The encoding and decoding of com-
... readout stage. We propose a novel neural readout circuit based on wavelet transform that decodes the TPC over different frequency bands. We show that, in comparison with pure linear readouts used previously, the proposed system provides a robust, fast and highly compact representation of visual inpu ...
... readout stage. We propose a novel neural readout circuit based on wavelet transform that decodes the TPC over different frequency bands. We show that, in comparison with pure linear readouts used previously, the proposed system provides a robust, fast and highly compact representation of visual inpu ...
Rapid Changes in Synaptic Vesicle Cytochemistry
... (NE) 1 (49). In another medium which promotes the development of cholinergic characteristics, i.e., heart-conditioned medium, the quantity of adrenergic function has been reported to decrease as cholinergic function increases (39, 51); however, even in these studies, the data indicate that several a ...
... (NE) 1 (49). In another medium which promotes the development of cholinergic characteristics, i.e., heart-conditioned medium, the quantity of adrenergic function has been reported to decrease as cholinergic function increases (39, 51); however, even in these studies, the data indicate that several a ...
A Subjective Distance Between Stimuli: Quantifying the Metric
... definite matrix representing the scalar product. Condition 4 imposes symmetry among the components of the vectors, which means that M must be proportional to the unit matrix. Therefore, out of all the distances that have a scalar product associated with them, the only one that fulfills condition 4 i ...
... definite matrix representing the scalar product. Condition 4 imposes symmetry among the components of the vectors, which means that M must be proportional to the unit matrix. Therefore, out of all the distances that have a scalar product associated with them, the only one that fulfills condition 4 i ...
Afferents of dopamine neurons
... Bevan, Booth, Eaton, and Bolam. (1998) J. Neurosci. 18: 9438-9452 Sadek, Magill and Bolam unpublished ...
... Bevan, Booth, Eaton, and Bolam. (1998) J. Neurosci. 18: 9438-9452 Sadek, Magill and Bolam unpublished ...
angol tézisfüzet0531
... The retrograde tracer cholera toxin β subunit (CTB; List Biological Laboratories) was injected into specific brain regions where the majority of PHAL/pro-TRHcontaining, double-labeled axons were found in the anterograde tract-tracing experiment (0.5% CTB, 6.0 µamps for 11-15 min, pulsed at 7 second ...
... The retrograde tracer cholera toxin β subunit (CTB; List Biological Laboratories) was injected into specific brain regions where the majority of PHAL/pro-TRHcontaining, double-labeled axons were found in the anterograde tract-tracing experiment (0.5% CTB, 6.0 µamps for 11-15 min, pulsed at 7 second ...
Organization of Cortical and Thalamic Input to Pyramidal Neurons in
... that are critical for repolarizing the axon. Under these conditions, short laser pulses (1–2 ms) depolarized ChR2-expressing axons in the vicinity of the laser beam and triggered the local release of glutamate. NMDA receptors were blocked (CPP) to sharpen excitatory postsynaptic responses and to pre ...
... that are critical for repolarizing the axon. Under these conditions, short laser pulses (1–2 ms) depolarized ChR2-expressing axons in the vicinity of the laser beam and triggered the local release of glutamate. NMDA receptors were blocked (CPP) to sharpen excitatory postsynaptic responses and to pre ...
Traveling Theta Waves along the Entire
... were mirrored by similar phase shifts of unit firing in the CA1 region (Figure 4). At all locations, majority of both multiple units and single pyramidal cells fired preferentially near the trough of the local LFP theta (Figures 4A–4C and 4E). Theta phase preference of ventral neurons was more varia ...
... were mirrored by similar phase shifts of unit firing in the CA1 region (Figure 4). At all locations, majority of both multiple units and single pyramidal cells fired preferentially near the trough of the local LFP theta (Figures 4A–4C and 4E). Theta phase preference of ventral neurons was more varia ...
Memory Maintenance in Synapses with Calcium
... Synaptic plasticity is widely believed to be the main mechanism underlying learning and memory. In recent years, several mathematical plasticity rules have been shown to fit satisfactorily a wide range of experimental data in hippocampal and neocortical in vitro preparations. In particular, a model ...
... Synaptic plasticity is widely believed to be the main mechanism underlying learning and memory. In recent years, several mathematical plasticity rules have been shown to fit satisfactorily a wide range of experimental data in hippocampal and neocortical in vitro preparations. In particular, a model ...
