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hanPNAS11
hanPNAS11

... patial specificity of axonal connections is one of the most important prerequisites for normal development (1–3). In mammals, this is especially crucial for axons of the corticospinal (CS) system (4–7). Development of the CS tract is an intricate process that involves the molecular specification of CS ...
bupropion and the autonomic nervous system
bupropion and the autonomic nervous system

... receptors on the adjacent neuron. The whole process takes about 1 millisecond. When a neurotransmitter binds briefly to a receptor on another neuron, channels open and ions move into or out of that neuron. This causes a net change in the electrical properties (membrane potential) of that neuron and ...
part ii: the animal mind - Neural and Mental Evolution
part ii: the animal mind - Neural and Mental Evolution

... stretches of RNA, called ribozymes, can operate like catalytic enzymes (Cech and Bass, 1986) gave rise to the idea that before the evolution of DNA, prebiotic entities existed in which RNA molecules served both as catalytic templates for protein synthesis, metabolism and growth, and as genetic templ ...
CNS*2004 July 18-22, 2004 Baltimore, Maryland
CNS*2004 July 18-22, 2004 Baltimore, Maryland

... Young-Ah Rho, Jaeseung Jeong, and Kyoung J. Lee A possible synchronization mechanism of the suprachiasmatic nucleus based on the phase-response curve Netta Cohen A minimal model for C Elegans forward locomotion ...
The Impact of Prior Experience With Cross-Modal
The Impact of Prior Experience With Cross-Modal

... refers to the general increase in the number of action potentials measured when a second modality is presented to a cell doing MI, while depression refers to the general decrease in the number of action potentials. Meredith and Stein (1983) demonstrated that a sensory stimulus (light) presented to a ...
D:spinal motor neurons Kuwada.wpd
D:spinal motor neurons Kuwada.wpd

... This lecture concerns the anatomical and physiological properties of spinal motor neurons, the muscles they innervate, and their interrelationships. Muscles range in speed from those engaged in controlling rapid eye movements to those involved in standing; in force, from the delicate touch of a pian ...
1 1 1 1 - UPM ASLab
1 1 1 1 - UPM ASLab

... The Φ calculation has to be done for all subsets and all cuts in all subsets to discover the least Φ which is the Φ for the whole network. Gamez has shown that to predict the Φ of a 30-neuron network it would take a state-of-the-art computer 1010 years (!) ...
LGN
LGN

Biophysical Properties and Responses to Neurotransmitters of
Biophysical Properties and Responses to Neurotransmitters of

... Since the ganglion cells were obtained from animals aged 20 – 40 days, it is possible that developmental changes could be still occurring to the peripheral taste system in these animals. The full complement of rat fungiform taste buds is present by 20 days (Mistretta 1972), but taste buds in the cir ...
chapter1
chapter1

Brain activation pattern depends on the strategy chosen by zebra
Brain activation pattern depends on the strategy chosen by zebra

... The ability to retrieve food locations based on previously learned visual information from the surroundings is important for successful foraging. Cues such as the colour, shape and pattern of the food source as well as the spatial arrangement of environmental cues can be used for orientation towards ...
Trigeminal Nerve
Trigeminal Nerve

...  The facial muscles below the forehead receive contralateral cortical innervation (crossed corticobulbar fibers only).  Therefore, a lesion rostral to the facial nucleus—a central facial lesion—results in paralysis of the contralateral facial muscles except the frontalis and orbicularis oculi musc ...
learning motor skills by imitation: a biologically inspired robotic model
learning motor skills by imitation: a biologically inspired robotic model

Short-Term Synaptic Plasticity Orchestrates the Response of Pyramidal
Short-Term Synaptic Plasticity Orchestrates the Response of Pyramidal

... subpopulations, dynamically re-wiring networks over timescales of tens of milliseconds. A number of phenomenological models (Tsodyks and Markram, 1997; Abbott et al., 1997; Tsodyks et al., 1998) have been developed that can be used to classify the dynamics of synapses as being: either depressing, re ...
Synaptic Democracy and Vesicular Transport in Axons
Synaptic Democracy and Vesicular Transport in Axons

... axon. Hence, an additional component of a delivery mechanism that includes recapture is a source of motors which are able to receive vesicles. We emphasize that this does not require additional motors to be synthesized in the soma, instead, motors may return to the beginning of the axon after delive ...
Isodirectional Tuning of Adjacent Interneurons and Pyramidal Cells
Isodirectional Tuning of Adjacent Interneurons and Pyramidal Cells

Strategies for the Generation of Neuronal Diversity in the
Strategies for the Generation of Neuronal Diversity in the

... plate (Artinger and Bronner-Fraser, 1993a). In view of these findings, it seems reasonable to conclude that both the notochord and the floor plate are involved directly, and possibly sequentially, in motor neuron induction; however, the molecular mechanisms by which they accomplish this end may well ...
TransConnect II TransConnect II
TransConnect II TransConnect II

... Whole House Residential Meter Based Transfer Switch Features ● Fits on any standard 200 amp residential meter can. ● Allows portable generators up to 17 KW to be connected to the entire house with a single plug ● Non­Destructive installation, Installs in 30 minutes or less, no wires to run or holes  ...
Forecasting Generation Waste Using Artificial Neural Networks 1
Forecasting Generation Waste Using Artificial Neural Networks 1

... The statistical analysis of waste materials in Sari during the different seasons between “2006-2008”, is presented in Table ‎0-1. Because the average and median amount is so close to each other, the waste generation in Sari shows a normal distribution through ought the different seasons. The large s ...
Representation of Number in Animals and Humans: A Neural Model
Representation of Number in Animals and Humans: A Neural Model

Cerebellum
Cerebellum

... closest to them. The corticonuclear connections are precisely organized with topographic pattern. Particularly marked is the longitudinal organization, with the vermis sending fibers to the fastigial nucleus, the intermediate zone to the interposed nuclei, and the hemispheres to the dentate nucleus. ...
Autonomic Nervous System I and II
Autonomic Nervous System I and II

... pancreas, liver, gallbladder, and adrenal medullae. Superior mesenteric plexus- small intestine and ...
The Basal Ganglia
The Basal Ganglia

... basal ganglia and thalamus. The thalamic output of of the bas I ganglia, it is appropriate here to focus on each circuit is directed back to the portions of the frontal the skelet motor circuit. In primates the skeletomolobe from which the circuit originates. Thus, the skeletotor circuit ri~ates in ...
Computational themes of peripheral processing
Computational themes of peripheral processing

... The auditory periphery of grasshopper forms a threelayered feed-forward network (Vogel and Ronacher 2007). In this network, 60–80 receptor neurons converge onto 10– 15 local neurons in the meta-thoracic ganglion. The local neurons in turn project onto 15–20 ascending neurons that convey information ...
Individual Differences: Emotions
Individual Differences: Emotions

... limitations than the boss. 6. Bottom-up feedback meshes nicely with the trend toward participative management and employee empowerment. ...
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Central pattern generator

Central pattern generators (CPGs) are biological neural networks that produce rhythmic patterned outputs without sensory feedback. CPGs have been shown to produce rhythmic outputs resembling normal ""rhythmic motor pattern production"" even in isolation from motor and sensory feedback from limbs and other muscle targets. To be classified as a rhythmic generator, a CPG requires:1. ""two or more processes that interact such that each process sequentially increases and decreases, and 2. that, as a result of this interaction, the system repeatedly returns to its starting condition.
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