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Executive functions and the ω-6-to-ω-3 fatty acid ratio: a cross-sectional study
fatty acids executive functions middle childhood CANTAB Electric Maze Task
2018/11/12
Background: The ω-6 (n–6) to ω-3 (n–3) fatty acid (FA) ratio (n–6:n–3 ratio) was previously shown to be a predictor of executive function performance in children aged 7–9 y.
周围神经缺损修复新方法——神经延长术
周围神经 神经延长 神经缺损 修复
2018/11/30
周围神经缺损在临床上常见，也是临床治疗的难点［1］。创伤性神经缺失、神经肿瘤医源性切除、神经延期修复时的神经短缩等均可导致不同程度的神经缺损［2-5］，我国每年周围神经缺损患者高达30~50万例。对于小的周围神经缺损，可通过神经游离、转位、改变患肢体位和姿势等方法，将神经两断端接近后进行直接缝合［6］。对于较大的周围神经缺损，应用上述方法无法达到神经的无张力修复时，则需采用其他方法进行神经修复。
目的：基于组织异体移植技术，研究将正常SD（Sprague-Dawley）大鼠阴茎海绵体组织和盆神经节移植到Nu/Nu裸鼠肾被膜下的可行性。方法：无菌条件下获取SD大鼠阴茎组织和盆神经节，在手术显微镜下将上述组织移植到Nu/Nu裸鼠肾被膜下，分别于移植后1周和4周检测移植物的组织病理学变化及移植物内部细胞增殖情况。结果：移植1周后，移植到Nu/Nu裸鼠肾被膜下的阴茎海绵体组织与正常阴茎海绵体组织形...
Suggested use of sensitive measures of memory to detect functional effects of maternal iodine supplementation on hippocampal development
hippocampus infant neurodevelopment iodine status memory thyroid hormone
2018/12/14
Maternal hypothyroxinemia secondary to iodine deficiency may have neurodevelopmental effects on the specific neurocognitive domain of memory. Associated disruption of thyroid hormone–dependent protein...
Vitamin B-12 status and neurologic function in older people: a cross-sectional analysis of baseline trial data from the Older People and Enhanced Neurological Function (OPEN) study
neurologic older people vitamin B-12 peripheral conduction central nerve conduction
2018/12/14
Background: Aging is associated with a progressive decline in vitamin B-12 status. Overt vitamin B-12 deficiency causes neurologic disturbances in peripheral and central motor and sensory systems, but...
Breakfast consumption has no effect on neuropsychological functioning in children: a repeated-measures clinical trial
breakfast consumption breakfast skipping cognition neuropsychological functioning children
2018/12/14
Background: Although many studies have investigated the relation between breakfast consumption and various domains of cognitive functioning within children, some of the reported findings are inconsist...
1,3-二苯-1,3-丙二酮对可卡因致小鼠神经递质含量变化的影响
1,3-二苯-1,3-丙二酮 可卡因 神经递质 小鼠 色谱法 高压液相
2018/11/30
目的：探讨1,3-二苯-1,3-丙二酮（1,3-diphenyl-1,3-propanedione，DPPD）对可卡因所致小鼠神经递质含量变化的影响。方法： 36只雄性健康的ICR小鼠随机分为对照组、可卡因组、3个DPPD预给药组（200、400、800 mg/kg）和DPPD单独给药组（800 mg/kg）。对照组灌胃给予1%（体积分数）吐温3 d；可卡因组灌胃给予1%吐温2 d，第3天皮下注射...
The important study by Brito et al. (1) suggests that a single high dose of vitamin B-12 can improve peripheral sensory nerve function in asymptomatic elderly subjects with vitamin B-12 deficiency and...
厌食症，即神经性厌食症，指个体通过节食等手段，有意造成并维持体重明显低于正常标准为特征的一种进食障碍，表现为体重显著减轻，合并营养不良、代谢和内分泌紊乱。2012年第5版《精神障碍的诊断与统计手册》（Diagnostic and Statistical Manual of Mental Disorders）中厌食症的诊断标准为：（1）明显的体重减轻，比正常平均体重减轻15%以上，或者克托莱（Que...
目的：设计Keap1-tat小肽，并探讨其对全脑缺血后大鼠海马CA1区神经元的保护作用及空间学习记忆功能的影响。方法：制作大鼠四动脉结扎全脑缺血模型，随机分为假手术sham组、sham+Keap1-tat组、缺血再灌注组(ischemia/reperfusion, I/R)、Keap1-tat处理组和溶剂对照组(vehicle)。Keap1-tat处理组大鼠于缺血前30 min于侧脑室微量注射30...
Vitamin B-12 treatment of asymptomatic, deficient, elderly Chileans improves conductivity in myelinated peripheral nerves, but high serum folate impairs vitamin B-12 status response assessed by the combined indicator of vitamin B-12 status
folate vitamin B-12 holotranscobalamin methylmalonic acid total homocysteine folic acid fortification nerve conductivity elderly Chile
2018/11/26
Background: It is uncertain whether vitamin B-12 supplementation can improve neurophysiologic function in asymptomatic elderly with low vitamin B-12 status or whether folate status affects responses t...
Models of neuronal bursting have been studied extensively as illustrated
throughout this volume. Di erent types of periodic bursting have been
observed and classi ed according to criteria related to...
COMPUTING HOPF BIFURCATIONS II: THREE EXAMPLES FROM NEUROPHYSIOLOGY
Hopf bifurcation resultant bialternate product neuron model
2015/8/25
In a previous paper [11] we presented algorithms for detecting Hopf bifurcations in
two-parameter families of vector elds based on classical algebraic constructions. In addition to their
utility as...
In three experiments we tried to mask the motions of human gait. We represented human walkers as a set of 11 computer-generated elements on a display monitor, moving as a nested hierarchy of motions t...
Six tenets for event perception.