Cognon Neural Model Software Verification and
... Little is known yet about how the brain can recognize arbitrary sensory patterns within milliseconds using neural spikes to communicate information between neurons. In a typical brain there are several layers of neurons, with each neuron axon connecting to ∼ 104 synapses of neurons in an adjacent la ...
... Little is known yet about how the brain can recognize arbitrary sensory patterns within milliseconds using neural spikes to communicate information between neurons. In a typical brain there are several layers of neurons, with each neuron axon connecting to ∼ 104 synapses of neurons in an adjacent la ...
Prevalent Presence of Periodic Actin-spectrin-based
... neuronal subtypes exhibited a periodic distribution of βII spectrin in their axons, with a spacing of ~190 nm. Autocorrelation analyses showed that the degree of periodicity (i.e. autocorrelation amplitude) was similar among most of these excitatory and inhibitory neurons (Fig. 2J, K). Two exception ...
... neuronal subtypes exhibited a periodic distribution of βII spectrin in their axons, with a spacing of ~190 nm. Autocorrelation analyses showed that the degree of periodicity (i.e. autocorrelation amplitude) was similar among most of these excitatory and inhibitory neurons (Fig. 2J, K). Two exception ...
PDF version - Richard Andersen
... continue to fixate it. However, no peripheral target was flashed One week after the first surgery (for the acrylic skull cap and the during this fixation, and after the offset of the fixation spot, the eye coil), training was begun. Initially the animals learned to fixate monkey had to keep his eye ...
... continue to fixate it. However, no peripheral target was flashed One week after the first surgery (for the acrylic skull cap and the during this fixation, and after the offset of the fixation spot, the eye coil), training was begun. Initially the animals learned to fixate monkey had to keep his eye ...
KIDS, Inc. - School Neuropsych
... • Damage may result in ataxia which is a problem of muscle coordination. This can interfere with a person's ability to walk, talk, eat, and to perform other self care tasks. ...
... • Damage may result in ataxia which is a problem of muscle coordination. This can interfere with a person's ability to walk, talk, eat, and to perform other self care tasks. ...
Neurophysiological and Computational Principles of Cortical
... the pre- and postsynaptic spikes as well as the firing rates (540, 643, 879, 880); if the spike discharges of a pair of neurons were uncorrelated Poisson processes, there would be no net modification of synaptic connections between the two (505, 826, 891). In the hippocampus, for instance, STDP repr ...
... the pre- and postsynaptic spikes as well as the firing rates (540, 643, 879, 880); if the spike discharges of a pair of neurons were uncorrelated Poisson processes, there would be no net modification of synaptic connections between the two (505, 826, 891). In the hippocampus, for instance, STDP repr ...
Interactions between frontal cortex and basal ganglia in working
... et al., 1999). Thus, working memory and cognitive control can be seen as two different manifestations of the same underlying mechanism of actively maintained information. Of course, these manifestations function in different ways in different tasks and, thus, are not the same psychological construct ...
... et al., 1999). Thus, working memory and cognitive control can be seen as two different manifestations of the same underlying mechanism of actively maintained information. Of course, these manifestations function in different ways in different tasks and, thus, are not the same psychological construct ...
Expression of ml-m4 Muscarinic Acetylcholine Receptor Proteins in
... The m l-m4 receptor immunoreactivities were differentially distributed in the rat hippocampus (Figs. I-4). In general, receptor immunoreactivities were localized in neurons, neuritic processes, and diffusely in the neuropil, although each antibody resulted in a distinct pattern of staining. Neuronal ...
... The m l-m4 receptor immunoreactivities were differentially distributed in the rat hippocampus (Figs. I-4). In general, receptor immunoreactivities were localized in neurons, neuritic processes, and diffusely in the neuropil, although each antibody resulted in a distinct pattern of staining. Neuronal ...
Forward Processing of Long-Term Associative Memory in Monkey
... Figure 2. Stimulus-selective responses to both paired associates of two representative A36 neurons (A and B for one neuron; C and D for the other neuron). A, C, Raster displays and PSTHs in the optimal (optimal, thick black line) and pair ( pair, thick gray line) trials. The trials were aligned at t ...
... Figure 2. Stimulus-selective responses to both paired associates of two representative A36 neurons (A and B for one neuron; C and D for the other neuron). A, C, Raster displays and PSTHs in the optimal (optimal, thick black line) and pair ( pair, thick gray line) trials. The trials were aligned at t ...
The Spinal Interneurons and Properties of
... the other neuron (Fig. 2). In 15 cases, the EPSP was sufficient to evoke an action potential from the resting membrane potential. Later anatomical processing confirmed the identification of RB neurons by their spherical soma, absence of dendrites, and ascending and descending central axons in the do ...
