Visuospatial processing and the right
... suggested, ‘‘The Ôimportant sideÕ of the left hemisphere is the anterior lobe, and the important side of the right the posterior lobe’’ (Jackson, 1874/1915). These neurological observations laid the groundwork for the popular view of hemispheric organization that emerged in subsequent years that the ...
... suggested, ‘‘The Ôimportant sideÕ of the left hemisphere is the anterior lobe, and the important side of the right the posterior lobe’’ (Jackson, 1874/1915). These neurological observations laid the groundwork for the popular view of hemispheric organization that emerged in subsequent years that the ...
Spike-timing dependent plasticity and the cognitive map
... O’Keefe, 2007; Huxter et al., 2008). Furthermore, the selective elimination of causal temporal correlations in place cell activity prevents the potentiation of interconnecting synapses (Isaac et al., 2009). These findings suggest that rate-based models may not be adequate to replicate the dynamics o ...
... O’Keefe, 2007; Huxter et al., 2008). Furthermore, the selective elimination of causal temporal correlations in place cell activity prevents the potentiation of interconnecting synapses (Isaac et al., 2009). These findings suggest that rate-based models may not be adequate to replicate the dynamics o ...
Lorazepam dose-dependently decreases risk-taking
... Materials and methods Fifteen healthy, nonsmoking, individuals (six women, nine men), aged 18–39 years (mean 27.6±1.4 years) with 12–18 years of education (mean 15.6± 0.3 years) underwent functional magnetic resonance imaging while performing a risk-taking decision-making task. Results Our results s ...
... Materials and methods Fifteen healthy, nonsmoking, individuals (six women, nine men), aged 18–39 years (mean 27.6±1.4 years) with 12–18 years of education (mean 15.6± 0.3 years) underwent functional magnetic resonance imaging while performing a risk-taking decision-making task. Results Our results s ...
judasMRT99
... cortex, the NOS expression reveals architectonic compartments related to the ingrowth of afferent fibers (Schilling et al., 1994; Yan et al., 1993). In the olfactory system, NO mediates the formation of synaptic connections (Roskams et al., 1994), and in the developing hippocampus NO induces calcium ...
... cortex, the NOS expression reveals architectonic compartments related to the ingrowth of afferent fibers (Schilling et al., 1994; Yan et al., 1993). In the olfactory system, NO mediates the formation of synaptic connections (Roskams et al., 1994), and in the developing hippocampus NO induces calcium ...
Morphology, Deep cerebellar nuclei, C. gambianus
... termite mounds and at the base of trees. They are nocturnal animals and usually lead solitary lives and forage alone [1]. The search for alternative animal protein source has popularized attempts to domesticate and breed wild rodents such as African giant pouched rat (AGR) in African sub region (Nat ...
... termite mounds and at the base of trees. They are nocturnal animals and usually lead solitary lives and forage alone [1]. The search for alternative animal protein source has popularized attempts to domesticate and breed wild rodents such as African giant pouched rat (AGR) in African sub region (Nat ...
Spike-Timing Theory of Working Memory
... and deactivates with time constant of 250 ms. (D) Persistent pre-thenpost train of action potentials flips the dendritic compartment into upstate. While in the up-state, each pre-synaptic spike results in a largeamplitude dendritic excitatory postsynaptic potential (black trace V (dendritic)), often ...
... and deactivates with time constant of 250 ms. (D) Persistent pre-thenpost train of action potentials flips the dendritic compartment into upstate. While in the up-state, each pre-synaptic spike results in a largeamplitude dendritic excitatory postsynaptic potential (black trace V (dendritic)), often ...
Dual single unit recording in Globus Pallidus (GP) and Subthalamic
... relationship between the two nuclei. A. An in-phase relationship is represented by firing rates that change in the same direction (increase or decrease) in both GP and STN. B An out-ofphase relationship is represented by firing rates that change in the opposite direction in GP and STN. ...
... relationship between the two nuclei. A. An in-phase relationship is represented by firing rates that change in the same direction (increase or decrease) in both GP and STN. B An out-ofphase relationship is represented by firing rates that change in the opposite direction in GP and STN. ...
Aalborg Universitet Brain plasticity Wang, Li
... or after various modulatory effects. Study I used painful and non-painful finger stimulation applied to the thumb and little finger tips which as an experimental model to present the brain response to the peripheral stimulation. Study II explored the effect of acupuncture modulation on EEG power spe ...
... or after various modulatory effects. Study I used painful and non-painful finger stimulation applied to the thumb and little finger tips which as an experimental model to present the brain response to the peripheral stimulation. Study II explored the effect of acupuncture modulation on EEG power spe ...
neuronal coding of prediction errors
... outcomes (reward, punishment, behavioral reactions, external stimuli, internal states). Outcomes whose magnitude or frequency is different than predicted modify behavior in a direction that reduces the discrepancy between the outcome and its prediction. Changes in predictions and behavior continue u ...
... outcomes (reward, punishment, behavioral reactions, external stimuli, internal states). Outcomes whose magnitude or frequency is different than predicted modify behavior in a direction that reduces the discrepancy between the outcome and its prediction. Changes in predictions and behavior continue u ...
