Bioelectrical activity of the central nervous system among populations in a rare earth element area

1997 ◽  
Vol 57 (1) ◽  
pp. 71-77 ◽  
Author(s):  
Weifang Zhu ◽  
Suqin Xu ◽  
Pingping Shao ◽  
Hui Zhang ◽  
Dongsen Wu ◽  
...  
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Rare Earth ◽  
Rare Earth Element ◽  
Earth Element ◽  
Bioelectrical Activity ◽  
The Central Nervous System

Lanthanum chloride induces neuron damage by activating the nuclear factor-kappa B signaling pathway in activated microglia

Metallomics ◽  
2019 ◽  
Vol 11 (7) ◽  
pp. 1277-1287 ◽  
Author(s):  
Licheng Yan ◽  
Jinghua Yang ◽  
Miao Yu ◽  
Yanxin Lu ◽  
Liling Huang ◽  
...  
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Rare Earth ◽  
Adverse Effects ◽  
Signaling Pathway ◽  
Earth Element ◽  
Nuclear Factor Kappa B ◽  
Nuclear Factor ◽  
Neuron Damage ◽  
The Central Nervous System

Lanthanum is a rare earth element which can have adverse effects on the central nervous system (CNS).

scholarly journals Analysis of electrogenesis’ changes in mental retardation persons by using computer electroencephalography

2021 ◽  
Vol 11 (11) ◽  
pp. 249-265
Author(s):  
B. Lobasyuk ◽  
L. Bartsevich ◽  
A. Zamkovaya
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Mental Retardation ◽  
Theta Rhythm ◽  
Cognitive Activity ◽  
Control Group ◽  
Bioelectrical Activity ◽  
The Central Nervous System ◽  
Beta Rhythms ◽  
The Brain

Justification. Mental retardation is a persistent decrease in human cognitive activity against the background of organic damage to the central nervous system. Neurophysiological diagnostics, in particular electroencephalography (EEG), most adequately reflects the morpho-functional state of the central nervous system, which is the basis of the mechanisms of mental activity, and the originality of the bioelectrical activity of the brain can be considered as the main indicator that determines a decrease in the level of intellectual development and, thereby, characterizes this state. This provision actualizes the search for highly informative indicators of the originality of the bioelectrical activity of the brain in children with intellectual disabilities. Purspose. With the use of periodometric analysis investigate EEG’s indicators and interhemispheric asymmetry of rhythms amplitudes in MR patients. Materials and methods. The EEG was recorded in a state of calm wakefulness with closed eyes with Neuron-Spectrum-2 electroencephalograph. Differences in indicators were tracked using the calculation of the coefficient of compliance (CC), EEG functional asymmetry coefficients in amplitude were determined, too. Results. It was revealed that in MR patients the amplitudes of the rhythms were greater than in healthy subjects. The greatest increase was determined in theta rhythm in the anterior temporal and posterior temporal leads in the left hemispheres. Duration indices in the delta, theta and alpha ranges of the EEG in mental retardation compared with the control group were increased, and the indices of the duration of beta rhythms - decreased. When analyzing FMPA in MR persons it turned out that in right-handers the negativeness of FMPA indices increased, and in left-handers there was an increase in the positivity of FMPA indices. Conclusions 1. With mental retardation, the amplitudes of the rhythms were greater than in healthy people. The greatest increase was determined in theta rhythm in the anterior temporal and posterior temporal leads in the left hemispheres. 2. The indices of duration in the delta, theta and alpha ranges of the EEG of MR subjects were increased, and the indices of the duration of beta rhythms – decreased. 3. When analyzing FMPA in MR persons, it turned out that in right-handers the negativeness of FMPA indices increased, and in left-handers there was an increase in the positivity of FMPA indices.

scholarly journals CHARACTERISTICS OF HEART RATE IN LATE PREMATURE NEWBORNS WITH PERINATAL AFFECTION OF CENTRAL NERVOUS SYSTEM

2020 ◽  
Vol 20 (3) ◽  
pp. 30-35
Author(s):  
H.O. Soloviova
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Premature Infants ◽  
Bioelectrical Activity ◽  
Correct Treatment ◽  
Premature Babies ◽  
Group I ◽  
The Central Nervous System ◽  
Group Ii

The adaptation of late premature babies to the new life conditions is difficult and requires careful monitoring of all vital parameters in the postnatal period. The general immaturity of the newborns in combination with the metabolic and hypoxic disorders "leaves only a narrow corridor" to develop babies their compensatory possibilities. There is an urgent need to investigate posthypoxic myocardial ischemia in newborns due to the fact that in the neonatal period, early diagnosis and correct treatment can prevent long-term adverse consequences of existing disorders. The aim of this study was to develop an approach for early detection of cardiac rhythm disturbances and conduction disorders in late premature infants, who underwent perinatal hypoxia. A single-center study included 93 late premature babies who were born at the Perinatal Center, Poltava, in 2019 – 2020. Group I consisted of newborns (n ​​= 47) with hypoxic-ischemic damage of the central nervous system; group II included premature babies (n = 46) with hypoxic-hemorrhagic damage of the central nervous system. Long-term monitoring of the electrocardiogram was performed with further conversion of the altered QRST-QRST complexes into 2D format with a multi-coloured representation of all components of the ventricular electrical systole. Among heterotopic cardiac arrhythmias, supraventricular extrasystoles were most often recorded in 89.4 ± 4.8% of the children of group I and in 67.4 ± 6.1% of newborns in group II with daytime distribution in both groups. Ventricular extrasystoles were found as significantly more frequent in newborns of group I (21.3 ± 6.3%) compared with children in group II (10.9 ± 6.1%), with a significant increase in the area of ​​ectopic ventricular complexes (1492.2) that indicates a prolonged depolarization process. The study of the bioelectrical activity of the heart based on the findings obtained by monitoring the electrocardiogram with the qualitative and quantitative analysis of the convertible QRST-QRST complexes increases the efficiency of visual diagnosis of electrical instability of the myocardium in late premature infants with perinatal damage of the central nervous system.

Effects of Hyperoxia on Lung Utrastructure

1970 ◽  
Vol 28 ◽  
pp. 26-27
Author(s):  
Gladys Harrison
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Light Microscopy ◽  
Oxygen Effects ◽  
Age Dependent ◽  
The Central Nervous System ◽  
The Subject ◽  
Space Age ◽  
Alveolar Septa ◽  
Extensive Damage

With the advent of the space age and the need to determine the requirements for a space cabin atmosphere, oxygen effects came into increased importance, even though these effects have been the subject of continuous research for many years. In fact, Priestly initiated oxygen research when in 1775 he published his results of isolating oxygen and described the effects of breathing it on himself and two mice, the only creatures to have had the “privilege” of breathing this “pure air”.Early studies had demonstrated the central nervous system effects at pressures above one atmosphere. Light microscopy revealed extensive damage to the lungs at one atmosphere. These changes which included perivascular and peribronchial edema, focal hemorrhage, rupture of the alveolar septa, and widespread edema, resulted in death of the animal in less than one week. The severity of the symptoms differed between species and was age dependent, with young animals being more resistant.

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