Topographic cues of nanoscale height direct neuronal growth pattern
... substrates and neurites have initiated out of the soma to develop into a neuronal branching tree. Neurons that are grown atop the control substrates, with no topographic cues, extend processes with no preferred outgrowth direction (see Fig. 2). Figure 2A presents a single neuron growing on a bare gl ...
... substrates and neurites have initiated out of the soma to develop into a neuronal branching tree. Neurons that are grown atop the control substrates, with no topographic cues, extend processes with no preferred outgrowth direction (see Fig. 2). Figure 2A presents a single neuron growing on a bare gl ...
Picture 2.12. Some of the more often used neuron`s
... similar to a real biological neuron’s behaviour (a sigmoid function), but they also could be selected in such manner, which would assure the maximum efficiency of computations carried on by a neural network (a Gauss function). In all the cases function φ ( ) constitutes an important element going be ...
... similar to a real biological neuron’s behaviour (a sigmoid function), but they also could be selected in such manner, which would assure the maximum efficiency of computations carried on by a neural network (a Gauss function). In all the cases function φ ( ) constitutes an important element going be ...
- Philsci
... bodies. But the body, extended in physical space, res extensa, is not essentially a part of us. In the present context of embodied embedded cognition, Cartesianism is seen as the worst kind of armchair philosophy. Descartes couldn’t be more wrong in his exclusion of the body from the self. Yet it is ...
... bodies. But the body, extended in physical space, res extensa, is not essentially a part of us. In the present context of embodied embedded cognition, Cartesianism is seen as the worst kind of armchair philosophy. Descartes couldn’t be more wrong in his exclusion of the body from the self. Yet it is ...
In Vitro, Ex Vivo and In Vivo Techniques to Study Neuronal Migration
... could be potentially applied to the study of neuronal migration in various brain regions, but we will specifically discuss examples that have been successfully applied to study migration of cortical neurons. Conventional and conditional deletion of gene function, combined with genetic fate mapping i ...
... could be potentially applied to the study of neuronal migration in various brain regions, but we will specifically discuss examples that have been successfully applied to study migration of cortical neurons. Conventional and conditional deletion of gene function, combined with genetic fate mapping i ...
Hikosaka O - lsr
... rats the normal sleep pattern and atonia are restored15,17. Second, the firing of habenula neurons shows circadian rhythmicity 18, even in slice preparations19. Third, neural activity of the LHb or the MHb increases markedly during drug-induced general anesthaesia20–22 and emerging evidence suggests ...
... rats the normal sleep pattern and atonia are restored15,17. Second, the firing of habenula neurons shows circadian rhythmicity 18, even in slice preparations19. Third, neural activity of the LHb or the MHb increases markedly during drug-induced general anesthaesia20–22 and emerging evidence suggests ...
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... clusters of 5-HT-IR neuron somata were distributed similarly in ganglia of the two species. In the cerebropleural ganglion complex, these were the metacerebral giant neurons (both species), a dorsal anterior cluster (Pleurobranchaea only), a dorsal medial cluster including identified neurons of the ...
... clusters of 5-HT-IR neuron somata were distributed similarly in ganglia of the two species. In the cerebropleural ganglion complex, these were the metacerebral giant neurons (both species), a dorsal anterior cluster (Pleurobranchaea only), a dorsal medial cluster including identified neurons of the ...
The mirror neuron system and its role in learning Master`s thesis by
... with mirror properties. Future research should shed more light on this issue and show which neurons exactly are active in humans in conditions studied so far using brain imaging techniques. The mirror neuron system indeed seems to play an important role in several types of learning. It is probably e ...
... with mirror properties. Future research should shed more light on this issue and show which neurons exactly are active in humans in conditions studied so far using brain imaging techniques. The mirror neuron system indeed seems to play an important role in several types of learning. It is probably e ...
