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Virtual reality interface devices in the reorganization of neural networks in the brain of patients with neurological diseases

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Neural Regeneration Research 2014年第8期9卷 888-896页

作者： Valeska Gatica-Rojas guillermo méndez-rebolledo Laboratory of Human motor Control Faculty of Health SciencesUniversity of Talca Laboratory of Human motor Control School of KinesiologyFaculty of Health SciencesUniversity of Talca

Two key characteristics of all virtual reality applications are interaction and immersion. Systemic interaction is achieved through a variety of multisensory channels （hearing, sight, touch, and smell）, permitting the user to interact with the virtual world in real time. Immersion is the degree to which a person can feel wrapped in the virtual world through a defined interface. Virtual real- ity interface devices such as the Nintendo~ Wii and its peripheral nunchuks-balance board, head mounted displays and joystick allow interaction and immersion in unreal environments created from computer software. Virtual environments are highly interactive, generating great activation of visual, vestibular and proprioceptive systems during the execution of a video game. In addi- tion, they are entertaining and safe for the user. Recently, incorporating therapeutic purposes in virtual reality interface devices has allowed them to be used for the rehabilitation of neurological patients, e.g., balance training in older adults and dynamic stability in healthy participants. The improvements observed in neurological diseases （chronic stroke and cerebral palsy） have been shown by changes in the reorganization of neural networks in patients＇ brain, along with better hand function and other skills, contributing to their quality of life. The data generated by such studies could substantially contribute to physical rehabilitation strategies.

关键词： nerve regeneration virtual reality virtual environment virtual reality exposuretherapy rehabilitation stroke postural balance cerebral palsy aged review nintendo wii balanceboard neural regeneration

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Differences in standing balance between patients with diplegic and hemiplegic cerebral palsy

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Neural Regeneration Research 2013年第26期8卷 2478-2483页

作者： Valeska Gatica Rojas guillermo méndez rebolledo Eduardo Guzman muoz Natalia Ibarra Cortés Caterine Berrios Gaete Carlos manterola Delgado Laboratory of Human motor Control Faculty of Health Sciences University of Talca Laboratory of Human motor Control School of Kinesiology Faculty of Health Sciences University of Talca School of Kinesiology University Santo Tomas Student School of Kinesiology Faculty of Health Sciences University of Talca Program in medical Sciences University of the Frontera

maintaining standing postural balance is important for walking and handling abilities in patients with cerebral palsy. This study included 23 patients with cerebral palsy （seven with spastic diplegia and 16 with spastic hemiplegia）, aged from 7 to 16 years of age. Standing posture balance measurements were performed using an AmTI model OR6-7 force platform with the eyes open and closed. Patients with diplegic cerebral palsy exhibited greater center of pressure displacement areas with the eyes open and greater center of pressure sway in the medial-lateral direction with the eyes open and closed compared with hemiplegic patients, Thus, diplegic patients exhibited weaker postural balance control ability and less standing stability compared with hemiplegic cerebral palsy patients.

关键词： neural regeneration cerebral palsy postural balance postural control center of pressure children diplegia hemiplegia grants-supported paper neuroregeneration

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Increased CO2 Levels during the First Half of Incubation at High Altitude modifies Embryonic Development of Fertile Leghorn Breeder Eggs

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Food and Nutrition Sciences 2024年第7期15卷 524-547页

作者： marco A. Juárez-Estrada Erik I. López-Ruiz Sonia López-Cordova guillermo Tellez-Isaias Omar F. Prado-rebolledo Departamento de medicina y Zootecnia de Aves Facultad de Medicina Veterinaria y Zootecnia Universidad Nacional Autnoma de Mxico Ciudad de Mxico Mxico Department of Poultry Science Division of Agriculture University of Arkansas Fayetteville USA Facultad de medicina Veterinaria y Zootecnia Universidad de Colima Tecomn Mxico

The exchange of oxygen (O2) and carbon dioxide (CO2) within an incubator has a significant impact on embryonic development (ED) and hatching processes. This study examines the influence of non-ventilation (NV) conditions during the first ten days of incubation at high altitudes on Leghorn hens hatching eggs. Five hundred four hatching eggs were equally divided into three treatment groups and placed in twelve incubators (R = 4). The first group was subjected to standard ventilated conditions (V) during the setting phase. The ventilation inlet holes of the remaining incubators in the NV treatments were closed with either micropore (m) or polypropylene (P) tape, referred to as NVm and NVP groups, respectively. These two different airtight settings were intended to allow for a gradual rise in CO2 naturally generated by the embryos. Results indicate that carbon dioxide concentration gradually increased during the first half of incubation, reaching 1.42% in the NVm group and 1.20% in the NVP group, while the V condition group remained at 0.15%. From 10 days of incubation onwards, normal V conditions were restored in all incubators. The highest hatchability of fertile eggs (HFE) was shown by the NVP group (55.7%), followed by the V (52.6%) and NVm (38.6%) groups. The NVP group showed a greater yolk-free body mass (YFBm) from 10 days of incubation until the hatch basket transfer. NV conditions during the first 10 days of incubation at high altitude produced higher YFBm with gradually decreasing yolk sac mass. In comparison to the NVm and V conditions, the particular NVP condition showed a beneficial impact on the quality of hatched chicks. Sustaining NVP condition (1.2% of CO2) throughout the first half of incubation at high altitude generated the optimal environment in the incubator ensuring the best hatchability results. This study highlights how important it is for hatchery managers to recognize the influence of low O2 and high levels of CO2 on the development trajectori

