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Dolphins are known to show similarities to humans with respect to a range of visual perceptual tasks, but it is not well understood how dolphins perceive objects through vision. In this study, we tested the relative size discrimination of visual stimuli in a bottlenose dolphin (Tursiops truncatus) in order to examine whether dolphins could solve size(More)
A neural network model consisting of a single motor cortex output cell, alpha -motoneurons, Renshaw cells, and muscle units is presented. The firing rates of alpha -motoneurons obtained from the model at different levels of muscle force closely agree with those measured in human muscles. The isometric force of the model increases almost linearly with the(More)
The inhibitory effects of deep brain stimulation (DBS) were investigated in a rat model of kainic acid (KA)-induced limbic status epilepticus. Wistar rats were injected with 1.0 microg KA into the left amygdala after stereotactic implantation of a guide cannula and electrodes. Bipolar rectangular pulses of 0.1 msec duration and 0.1-0.3 mA amplitude were(More)
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