered a head-up tilt test to explore potential deficits… read more here.

Keywords: control; head tilt; control approach; optimal control ... See more keywords

Evaluation of autonomic functions of patients with multiple system atrophy and Parkinson’s disease by head-up tilt test

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recommendations! Published in 2017 at "Journal of Neural Transmission"

DOI: 10.1007/s00702-017-1816-6

Abstract: The aim of this study was to evaluate the autonomic neural function in Parkinson’s disease (PD) and multiple system atrophy (MSA) with head-up tilt test and spectral analysis of cardiovascular parameters. This study included 15… read more here.

Keywords: tilt test; head tilt; system atrophy; parkinson disease ... See more keywords

Horizontal transposition of the vertical rectus muscles to correct a head tilt in 5 patients with idiopathic nystagmus syndrome.

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recommendations! Published in 2020 at "American journal of ophthalmology"

DOI: 10.1016/j.ajo.2020.04.034

Abstract: PURPOSE Patients with idiopathic nystagmus syndrome often develop an abnormal head position. A horizontal face turn can be treated with the augmented Kestenbaum procedure, while patients with a chin up or chin down position can… read more here.

Keywords: head; head tilt; transposition vertical; vertical rectus ... See more keywords

Demographic and clinical features of pediatric patients with orthostatic intolerance and an abnormal head-up tilt table test; A retrospective descriptive study.

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recommendations! Published in 2019 at "Pediatrics and neonatology"

DOI: 10.1016/j.pedneo.2019.06.012

Abstract: BACKGROUND Clinical presentation varies in children with Orthostatic Intolerance. This study aimed to evaluate the epidemiological and clinical characteristics of pediatric patients with orthostatic intolerance (OI) and positive head-up tilt test (HUTT). METHODS This study… read more here.

Keywords: head tilt; pediatric patients; presentation; orthostatic intolerance ... See more keywords

Sixty days of head-down tilt bed rest with or without artificial gravity do not affect the neuromuscular secretome.

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recommendations! Published in 2020 at "Experimental cell research"

DOI: 10.1016/j.yexcr.2020.112463

Abstract: Artificial gravity is a potential countermeasure to attenuate effects of weightlessness during long-term spaceflight, including losses of muscle mass and function, possibly to some extent attributable to disturbed neuromuscular interaction. The 60-day AGBRESA bed-rest study… read more here.

Keywords: rest without; head tilt; artificial gravity; bed rest ... See more keywords

Quantitative ultrasound image assessment of the optic nerve subarachnoid space during 90-day head-down tilt bed rest

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recommendations! Published in 2024 at "NPJ Microgravity"

DOI: 10.1038/s41526-024-00347-x

Abstract: The elevation in the optic nerve sheath (ONS) pressure (ONSP) due to microgravity-induced headward fluid shift is the primary hypothesized contributor to SANS. This longitudinal study aims to quantify the axial plane of the optic… read more here.

Keywords: subarachnoid space; nerve; nerve subarachnoid; bed rest ... See more keywords

Daily artificial gravity partially mitigates vestibular processing changes associated with head-down tilt bedrest

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recommendations! Published in 2024 at "NPJ Microgravity"

DOI: 10.1038/s41526-024-00367-7

Abstract: Microgravity alters vestibular signaling and reduces body loading, driving sensory reweighting. The unloading effects can be modelled using head-down tilt bedrest (HDT). Artificial gravity (AG) has been hypothesized to serve as an integrated countermeasure for… read more here.

Keywords: hdt; activation; tilt bedrest; head tilt ... See more keywords

Effect of artificial gravity on neurocognitive performance during head-down tilt bedrest

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recommendations! Published in 2024 at "NPJ Microgravity"

DOI: 10.1038/s41526-024-00405-4

Abstract: This study evaluated the acute and chronic effects of intermittent and continuous Artificial Gravity (AG) on cognitive performance during 60 days of Head-down tilt bedrest (HDTBR), a well-established ground-based spaceflight analogue method. Participants were randomly… read more here.

Keywords: effect; artificial gravity; performance; tilt bedrest ... See more keywords

Heterogeneous and lateralized cervical vascular responses to a 7-day head-down tilt bed rest

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recommendations! Published in 2025 at "NPJ Microgravity"

DOI: 10.1038/s41526-025-00524-6

Abstract: This study aimed to investigate cervical vessel hemodynamics during 7 days of −6° head-down tilt (HDT) bed rest (BR) and 5 days of recovery in 40 healthy males, focusing on bilateral analysis and dynamic temporal… read more here.

Keywords: heterogeneous lateralized; cervical vascular; vascular responses; lateralized cervical ... See more keywords

Model-based spectral causality of cardiovascular variability interactions during head-down tilt

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recommendations! Published in 2023 at "Physiological Measurement"

DOI: 10.1088/1361-6579/acce1f

Abstract: Objective. Cardiovascular control mechanisms are commonly studied during baroreceptor unloading induced by head-up tilt. Conversely, the effect of a baroreceptor loading induced by head-down tilt (HDT) is less studied especially when the stimulus is of… read more here.

Keywords: causality; head tilt; variability; model based ... See more keywords

Assessment of Listening Effort by Eye Blinks and Head Tilt Angle Using a Glasses-Type Wearable Device.

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recommendations! Published in 2025 at "Ear and hearing"

DOI: 10.1097/aud.0000000000001688

Abstract: OBJECTIVES Listening effort is the mental effort that increases in situations where listening is challenging. Objective indicators are needed to assess listening effort, but no established testing methods can be performed in a daily environment.… read more here.

Keywords: effort; eye blinks; tilt angle; head tilt ... See more keywords