Down
... line represents the new head properties of the same neuron when the rodent is placed in the new unfamiliar maze. The new response properties will normally be similar to the previous one, that is, head direction cells try to maintain approximately their response properties to specific head directions ...
... line represents the new head properties of the same neuron when the rodent is placed in the new unfamiliar maze. The new response properties will normally be similar to the previous one, that is, head direction cells try to maintain approximately their response properties to specific head directions ...
Tyrosine Hydroxylase in the Rat Parabrachial Region: Ultrastructural
... Axons and axon terminals with TH-I comprised the remaining 83% (524 out of 625) of all labeled profiles in the dorsal, ventral, central, and external nuclei of the PBR. The axons were primarily small (0.1-0.2 pm in diameter) and unmyelinated (Fig. 4A). However, occasionally a slightly larger (0.3-0. ...
... Axons and axon terminals with TH-I comprised the remaining 83% (524 out of 625) of all labeled profiles in the dorsal, ventral, central, and external nuclei of the PBR. The axons were primarily small (0.1-0.2 pm in diameter) and unmyelinated (Fig. 4A). However, occasionally a slightly larger (0.3-0. ...
Functional Organization of Ferret Auditory Cortex
... manually clustering data according to spike features, such as amplitude, width and area. We also inspected inter-spike-interval (ISI) histograms and only cases for which the ISI revealed a clear refractory period were classed as single units. For a minority of recordings, we were unable to demonstra ...
... manually clustering data according to spike features, such as amplitude, width and area. We also inspected inter-spike-interval (ISI) histograms and only cases for which the ISI revealed a clear refractory period were classed as single units. For a minority of recordings, we were unable to demonstra ...
Word doc - Center for Neural Science
... throughout the lemniscal auditory system (Calford et al. 1983), including in the ventral division of the medial geniculate thalamus (MGv) that provides the the main auditory input to primary ACx (Roger and Arnault 1989; Romanski and LeDoux 1993). Since MGv neurons project to cortical neurons with th ...
... throughout the lemniscal auditory system (Calford et al. 1983), including in the ventral division of the medial geniculate thalamus (MGv) that provides the the main auditory input to primary ACx (Roger and Arnault 1989; Romanski and LeDoux 1993). Since MGv neurons project to cortical neurons with th ...
Propofol Inhibits Neuronal Firing Activities in the Caudal
... CVLM are mainly GABAergic, in contrast to the glutamatergic neurons in the RVLM.(14) However, in our study, propofol displayed similar actions on neuronal firings in these 2 areas. In other words, propofol not only inhibited neuronal firings in the pressor area, the RVLM, but also inhibited neuronal ...
... CVLM are mainly GABAergic, in contrast to the glutamatergic neurons in the RVLM.(14) However, in our study, propofol displayed similar actions on neuronal firings in these 2 areas. In other words, propofol not only inhibited neuronal firings in the pressor area, the RVLM, but also inhibited neuronal ...
189084_189084 - espace@Curtin
... subregions of A10 (7.1-74.1%) with the only exception of PBP (95.6%). Some A8 neurons were unusual in that they were TH+ but not DAT+ (Fig. 2e, arrow). This suggests that some A8 neurons do not have the capacity to reuptake dopamine somatodendritically. In addition, there were some neurons in the RR ...
... subregions of A10 (7.1-74.1%) with the only exception of PBP (95.6%). Some A8 neurons were unusual in that they were TH+ but not DAT+ (Fig. 2e, arrow). This suggests that some A8 neurons do not have the capacity to reuptake dopamine somatodendritically. In addition, there were some neurons in the RR ...
A Hebbian learning rule gives rise to mirror neurons and links them
... a remarkable correspondence between sensory and motor roles in single neurons has led to numerous suggestions about the function of mirror neurons in communication, imitation learning, cultural learning, and language development (Rizzolatti and Craighero, 2004; Oztop et al., 2012). Most importantly, ...
... a remarkable correspondence between sensory and motor roles in single neurons has led to numerous suggestions about the function of mirror neurons in communication, imitation learning, cultural learning, and language development (Rizzolatti and Craighero, 2004; Oztop et al., 2012). Most importantly, ...
Functional Microarchitecture of Cat Primary Visual Cortex
... more clustered than would be expected from a random distribution. However, preferred phase, direction selectivity, relative modulation (F1/DC), and spatial frequency preference and tuning width showed no such clustering. By investigating the temporal patterns of neighbouring neurons in response to m ...