Poster
... cure for SMA, the skeletal and muscular problems that accompany it can be corrected using braces and other supports, as well as corrective surgery. Children diagnosed with the most severe form of SMA, type one, will usually die before age two. However, the prognosis for those with type four is much ...
... cure for SMA, the skeletal and muscular problems that accompany it can be corrected using braces and other supports, as well as corrective surgery. Children diagnosed with the most severe form of SMA, type one, will usually die before age two. However, the prognosis for those with type four is much ...
Shapes and Level Tolerances of Frequency Tuning Curves in
... that constancy in frequency selectivity across intensity (called “level tolerance”) is essential for information processing in echolocating mustached bats. Despite the importance of intensity invariant processing in auditory perception, very little is known about the neurophysiology underlying it. T ...
... that constancy in frequency selectivity across intensity (called “level tolerance”) is essential for information processing in echolocating mustached bats. Despite the importance of intensity invariant processing in auditory perception, very little is known about the neurophysiology underlying it. T ...
Dynamics and Synchronization of Motifs of Neuronal Populations in the Presence
... concept of receptive field pervades our knowledge about the visual system. Following the flow direction of the neuronal activity elicited by the visual stimulus, neurons from any level show traces of the receptive fields: photoreceptors, retinal ganglion, lateral geniculate nucleus, primary visual c ...
... concept of receptive field pervades our knowledge about the visual system. Following the flow direction of the neuronal activity elicited by the visual stimulus, neurons from any level show traces of the receptive fields: photoreceptors, retinal ganglion, lateral geniculate nucleus, primary visual c ...
An Olfactory Sensory Map in the Fly Brain
... Summary We have isolated the “complete” repertoire of genes encoding the odorant receptors in Drosophila and employ these genes to provide a molecular description of the organization of the peripheral olfactory system. The repertoire of Drosophila odorant receptors is encoded by 57 genes. Individual ...
... Summary We have isolated the “complete” repertoire of genes encoding the odorant receptors in Drosophila and employ these genes to provide a molecular description of the organization of the peripheral olfactory system. The repertoire of Drosophila odorant receptors is encoded by 57 genes. Individual ...
Stereologic analysis of the lateral geniculate nucleus of the
... into the dorsal and ventral visual streams, respectively, these functionally distinct visual streams represent an integrated signal from the two LGN pathways that encode object localization (dorsal) and object recognition (ventral). The most prominent symptoms of schizophrenia are thought disorder, ...
... into the dorsal and ventral visual streams, respectively, these functionally distinct visual streams represent an integrated signal from the two LGN pathways that encode object localization (dorsal) and object recognition (ventral). The most prominent symptoms of schizophrenia are thought disorder, ...
Distinct core thalamocortical pathways to central and dorsal primary
... (Schreiner et al., 2000). The cNB region has the highest spectral resolution (Q factor) measured with sound level at 40 decibels above threshold (Q40). A small dNB region has higher spectral resolution than adjacent cBB and dBB regions but lower median spectral resolution than the cNB region (Imaizu ...
... (Schreiner et al., 2000). The cNB region has the highest spectral resolution (Q factor) measured with sound level at 40 decibels above threshold (Q40). A small dNB region has higher spectral resolution than adjacent cBB and dBB regions but lower median spectral resolution than the cNB region (Imaizu ...
THE AREA POSTREMA: A POTENTIAL SITE FOR CIRCADIAN REGULATION BY
... 1.1 Circadian regulation by the suprachiasmatic nucleus Many physiological and behavioural processes follow daily and seasonal rhythms that permit the organism to function in a circadian manner in preparation to respond to environmental challenges that are critical to survival. These include oscilla ...
... 1.1 Circadian regulation by the suprachiasmatic nucleus Many physiological and behavioural processes follow daily and seasonal rhythms that permit the organism to function in a circadian manner in preparation to respond to environmental challenges that are critical to survival. These include oscilla ...
