Contrast Sensitivity of Visual System in 5-Day “Dry” Immersion with a Course of High-Frequency Electromyostimulation

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Contrast Sensitivity of Visual System in 5-Day “Dry” Immersion with a Course of High-Frequency Electromyostimulation. / Shoshina, I. I.; Zelenskaya, I. S.; Karpinskaya, V. Yu; Tomilovskaya, E. S.

в: Human Physiology, Том 48, № 2, 01.04.2022, стр. 145-151.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{855e1fca0f564705be21ce3571652774,

title = "Contrast Sensitivity of Visual System in 5-Day “Dry” Immersion with a Course of High-Frequency Electromyostimulation",

abstract = "Abstract: We aimed to study the sensitivity of the visual system in 5-day “dry” immersion (DI) with a course of high-frequency electromyostimulation (HFEMS). The contrast sensitivity of the visual system was estimated in different spatial frequency ranges, indicating the functional state of the magnocellular and parvocellular neuronal systems that form the dorsal and ventral pathways from the occipital to the frontal regions of the cerebral cortex. The power of visual illusions was also assessed using a motor response by “tracing” (with and without visual feedback). Six volunteers were tested before the onset of immersion, on the 1st, 3rd, 5th days of DI, and also after its completion. Every day, the volunteers were exposed to HFEMS. It is shown that there are no significant changes in the contrast sensitivity of the visual system in the low spatial frequency range, to which the magnocellular system is specific, when the conditions of gravity change (gravity–microgravity–gravity), compared with immersion without additional influences. It can be assumed that HFEMS, increasing the afferent flow under conditions of its deficit during support unloading, normalizes the interaction of the dorsal and ventral visual pathways.",

keywords = "adaptation, contrast sensitivity, electromyostimulation, gravity, magnocellular system, mismatch of neural systems, “dry” immersion",

author = "Shoshina, {I. I.} and Zelenskaya, {I. S.} and Karpinskaya, {V. Yu} and Tomilovskaya, {E. S.}",

note = "Publisher Copyright: {\textcopyright} 2022, Pleiades Publishing, Inc.",

year = "2022",

month = apr,

day = "1",

doi = "10.1134/s036211972202013x",

language = "English",

volume = "48",

pages = "145--151",

journal = "Human Physiology",

issn = "0362-1197",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "2",

}

RIS

TY - JOUR

T1 - Contrast Sensitivity of Visual System in 5-Day “Dry” Immersion with a Course of High-Frequency Electromyostimulation

AU - Shoshina, I. I.

AU - Zelenskaya, I. S.

AU - Karpinskaya, V. Yu

AU - Tomilovskaya, E. S.

PY - 2022/4/1

Y1 - 2022/4/1

N2 - Abstract: We aimed to study the sensitivity of the visual system in 5-day “dry” immersion (DI) with a course of high-frequency electromyostimulation (HFEMS). The contrast sensitivity of the visual system was estimated in different spatial frequency ranges, indicating the functional state of the magnocellular and parvocellular neuronal systems that form the dorsal and ventral pathways from the occipital to the frontal regions of the cerebral cortex. The power of visual illusions was also assessed using a motor response by “tracing” (with and without visual feedback). Six volunteers were tested before the onset of immersion, on the 1st, 3rd, 5th days of DI, and also after its completion. Every day, the volunteers were exposed to HFEMS. It is shown that there are no significant changes in the contrast sensitivity of the visual system in the low spatial frequency range, to which the magnocellular system is specific, when the conditions of gravity change (gravity–microgravity–gravity), compared with immersion without additional influences. It can be assumed that HFEMS, increasing the afferent flow under conditions of its deficit during support unloading, normalizes the interaction of the dorsal and ventral visual pathways.

AB - Abstract: We aimed to study the sensitivity of the visual system in 5-day “dry” immersion (DI) with a course of high-frequency electromyostimulation (HFEMS). The contrast sensitivity of the visual system was estimated in different spatial frequency ranges, indicating the functional state of the magnocellular and parvocellular neuronal systems that form the dorsal and ventral pathways from the occipital to the frontal regions of the cerebral cortex. The power of visual illusions was also assessed using a motor response by “tracing” (with and without visual feedback). Six volunteers were tested before the onset of immersion, on the 1st, 3rd, 5th days of DI, and also after its completion. Every day, the volunteers were exposed to HFEMS. It is shown that there are no significant changes in the contrast sensitivity of the visual system in the low spatial frequency range, to which the magnocellular system is specific, when the conditions of gravity change (gravity–microgravity–gravity), compared with immersion without additional influences. It can be assumed that HFEMS, increasing the afferent flow under conditions of its deficit during support unloading, normalizes the interaction of the dorsal and ventral visual pathways.

KW - adaptation

KW - contrast sensitivity

KW - electromyostimulation

KW - gravity

KW - magnocellular system

KW - mismatch of neural systems

KW - “dry” immersion

UR - http://www.scopus.com/inward/record.url?scp=85128542217&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/5ed03e25-5064-3cfd-9b13-5525b386fe65/

U2 - 10.1134/s036211972202013x

DO - 10.1134/s036211972202013x

M3 - Article

AN - SCOPUS:85128542217

VL - 48

SP - 145

EP - 151

JO - Human Physiology

JF - Human Physiology

SN - 0362-1197

IS - 2

ER -

ID: 94720588