... more clustered than would be expected from a random distribution. However, preferred phase, direction selectivity, relative modulation (F1/DC), and spatial frequency preference and tuning width showed no such clustering. By investigating the temporal patterns of neighbouring neurons in response to m ...
T3 Final Paper - Drew University
... clear patterned responses to any of the odors presented, suggesting that they were not tuned. However, a more clear relationship between the peak of the LFP signal and the firing of an action potential was discovered. This suggests that cells in the brain are firing in groups. In sum, these findings ...
... clear patterned responses to any of the odors presented, suggesting that they were not tuned. However, a more clear relationship between the peak of the LFP signal and the firing of an action potential was discovered. This suggests that cells in the brain are firing in groups. In sum, these findings ...
Histamine neurons in the tuberomamillary nucleus: a whole center
... of the posterior hypothalamus, to innervate almost all central nervous system (CNS) regions. This feature, a compact cell group with widely distributed fibers, resembles that of other amine systems, such as noradrenaline or serotonin, and is consistent with a function for histamine over a host of ph ...
... of the posterior hypothalamus, to innervate almost all central nervous system (CNS) regions. This feature, a compact cell group with widely distributed fibers, resembles that of other amine systems, such as noradrenaline or serotonin, and is consistent with a function for histamine over a host of ph ...
Fine-scale specificity of cortical networks depends on inhibitory cell
... receive input from different cortical layers. Neighboring neurons of the same type, however, tend to receive local input from the same cortical layers. Most recently, it has been found that even neighboring neurons of the same anatomical type can, nevertheless, receive input from different sources22 ...
... receive input from different cortical layers. Neighboring neurons of the same type, however, tend to receive local input from the same cortical layers. Most recently, it has been found that even neighboring neurons of the same anatomical type can, nevertheless, receive input from different sources22 ...
Synaptic function: Dendritic democracy
... of origin in the dendrites to the soma and into the axon before they can influence neuronal output. Dendrites behave rather like leaky electrical cables, however, in that they filter electrical signals passing through them. As a consequence, when they arrive at the soma, synaptic potentials generate ...
... of origin in the dendrites to the soma and into the axon before they can influence neuronal output. Dendrites behave rather like leaky electrical cables, however, in that they filter electrical signals passing through them. As a consequence, when they arrive at the soma, synaptic potentials generate ...
Vision`s First Steps: Anatomy, Physiology, and Perception in the
... The functional anatomy of the retina is enormously rich and complicated. A short overview is provided here, to set a basis to understand the next few stages of the visual hierarchy. The three nuclear layers are the photoreceptor layer (which lies on the back on the retina, farthest from the light co ...
... The functional anatomy of the retina is enormously rich and complicated. A short overview is provided here, to set a basis to understand the next few stages of the visual hierarchy. The three nuclear layers are the photoreceptor layer (which lies on the back on the retina, farthest from the light co ...
Distribution of neurons in functional areas of the mouse cerebral
... used mouse brain atlas, in which the cerebral cortex has been segmented by careful comparison of cytoarchitectonic, connectivity, and functional data (Franklin and Paxinos, 2007). The availability of these cortical subdivision maps, together with the small brain size, makes the mouse cerebral cortex ...
... used mouse brain atlas, in which the cerebral cortex has been segmented by careful comparison of cytoarchitectonic, connectivity, and functional data (Franklin and Paxinos, 2007). The availability of these cortical subdivision maps, together with the small brain size, makes the mouse cerebral cortex ...
the inferior colliculus of the rat: quantitative
... For each field, the mean gray level (MF) and the standard deviation of gray values (S.D.F) were measured. From each field (768⫻512 pixels), five to seven neurons among those that showed a nucleus were selected at random by the experimenter. Typically, this number amounted to 70 – 80% of the total numbe ...
... For each field, the mean gray level (MF) and the standard deviation of gray values (S.D.F) were measured. From each field (768⫻512 pixels), five to seven neurons among those that showed a nucleus were selected at random by the experimenter. Typically, this number amounted to 70 – 80% of the total numbe ...
Brainstem: neural networks vital for life
... the nervous system from the molecular level to perception, memory and linguistics. Yet in all the 1568 pages, there is not one sentence about how the respiratory rhythm is generated and controlled by the brainstem. The relatively low profile of brainstem studies can be attributed to three main facto ...