Glutamate Inhibits GABA Excitatory Activity in
... mature brain, GABA, assumes an excitatory role. Because of an elevated C l 2 reversal potential found in immature hypothalamic neurons, activation of the GABAA receptor leads to an inward current caused by C l 2 efflux, membrane depolarization, Ca 21 influx associated with the activation of voltage- ...
... mature brain, GABA, assumes an excitatory role. Because of an elevated C l 2 reversal potential found in immature hypothalamic neurons, activation of the GABAA receptor leads to an inward current caused by C l 2 efflux, membrane depolarization, Ca 21 influx associated with the activation of voltage- ...
Vagal Input to Lateral Area 3a in Cat Cortex
... to esophageal or stomach stimulation. Thus there seems to be a region in the neighborhood of the primary somatosensory cortex (S1) that receives sensory input from abdominal organs and might be involved in conscious sensations from these organs. However, this region has not been anatomically or func ...
... to esophageal or stomach stimulation. Thus there seems to be a region in the neighborhood of the primary somatosensory cortex (S1) that receives sensory input from abdominal organs and might be involved in conscious sensations from these organs. However, this region has not been anatomically or func ...
Schwartz
... blocks was separated by a 95 s inter-block interval, during which images were digitized at 12-bit resolution and stored on the hard drive. Electrophysiology and Iontophoresis Epidural electrocorticography (ECoG) was monitored with two AgCl electrodes on either side of the craniotomy, ∼5 mm from the ...
... blocks was separated by a 95 s inter-block interval, during which images were digitized at 12-bit resolution and stored on the hard drive. Electrophysiology and Iontophoresis Epidural electrocorticography (ECoG) was monitored with two AgCl electrodes on either side of the craniotomy, ∼5 mm from the ...
Hindbrain catecholamine neurons mediate
... (MA)-induced blockade of fatty acid oxidation, 0.9% saline, and 18-h food deprivation were assessed. Unlike unconjugated SAP controls, the DSAP rats did not increase their food intake in response to glucoprivic challenges in either the pelleted food or the intraoral feeding tests. However, the DSAP ...
... (MA)-induced blockade of fatty acid oxidation, 0.9% saline, and 18-h food deprivation were assessed. Unlike unconjugated SAP controls, the DSAP rats did not increase their food intake in response to glucoprivic challenges in either the pelleted food or the intraoral feeding tests. However, the DSAP ...
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... exhibit facilitation to rapidly repeated sounds. Neurons in PAF do not exhibit strong selectivity for rate or direction of narrowband one octave FM sweeps. These results indicate that PAF, like nonprimary visual fields, processes sensory information on larger spectral and longer temporal scales than ...
... exhibit facilitation to rapidly repeated sounds. Neurons in PAF do not exhibit strong selectivity for rate or direction of narrowband one octave FM sweeps. These results indicate that PAF, like nonprimary visual fields, processes sensory information on larger spectral and longer temporal scales than ...
Visual and oculomotor selection: links, causes and
... additional ‘distracter’ stimuli outside the V4 neuron receptive field, as has been observed during attention. These findings suggest that the gain of visual responses in extrastriate cortex is directly modulated by the same activity that elicits a saccade to a particular location, and they suggest a ...
... additional ‘distracter’ stimuli outside the V4 neuron receptive field, as has been observed during attention. These findings suggest that the gain of visual responses in extrastriate cortex is directly modulated by the same activity that elicits a saccade to a particular location, and they suggest a ...
Reverse pharmacology of orexin
... suggests that orexin has an important role in the normal regulation of sleep/wakefulness. Orexin neurons might be especially important for stabilization of behavioral states, because the major symptom in narcolepsy is inability to maintain each behavioral state, which results in sleep/ wakefulness f ...
... suggests that orexin has an important role in the normal regulation of sleep/wakefulness. Orexin neurons might be especially important for stabilization of behavioral states, because the major symptom in narcolepsy is inability to maintain each behavioral state, which results in sleep/ wakefulness f ...