Human ocular torsion during parabolic flights: an analysis with scleral search coil

1992 ◽  
Vol 90 (1) ◽  
Author(s):  
B.S.K. Cheung ◽  
K. Money ◽  
I. Howard ◽  
N. Kirienko ◽  
W. Johnson ◽  
...  
Keyword(s):  
Ocular Torsion ◽  
Parabolic Flights ◽  
Search Coil

Reflex ocular torsion in healthy males.

1958 ◽  
Author(s):  
Richard C. Woellner ◽  
Ashton Graybiel
Keyword(s):  
Ocular Torsion ◽  
Healthy Males

MEASUREMENTS OF PHORETIC VELOCITIES IN MICROGRAVITY CONDITIONS OF PARABOLIC FLIGHTS

2001 ◽  
Vol 32 ◽  
pp. 941-942
Author(s):  
F. PRODI ◽  
F. DUBOIS ◽  
A.A. VEDERNIKOV ◽  
G. SANTACHIARA ◽  
C. CORNETTI ◽  
...  
Keyword(s):  
Parabolic Flights ◽  
Microgravity Conditions

Search Coil based Online Diagnostics of Transformer Internal Faults

2017 ◽  
pp. 1-1 ◽  
Author(s):  
Prasad A. Venikar ◽  
Makarand S. Ballal ◽  
Bhimrao S. Umre ◽  
Hiralal M. Suryawanshi
Keyword(s):  
Search Coil ◽  
Internal Faults

Fluxgate and Search Coil Hybrid: A Low-Noise Wide-Band Magnetometer

2012 ◽  
Vol 48 (11) ◽  
pp. 3700-3703 ◽  
Author(s):  
Feng Han ◽  
Shoumu Harada ◽  
Ichiro Sasada
Keyword(s):  
Wide Band ◽  
Low Noise ◽  
Search Coil

Dynamics of Single Hydrogen Bubbles at Pt Microelectrodes in Microgravity

2021 ◽  
Author(s):  
Aleksandr Bashkatov ◽  
Xuegeng Yang ◽  
Gerd Mutschke ◽  
Barbara Fritzsche ◽  
Syed Sahil Hossain ◽  
...  
Keyword(s):  
Parabolic Flights ◽  
Hydrogen Bubbles ◽  
Bubble Evolution

The dynamics of single hydrogen bubbles electrogenerated in acidic electrolytes at a Pt microelectrode under potentiostatic conditions is investigated in microgravity during parabolic flights. Three bubble evolution scenarios have been...

scholarly journals The use of a neck brace does not influence visual vertical perception

2011 ◽  
Vol 69 (3) ◽  
pp. 509-512 ◽  
Author(s):  
Martha Funabashi ◽  
Natya N.L. Silva ◽  
Luciana M. Watanabe ◽  
Taiza E.G Santos-Pontelli ◽  
José Fernando Colafêmina ◽  
...  
Keyword(s):  
Healthy Volunteers ◽  
Healthy Subjects ◽  
Afferent Input ◽  
Subjective Visual Vertical ◽  
Sensory Receptors ◽  
Ocular Torsion ◽  
Vertical Orientation ◽  
Mean Values ◽  
Visual Vertical ◽  
The Mean

Subjective visual vertical (SVV) evaluates the individual's capacity to determine the vertical orientation. Using a neck brace (NB) allow volunteers' heads fixation to reduce cephalic tilt during the exam, preventing compensatory ocular torsion and erroneous influence on SVV result. OBJECTIVE: To analyze the influence of somatosensory inputs caused by a NB on the SVV. METHOD: Thirty healthy volunteers performed static and dynamic SVV: six measures with and six without the NB. RESULTS: The mean values for static SVV were -0.075º±1.15º without NB and -0.372º±1.21º with NB. For dynamic SVV in clockwise direction were 1.73º±2.31º without NB and 1.53º±1.80º with NB. For dynamic SVV in counterclockwise direction was -1.50º±2.44º without NB and -1.11º±2.46º with NB. Differences between measurements with and without the NB were not statistically significant. CONCLUSION: Although the neck has many sensory receptors, the use of a NB does not provide sufficient afferent input to change healthy subjects' perception of visual verticality.

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