Corticospinal excitability after 5-day Dry Immersion in women. 2023

Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
Laboratory of Gravitational Physiology of the Sensorimotor System, Institute of Biomedical Problems of the Russian Academy of Sciences, Moscow, Russia.

In light of the development of manned astronautics and the increasing participation of women in space flights, the question of female body adaptation to microgravity conditions becomes relevant. Currently, one of the important directions in this issue is to study the effects of support withdrawal as a factor of weightlessness on the human sensorimotor system. Dry Immersion is one of the well-known ground-based models, which adequately reproduces the main physiological effects of space flight. The aim of this study was to evaluate the changes in motor evoked potentials of the lower leg gravity-dependent muscles in women after a 5-day Dry Immersion. We analyzed evoked responses to transcranial and trans-spinal magnetic stimulation. In this method, areas of interest (the motor cortex and lumbosacral thickening of the spinal cord) are stimulated with an electromagnetic stimulus. The experiment was conducted with the participation of 16 healthy female volunteers with a natural menstrual cycle. The thresholds, amplitudes, and latencies of motor potentials evoked by magnetic stimulation were assessed. We showed that 5-day exposure to support withdrawal leads to a decrease in motor-evoked potential thresholds and central motor conduction time, although changes in motor response amplitudes were ambiguous. The data obtained correspond to the results of previous research on Dry Immersion effects on the sensorimotor system in men.

UI MeSH Term Description Entries
D007101 Immersion The placing of a body or a part thereof into a liquid. Submersion,Immersions,Submersions
D008297 Male Males
D011712 Pyramidal Tracts Fibers that arise from cells within the cerebral cortex, pass through the medullary pyramid, and descend in the spinal cord. Many authorities say the pyramidal tracts include both the corticospinal and corticobulbar tracts. Corticobulbar Tracts,Corticospinal Tracts,Decussation, Pyramidal,Corticobulbar Tract,Corticospinal Tract,Pyramidal Decussation,Pyramidal Tract,Tract, Corticobulbar,Tract, Corticospinal,Tract, Pyramidal,Tracts, Corticobulbar,Tracts, Corticospinal,Tracts, Pyramidal
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013116 Spinal Cord A cylindrical column of tissue that lies within the vertebral canal. It is composed of WHITE MATTER and GRAY MATTER. Coccygeal Cord,Conus Medullaris,Conus Terminalis,Lumbar Cord,Medulla Spinalis,Myelon,Sacral Cord,Thoracic Cord,Coccygeal Cords,Conus Medullari,Conus Terminali,Cord, Coccygeal,Cord, Lumbar,Cord, Sacral,Cord, Spinal,Cord, Thoracic,Cords, Coccygeal,Cords, Lumbar,Cords, Sacral,Cords, Spinal,Cords, Thoracic,Lumbar Cords,Medulla Spinali,Medullari, Conus,Medullaris, Conus,Myelons,Sacral Cords,Spinal Cords,Spinali, Medulla,Spinalis, Medulla,Terminali, Conus,Terminalis, Conus,Thoracic Cords
D050781 Transcranial Magnetic Stimulation A technique that involves the use of electrical coils on the head to generate a brief magnetic field which reaches the CEREBRAL CORTEX. It is coupled with ELECTROMYOGRAPHY response detection to assess cortical excitability by the threshold required to induce MOTOR EVOKED POTENTIALS. This method is also used for BRAIN MAPPING, to study NEUROPHYSIOLOGY, and as a substitute for ELECTROCONVULSIVE THERAPY for treating DEPRESSION. Induction of SEIZURES limits its clinical usage. Transcranial Magnetic Stimulation, Paired Pulse,Transcranial Magnetic Stimulation, Repetitive,Transcranial Magnetic Stimulation, Single Pulse,Magnetic Stimulation, Transcranial,Magnetic Stimulations, Transcranial,Stimulation, Transcranial Magnetic,Stimulations, Transcranial Magnetic,Transcranial Magnetic Stimulations
D018482 Muscle, Skeletal A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated and their movement can be consciously controlled. They are also called voluntary muscles. Anterior Tibial Muscle,Gastrocnemius Muscle,Muscle, Voluntary,Plantaris Muscle,Skeletal Muscle,Soleus Muscle,Muscle, Anterior Tibial,Muscle, Gastrocnemius,Muscle, Plantaris,Muscle, Soleus,Muscles, Skeletal,Muscles, Voluntary,Skeletal Muscles,Tibial Muscle, Anterior,Voluntary Muscle,Voluntary Muscles
D019054 Evoked Potentials, Motor The electrical response evoked in a muscle or motor nerve by electrical or magnetic stimulation. Common methods of stimulation are by transcranial electrical and TRANSCRANIAL MAGNETIC STIMULATION. It is often used for monitoring during neurosurgery. Motor Evoked Potentials,Evoked Potential, Motor,Motor Evoked Potential,Potential, Motor Evoked,Potentials, Motor Evoked

Related Publications

Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
January 2011, Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine,
Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
January 2011, Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine,
Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
September 2022, American journal of physiology. Regulatory, integrative and comparative physiology,
Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
January 2008, Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine,
Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
January 2011, Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine,
Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
January 2011, Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine,
Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
January 2011, Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine,
Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
January 2016, PloS one,
Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
February 2023, International journal of molecular sciences,
Inna Nosikova, and Alexandra Riabova, and Vladimir Kitov, and Elena Tomilovskaya
January 2021, Frontiers in neural circuits,
Copied contents to your clipboard!