关键词： Non-Ventilation Hypercapnia Hypoxia Egg mass Loss Hatchability Embryonic mortality Hatchling Chick Quality

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Fatty Acid Deposition on Broiler meat in Chickens Supplemented with Tuna Oil

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Food and Nutrition Sciences 2013年第9期4卷 16-20页

作者： Jesus Eduardo morales-Barrera mariano Jesus Gonzalez-Alcorta Rosa maria Castillo-Dominguez Omar Francisco Prado-rebolledo Xochitl Hernandez-Velasco Anita menconi guillermo Tellez Billy marshal Hargis Silvia Carrillo-Dominguez Departamento de Producción Agrícola y Animal Universidad Autónoma Metropolitana México City México Department of Poultry Science University of Arkansas Fayetteville USA. Depto. Nutrición Animal Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán México City México Facultad de medicina Veterinaria y Zootecnia Universidad de Colima Colima México Facultad de medicina Veterinaria y Zootecnia Universidad Nacional Autónoma de México México City México Universidad Autónoma Chapingo Estado de México México

The aim of the present study was to evaluate the effect of feeding four levels of tuna oil on performance and fatty acid (FA) profiles of broiler chicken meat. 240 Ross broiler chickens were randomly assigned to 20 pens and divided into four treatments: 0%, 0.75%, 1%, and 1.25% of tuna oil. At 49 days, breast and legs-thighs muscles were processed for FA analysis. Concentrations of FA in legs and thighs meat were significantly higher when compared with breast meat. In both types of meats (breast and legs-thighs), the inclusion of 1.0% or 1.25% of tuna oil in the diet significantly increased (P monosaturated FA (mFA): 35% polyunsaturated FA (PUFA);while legs and thighs meat had a proportion of 28% SFA: 38% mFA: 33% PUFA. The addition of tuna oil in the broiler diet significantly reduced the deposition of SFA, mFA, and PUFA in breast meat, while in legs and thighs these reductions were less noticeable. The significant reduction in the concentration of n-6 PUFA and the increment of n-3 PUFA were more evident in breast than in legs and thighs, and with the addition of 1% and 1.25% of tuna oil. The results of the present study suggest a difference in FA deposition attributable to supplementation with tuna oil. The addition of tuna oil could be recommendable to increase n-3 PUFA in both broiler chicken breast and legs-thighs meats, providing a healthier and functional chicken meat to consumer.

关键词： n-3 Fatty Acids Broilers Tuna Oil Breast meat Legs and Thighs meat

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Effect of Time and Fatty Acid Composition in Eggs of White Leghorn Hens Supplemented with Tuna Oil

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Food and Nutrition Sciences 2013年第9期4卷 39-44页

作者： Jesus Eduardo morales-Barrera mariano Jesus Gonzalez-Alcorta Rosa maria Castillo-Dominguez Omar Francisco Prado-rebolledo Jose Luis Vazquez Xochitl Hernandez-Velasco guillermo Tellez Anita menconi Billy marshal Hargis Silvia Carrillo-Dominguez Departamento de Producción Agrícola y Animal Universidad Autónoma Metropolitana México City México Department of Poultry Science University of Arkansas Fayetteville USA. Depto. Nutrición Animal Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán México City México Facultad de medicina Veterinaria y Zootecnia Universidad de Colima Colima México Facultad de medicina Veterinaria y Zootecnia Universidad Nacional Autónoma de México México City México Universidad Autónoma Chapingo Estado de México México

The study evaluated the effect of time and fatty acid (FA) composition in eggs of laying hens supplemented with tuna oil (TO). Two hundred White Leghorn hens 30-week were divided into 5 treatments with 4 replicates of 10 birds each. Treatments were assigned randomly and consisted of 0%, 0.75%, 1.50%, 2.25% and 3% TO in commercial sorghum-soybean meal diets, in which the soybean oil was partially replaced. The experiment was conducted for 90 days. At days 28, 56 and 84 of the experiment, 10 eggs per replicate were collected for chemical analysis. Feed intake, egg production rate, egg weight, and feed conversion were not influenced by dietary treatment. FA content was significantly altered (P mentation with TO, and that TO can serve as a reasonable alternative feed ingredient in layer diets to produce a healthier choice of egg.

关键词： Egg Enrichment Laying Hens n-3 Fatty Acids Tuna Oil

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