... the other neuron (Fig. 2). In 15 cases, the EPSP was sufficient to evoke an action potential from the resting membrane potential. Later anatomical processing confirmed the identification of RB neurons by their spherical soma, absence of dendrites, and ascending and descending central axons in the do ...
Can we conquer pain?
... the functioning of central neurons. (a) Activity-dependent central sensitization. An immediate and relatively short-lasting increase in the excitability and responsiveness of pain transmission dorsal horn neurons, which is due to phosphorylation of ion channels and receptors and follows nociceptordr ...
... the functioning of central neurons. (a) Activity-dependent central sensitization. An immediate and relatively short-lasting increase in the excitability and responsiveness of pain transmission dorsal horn neurons, which is due to phosphorylation of ion channels and receptors and follows nociceptordr ...
Berridge, K.C.Brain reward systems for food incentives and
... reward functions would persist largely normally, and may even serve as aids to eventually help spontaneously normalize eating behavior even without treatment. The answer to which of these alternative possibilities is best may well vary from case to case. Different eating disorders may require differ ...
... reward functions would persist largely normally, and may even serve as aids to eventually help spontaneously normalize eating behavior even without treatment. The answer to which of these alternative possibilities is best may well vary from case to case. Different eating disorders may require differ ...
The Control of Rate and Timing of Spikes in the Deep Cerebellar
... less, we cannot exclude some error in the absolute value of the recorded membrane potential. The results of the present study would not be affected by a small offset in the absolute membrane potential except for a matching shift in the described value of the combined synaptic reversal potential requ ...
... less, we cannot exclude some error in the absolute value of the recorded membrane potential. The results of the present study would not be affected by a small offset in the absolute membrane potential except for a matching shift in the described value of the combined synaptic reversal potential requ ...
Wasp uses venom cocktail to manipulate the behavior F. Libersat
... The wasp subsequently lays one egg on the victim and when the larva hatches, it feeds on the paralyzed host. For example, wasps of the family of Pompilidae are the spider’s worst enemies. These wasps paralyzes a spider with multiple variable stings, then drag their victim to a prepared burrow and de ...
... The wasp subsequently lays one egg on the victim and when the larva hatches, it feeds on the paralyzed host. For example, wasps of the family of Pompilidae are the spider’s worst enemies. These wasps paralyzes a spider with multiple variable stings, then drag their victim to a prepared burrow and de ...
Similar Inhibitory Processes Dominate the Responses of Cat Lateral
... Bechara et al. 1995). The lateral amygdaloid (LAT) nucleus, a major recipient of cortical and thalamic sensory pathways to the amygdala (Amaral et al. 1992; LeDoux et al. 1985; Romanski and LeDoux 1992; Russchen 1982b; Turner et al. 1980) and source of afferents to other amygdaloid nuclei (Krettek a ...
... Bechara et al. 1995). The lateral amygdaloid (LAT) nucleus, a major recipient of cortical and thalamic sensory pathways to the amygdala (Amaral et al. 1992; LeDoux et al. 1985; Romanski and LeDoux 1992; Russchen 1982b; Turner et al. 1980) and source of afferents to other amygdaloid nuclei (Krettek a ...
Predictions not commands: active inference in the motor system
... size irrespective of their distance from the observer. This inferential process is fundamentally Bayesian, as it involves the construction of a posterior probability density from a prior distribution over causes and sensory data. The brain cannot generate all of its prior beliefs de novo; instead it ...
... size irrespective of their distance from the observer. This inferential process is fundamentally Bayesian, as it involves the construction of a posterior probability density from a prior distribution over causes and sensory data. The brain cannot generate all of its prior beliefs de novo; instead it ...
Prosjektoppgave - Mirror neurons_ver4.2
... control them. None of the neurons showed any activity during the observation phase (3). Furthermore, because the monkey would usually be watching its own movements, the behavior the recorded neurons displayed during the monkey's actions could be due to the neuron's visual properties alone rather tha ...
... control them. None of the neurons showed any activity during the observation phase (3). Furthermore, because the monkey would usually be watching its own movements, the behavior the recorded neurons displayed during the monkey's actions could be due to the neuron's visual properties alone rather tha ...
Experiment 2 - fMRI Study
... production studies recruiting partially distinct neural networks from those typically found in comprehension studies, including supplementary motor regions, the cingulate cortex, and subcortical structures that are associated with motor responses and decisions (Barch et al., 2000; Sörös et al., 2006 ...
... production studies recruiting partially distinct neural networks from those typically found in comprehension studies, including supplementary motor regions, the cingulate cortex, and subcortical structures that are associated with motor responses and decisions (Barch et al., 2000; Sörös et al., 2006 ...
disparity detection from stereo
... Among the different stages of the explicit matching approaches, the correspondence problem is believed to be the most challenging step; i.e., the problem of matching each pixel of one image to a pixel in the other [22]. Solutions to the correspondence problem have been explored using area-based, fea ...
