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We explored the mechanism underlying the improvement of tolerance to exercise-heat stress through physical training at a moderate temperature. Rats were randomly divided into an aerobic exercise (AE) group and a control (C) group. Rats in the former group were subjected during 5 weeks for AE in a cool environment (20°C). The oxidative damage level in the brain to AE rats after both 1-h-long heat exposure...
Background The vertebrate brain is a highly energy consuming organ that requires continuous energy provision. Energy metabolism of ectothermic organisms is directly affected by environmental temperature changes and has been demonstrated to affect brain energy balance in fish. Fish were hypothesized to metabolize lactate as an additional energy substrate during acute exposure to energy demanding environmental...
This paper introduces a new time-frequency coherence analysis method based on Lomb periodogram and applies it to investigate the time-varying synchronization of multi-channel event-related potentials (ERP). The Lomb periodogram is first extended to a time-frequency analysis method by windowing the observation. Furthermore, the window bandwidth is selected adaptively by the intersection of confidence...
This paper introduces a new local polynomial regression (LPR)-based high-resolution image reconstruction method for human brain magnetic resonance images. In LPR, the image pixels are modeled locally by a polynomial using least-squares (LS) criterion with a kernel having a certain bandwidth matrix. Steering kernels with local orientation are used in LPR to adapt better to local characteristics of...
The control of neuron position and orienting axon outgrowth is a significant focus in the development of cell biosensors and the study of neural regeneration. During the development, neurons communicate with each other by growing out axons and dendrites to form network. For the central nerve system: brain and spinal cord, which are very limited in their ability to repair. A better resolution for the...
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