View PDF - e-Science Central
... speed measures) that were associated with white matter degradation within the internal and external capsules, inferior cingulate bundle, fornix, as well as frontal and occipital forceps. Additionally, findings have demonstrated that increased radial diffusivity within the occipital forceps and exter ...
... speed measures) that were associated with white matter degradation within the internal and external capsules, inferior cingulate bundle, fornix, as well as frontal and occipital forceps. Additionally, findings have demonstrated that increased radial diffusivity within the occipital forceps and exter ...
theta oscillation in the hippocampus
... synaptic potentials that entrain the discharge of neuronal populations within the D100–200 ms range. The cellular-synaptic generation of theta activity in the hippocampus was investigated by intracellular recordings from the somata and dendrites of CA1 pyramidal cells in urethaneanesthetized rats. T ...
... synaptic potentials that entrain the discharge of neuronal populations within the D100–200 ms range. The cellular-synaptic generation of theta activity in the hippocampus was investigated by intracellular recordings from the somata and dendrites of CA1 pyramidal cells in urethaneanesthetized rats. T ...
Dopamine-Independent Locomotion Following Blockade of N
... been proposed for a number of psychiatric disorders, including schizophrenia and drug addiction (Robinson and Berridge, 1993; Yang et al., 1999). The mesocorticolimbic dopamine system arises from dopaminergic neurons in the ventral tegmental area (VTA), which send axonal projections to a number of f ...
... been proposed for a number of psychiatric disorders, including schizophrenia and drug addiction (Robinson and Berridge, 1993; Yang et al., 1999). The mesocorticolimbic dopamine system arises from dopaminergic neurons in the ventral tegmental area (VTA), which send axonal projections to a number of f ...
Excitatory and Inhibitory Synaptic Placement and Functional
... classified as fast-spiking basket neurons, predominantly form synapses onto the soma and proximal dendrites of excitatory neurons (Miles et al. 1996) (Fig. 18.2a). In the G42 transgenic line, which labels a subset (~50 %) of PV-positive cells (Chattopadhyaya et al. 2004), 20 % of synapses onto pyram ...
... classified as fast-spiking basket neurons, predominantly form synapses onto the soma and proximal dendrites of excitatory neurons (Miles et al. 1996) (Fig. 18.2a). In the G42 transgenic line, which labels a subset (~50 %) of PV-positive cells (Chattopadhyaya et al. 2004), 20 % of synapses onto pyram ...
2011-Morrison and Nakamura_review
... thermosensory ascending pathway from lamina I neurons is the spinothalamocortical pathway, in which lamina I neurons directly synapse on neurons in the thalamus that project to the primary somatosensory cortex, leading to perception and discrimination of cutaneous temperature (25,26). However, the s ...
... thermosensory ascending pathway from lamina I neurons is the spinothalamocortical pathway, in which lamina I neurons directly synapse on neurons in the thalamus that project to the primary somatosensory cortex, leading to perception and discrimination of cutaneous temperature (25,26). However, the s ...
Early Pharmacological Treatment of Autism: A
... Autism is a dynamic neurodevelopmental syndrome in which disabilities emerge during the first three postnatal years and continue to evolve with ongoing development. We briefly review research in autism describing subtle changes in molecules important in brain development and neurotransmission, in mo ...
... Autism is a dynamic neurodevelopmental syndrome in which disabilities emerge during the first three postnatal years and continue to evolve with ongoing development. We briefly review research in autism describing subtle changes in molecules important in brain development and neurotransmission, in mo ...
Comparing the Functional Representations of Central and Border
... Using intrinsic signal optical imaging (ISI) (Grinvald et al., 1986; Frostig et al., 1990; Ts’o et al., 1990), we characterized the functional representation of two border whiskers, A2 and E2, as well as a central whisker, C2 (see Fig. 1). The A2 barrel is situated ...
... Using intrinsic signal optical imaging (ISI) (Grinvald et al., 1986; Frostig et al., 1990; Ts’o et al., 1990), we characterized the functional representation of two border whiskers, A2 and E2, as well as a central whisker, C2 (see Fig. 1). The A2 barrel is situated ...
Measurement of Corpus Callosum in Sudanese Population Using MRI
... Wernicke's area lies in the left temporal lobe (Fig 3). Damage to this area causes Wernicke's aphasia. The individual may speak in long sentences that have no meaning, add unnecessary words, and even create new words. They can make speech sounds, however they have difficulty understanding speech an ...