... Among the different stages of the explicit matching approaches, the correspondence problem is believed to be the most challenging step; i.e., the problem of matching each pixel of one image to a pixel in the other [22]. Solutions to the correspondence problem have been explored using area-based, fea ...
Region Specific Micromodularity in the Uppermost Layers in Primate
... zinc, PV, MAP2 (for dendrites) and GABA receptor type A α1 subunit (GABAaα1; also for dendrites), VGluT2 (for TC terminations), glutamate receptor 2 and 3 (GluR2/3), glutamate receptor 5, 6 and 7 (GluR5/6/7), NMDAR1, calbindin (CB) and cytochrome oxidase. The present results are mainly based on the ...
... zinc, PV, MAP2 (for dendrites) and GABA receptor type A α1 subunit (GABAaα1; also for dendrites), VGluT2 (for TC terminations), glutamate receptor 2 and 3 (GluR2/3), glutamate receptor 5, 6 and 7 (GluR5/6/7), NMDAR1, calbindin (CB) and cytochrome oxidase. The present results are mainly based on the ...
Neurodegenerative Changes in the Motor Cortex and Cerebellum in Wistar... Following Acute Pneumococcal Meningitis
... blood and CSF that engage Toll-like receptors of the endothelium that trigger a downstream cascade. The endothelial cells activate the release of Tumor necrosis factoralpha (TNF-α), nitric oxide and matrix metalloproteinase-2 (MMP-2). This activation leads to increased permeability[1-3]. The endothe ...
... blood and CSF that engage Toll-like receptors of the endothelium that trigger a downstream cascade. The endothelial cells activate the release of Tumor necrosis factoralpha (TNF-α), nitric oxide and matrix metalloproteinase-2 (MMP-2). This activation leads to increased permeability[1-3]. The endothe ...
Csercsa Richárd
... An important milestone in the history of sleep research is the experiment by Frederick Bremer in 1935 (Bremer, C R Soc Biol, 1936). He surgically isolated the brain from the body by cutting the neural axis between the brain stem and the spinal cord at the level of the first or second cervical verteb ...
... An important milestone in the history of sleep research is the experiment by Frederick Bremer in 1935 (Bremer, C R Soc Biol, 1936). He surgically isolated the brain from the body by cutting the neural axis between the brain stem and the spinal cord at the level of the first or second cervical verteb ...
Circadian and histaminergic regulation of the sleep
... histaminergic neurons that, in conjunction with monoaminergic nuclei of the brainstem and basal forebrain centers, constitute the ascending arousal system (AAS). The AAS in combination with the nuclei of preoptic area, and the circadian clock form a complex network that regulate the sleep-wakefulnes ...
... histaminergic neurons that, in conjunction with monoaminergic nuclei of the brainstem and basal forebrain centers, constitute the ascending arousal system (AAS). The AAS in combination with the nuclei of preoptic area, and the circadian clock form a complex network that regulate the sleep-wakefulnes ...
Dopamine-Independent Locomotion Following Blockade of N
... and/or associated with enhanced dopamine transmission in the nucleus accumbens (Kelley et al., 1979; Cador et al., 1989; Yoshida et al., 1997). Thus, to date the initiation of motor activity by modulating neurotransmission in the VTA is dopamine-dependent, arising from either a direct activation of ...
... and/or associated with enhanced dopamine transmission in the nucleus accumbens (Kelley et al., 1979; Cador et al., 1989; Yoshida et al., 1997). Thus, to date the initiation of motor activity by modulating neurotransmission in the VTA is dopamine-dependent, arising from either a direct activation of ...
Specificity in Inhibitory Systems Associated with Prefrontal Pathways to
... to inhibitory neurons labeled for calbindin (CB) or parvalbumin (PV), which differ in mode of inhibition. Projection neurons in area 10 originated mostly in layers 2--3 and were intermingled with CB inhibitory neurons. In contrast, projections from area 32 originated predominantly in layers 5--6 amo ...
... to inhibitory neurons labeled for calbindin (CB) or parvalbumin (PV), which differ in mode of inhibition. Projection neurons in area 10 originated mostly in layers 2--3 and were intermingled with CB inhibitory neurons. In contrast, projections from area 32 originated predominantly in layers 5--6 amo ...
PDF file
... Among the different stages of the explicit matching approaches, the correspondence problem is believed to be the most challenging step; i.e., the problem of matching each pixel of one image to a pixel in the other [22]. Solutions to the correspondence problem have been explored using area-based, fea ...
... Among the different stages of the explicit matching approaches, the correspondence problem is believed to be the most challenging step; i.e., the problem of matching each pixel of one image to a pixel in the other [22]. Solutions to the correspondence problem have been explored using area-based, fea ...