... the nervous system from the molecular level to perception, memory and linguistics. Yet in all the 1568 pages, there is not one sentence about how the respiratory rhythm is generated and controlled by the brainstem. The relatively low profile of brainstem studies can be attributed to three main facto ...
BRAIN DYNAMICS AT MULTIPLE SCALES: CAN ONE RECONCILE
... Dynamics in Brain Activity The above results are consistent with the idea that awake brain activity may be associated with high-dimensional dynamics, perhaps analogous to a stochastic system. To further investigate this aspect, we have examined data from animal experiments in which both microscopic ...
... Dynamics in Brain Activity The above results are consistent with the idea that awake brain activity may be associated with high-dimensional dynamics, perhaps analogous to a stochastic system. To further investigate this aspect, we have examined data from animal experiments in which both microscopic ...
Neuronal calcium-binding proteins 1/2 localize to dorsal root ganglia
... C terminus, which are linked by a NECAB homogeneous region (22). NECAB1/2 are restricted to the nervous system, whereas NECAB3 is also expressed in the heart and skeletal muscle (21). NECAB1 was first identified as the target protein of synaptotagmin I C2A-domain by affinity chromatography, with its ...
... C terminus, which are linked by a NECAB homogeneous region (22). NECAB1/2 are restricted to the nervous system, whereas NECAB3 is also expressed in the heart and skeletal muscle (21). NECAB1 was first identified as the target protein of synaptotagmin I C2A-domain by affinity chromatography, with its ...
Modulation of Sympathetic and Somatomotor Function by the
... power in the frequency range of 0 – 4 Hz for 30-s epochs before and after the stimulus. This low frequency power typically decreases in response to noxious stimulation (Grahn and Heller 1989), and the percentage decrease was used as a measure of cortical “desynchronization.” In some animals (n ⫽ 6), ...
... power in the frequency range of 0 – 4 Hz for 30-s epochs before and after the stimulus. This low frequency power typically decreases in response to noxious stimulation (Grahn and Heller 1989), and the percentage decrease was used as a measure of cortical “desynchronization.” In some animals (n ⫽ 6), ...
Olfaction
... However, each olfactory nerve fiber and central olfactory neuron responds to multiple odorants. The spatial distribution of activity in the salamander olfactory bulb is the same for three very different odors (although absolute levels of activity are different). ...
... However, each olfactory nerve fiber and central olfactory neuron responds to multiple odorants. The spatial distribution of activity in the salamander olfactory bulb is the same for three very different odors (although absolute levels of activity are different). ...
Neuropeptide-Mediated Facilitation and Inhibition of Sensory Inputs
... (i.e., the train of spikes evoked by tail fin stimulation) was measured as the peak of the integrated trace. The area was measured for as long as the burst evoked by tail fin stimulation occurred, typically ,500 ms. Three trials were performed in control, in the presence of the drug, and after wash- ...
... (i.e., the train of spikes evoked by tail fin stimulation) was measured as the peak of the integrated trace. The area was measured for as long as the burst evoked by tail fin stimulation occurred, typically ,500 ms. Three trials were performed in control, in the presence of the drug, and after wash- ...
ARTICULOS PUBLICADOS EN REVISTAS ELECTRÓNICAS: TRABAJO 1:
... For consistence with previous reports (Puig et al., 2003; Amargós-Bosch et al., 2004), we give the intensity of the response as percent of pre-stimulus firing for inhibitions and as success rate for excitations (i.e., percent concordance with each stimulus delivered). inhibition of short latency and ...
... For consistence with previous reports (Puig et al., 2003; Amargós-Bosch et al., 2004), we give the intensity of the response as percent of pre-stimulus firing for inhibitions and as success rate for excitations (i.e., percent concordance with each stimulus delivered). inhibition of short latency and ...
NK1 receptor-expressing spinoparabrachial neurons trigger diffuse
... were distinguished according to their latencies. It was previously shown that burst discharges at latencies >30 ms are elicited by C-fibers [17,31]. Therefore, all spikes between 30 and 300 ms post-stimulus were considered as C-fiber-evoked. 4.5. Experimental design The experimental procedure involved ...
... were distinguished according to their latencies. It was previously shown that burst discharges at latencies >30 ms are elicited by C-fibers [17,31]. Therefore, all spikes between 30 and 300 ms post-stimulus were considered as C-fiber-evoked. 4.5. Experimental design The experimental procedure involved ...