... Wernicke's area lies in the left temporal lobe (Fig 3). Damage to this area causes Wernicke's aphasia. The individual may speak in long sentences that have no meaning, add unnecessary words, and even create new words. They can make speech sounds, however they have difficulty understanding speech an ...
Corticotropin-Releasing Hormone Directly Activates Noradrenergic
... hydrate (400 mg/kg, i.p.) and perfused through the ascending aorta with an ice-cold, oxygenated (low Na/high sucrose) perfusion solution (in mM: 1.9 KCl, 1.2 Na2HPO4, 6 MgCl2, 33 NaHCO3, 20 glucose, and 229 sucrose saturated with 95% O2/5% CO2) (Aghajanian and Rasmussen, 1989). After decapitation, t ...
... hydrate (400 mg/kg, i.p.) and perfused through the ascending aorta with an ice-cold, oxygenated (low Na/high sucrose) perfusion solution (in mM: 1.9 KCl, 1.2 Na2HPO4, 6 MgCl2, 33 NaHCO3, 20 glucose, and 229 sucrose saturated with 95% O2/5% CO2) (Aghajanian and Rasmussen, 1989). After decapitation, t ...
Neural Networks
... SNIPE 1 is a well-documented JAVA library that implements a framework for neural networks in a speedy, feature-rich and usable way. It is available at no cost for non-commercial purposes. It was originally designed for high performance simulations with lots and lots of neural networks (even large on ...
... SNIPE 1 is a well-documented JAVA library that implements a framework for neural networks in a speedy, feature-rich and usable way. It is available at no cost for non-commercial purposes. It was originally designed for high performance simulations with lots and lots of neural networks (even large on ...
- White Rose Research Online
... do not consider them here). Finally, the FSI axon collaterals synapse onto other FSI dendrites: previously, evidence for these connections was indirect [47], with others finding no electrophysiological evidence of synaptic connection [20]; however, a recent study using transgenic mice found synaptic ...
... do not consider them here). Finally, the FSI axon collaterals synapse onto other FSI dendrites: previously, evidence for these connections was indirect [47], with others finding no electrophysiological evidence of synaptic connection [20]; however, a recent study using transgenic mice found synaptic ...
Stereotyped connectivity and computations in higher
... Here we show that lateral horn neurons (LHNs) receive input from sparse and stereotyped combinations of glomeruli that are coactivated by odors, and certain combinations of glomeruli are over-represented. One morphological LHN type is broadly tuned and sums input from multiple glomeruli. These neuro ...
... Here we show that lateral horn neurons (LHNs) receive input from sparse and stereotyped combinations of glomeruli that are coactivated by odors, and certain combinations of glomeruli are over-represented. One morphological LHN type is broadly tuned and sums input from multiple glomeruli. These neuro ...
resumo_pertes_mecani..
... Action potentials are created through the process of depolarization. To understand this process, it is necessary to have a basic knowledge about the physiology of nerve cells. A nerve cell is bounded by membranes composed of bilayers of lipoprotein. At rest, an electrical charge is maintained across ...
... Action potentials are created through the process of depolarization. To understand this process, it is necessary to have a basic knowledge about the physiology of nerve cells. A nerve cell is bounded by membranes composed of bilayers of lipoprotein. At rest, an electrical charge is maintained across ...
Human and Rodent Homologies in Action Control - Research
... Recent behavioral studies in both humans and rodents have found evidence that performance in decision-making tasks depends on two different learning processes; one encoding the relationship between actions and their consequences and a second involving the formation of stimulus–response associations. ...
... Recent behavioral studies in both humans and rodents have found evidence that performance in decision-making tasks depends on two different learning processes; one encoding the relationship between actions and their consequences and a second involving the formation of stimulus–response associations. ...
The effect of selective attention on auditory frequency
... noise depends largely on the differences in neural level representations of the auditory inputs. The auditory cortex (AC) is tonotopically organized, which means that the frequency information is mapped to the cortical topography. Thus, similar frequencies are processed in close vicinity at AC. The ...
... noise depends largely on the differences in neural level representations of the auditory inputs. The auditory cortex (AC) is tonotopically organized, which means that the frequency information is mapped to the cortical topography. Thus, similar frequencies are processed in close vicinity at AC. The ...