Three key sequences HDEV
... curves shown in Figure 4.1 on the next page, but research suggests that infants actually grow in spurts. About 90%–95% of the time, they are not growing at all. One study measured the height of infants throughout their first 21 months (Lampl et al., 1992). The researchers found that the infants woul ...
... curves shown in Figure 4.1 on the next page, but research suggests that infants actually grow in spurts. About 90%–95% of the time, they are not growing at all. One study measured the height of infants throughout their first 21 months (Lampl et al., 1992). The researchers found that the infants woul ...
Appendix S1 Relation of local short
... (i) A single EEG spectrum reflects the coordinated activity of tens and hundreds of thousands of neurons at a particular point in time [1]. However, there is no simple (oneto-one) relation between a power spectrum computed from short epochs of ongoing EEG and the actual state of the neurons in the u ...
... (i) A single EEG spectrum reflects the coordinated activity of tens and hundreds of thousands of neurons at a particular point in time [1]. However, there is no simple (oneto-one) relation between a power spectrum computed from short epochs of ongoing EEG and the actual state of the neurons in the u ...
Chapter 3 - University of South Alabama
... Cooperative Learning Some portions of the brain do not become myelinated until a child becomes 5-6 years of age. Meet M t with ith your study t d group members b and d discuss how a child’s behavior may likely differ due to the presence or absence of myelin. You have 60 seconds. Revision 2006 ...
... Cooperative Learning Some portions of the brain do not become myelinated until a child becomes 5-6 years of age. Meet M t with ith your study t d group members b and d discuss how a child’s behavior may likely differ due to the presence or absence of myelin. You have 60 seconds. Revision 2006 ...
Mirror neurons or emulator neurons?
... actor from the action alone. The researchers in both studies made sure that, whatever the intention in the observed action would have been, the perceptual and motor properties of the initial action (grasping) were the same, and so its reproduction could not reveal the further goal. Thus, these findi ...
... actor from the action alone. The researchers in both studies made sure that, whatever the intention in the observed action would have been, the perceptual and motor properties of the initial action (grasping) were the same, and so its reproduction could not reveal the further goal. Thus, these findi ...
Role of Slitrk Family Members in
... The development of the nervous system is an extremely complex process where gene expression is tightly regulated, both spatially and temporally. Any gene disruption during neurodevelopment, from the complete non-transcription of the gene to a single nucleotide mutation, has the potential to lead to ...
... The development of the nervous system is an extremely complex process where gene expression is tightly regulated, both spatially and temporally. Any gene disruption during neurodevelopment, from the complete non-transcription of the gene to a single nucleotide mutation, has the potential to lead to ...
α3β1 integrin modulates neuronal migration and placement during
... labeled actin is readily incorporated into the actin cytoskeleton, thus allowing in vivo time lapse recordings. Images were collected every 30 seconds for 10 minutes from the leading edges of transfected cells. The actin dynamics was significantly impaired in α3 integrin null cells (Fig. 5). The rat ...
... labeled actin is readily incorporated into the actin cytoskeleton, thus allowing in vivo time lapse recordings. Images were collected every 30 seconds for 10 minutes from the leading edges of transfected cells. The actin dynamics was significantly impaired in α3 integrin null cells (Fig. 5). The rat ...
A Fast, Reciprocal Pathway between the Lateral Geniculate Nucleus
... Consistent with past results (Bullier and Henry, 1980), spike propagation in the geniculocortical pathway was fast, as the mean orthodromic latency among GR neurons was 4.0 ⫾ 0.2 ms (Fig. 3A, dashed line). Orthodromic latencies for GRCG neurons were similar with an average latency of 4.2 ⫾ 0.4 ms ( ...
... Consistent with past results (Bullier and Henry, 1980), spike propagation in the geniculocortical pathway was fast, as the mean orthodromic latency among GR neurons was 4.0 ⫾ 0.2 ms (Fig. 3A, dashed line). Orthodromic latencies for GRCG neurons were similar with an average latency of 4.2 ⫾ 0.4 ms ( ...
Neural Correlates of Object-Associated Choice Behavior
... provided the accuracy of the choice, and the rat moved its snout into the food tray (Fig. 1A). Raster plots. A raster plot was built by aligning spike timestamps with reference to the timestamp for the choice event (bin size ⫽ 50 ms, time window ⫽ 4 s before and after choice). Among the cells with m ...
... provided the accuracy of the choice, and the rat moved its snout into the food tray (Fig. 1A). Raster plots. A raster plot was built by aligning spike timestamps with reference to the timestamp for the choice event (bin size ⫽ 50 ms, time window ⫽ 4 s before and after choice). Among the cells with m ...
Polarization-sensitive and light-sensitive neurons in two parallel
... pathways to the central complex include signal processing in the upper and lower units of the anterior optic tubercle. To determine whether these pathways carry polarization-vision signals, we have recorded the responses of interneurons of the optic tubercle of the locust to visual stimuli including ...
... pathways to the central complex include signal processing in the upper and lower units of the anterior optic tubercle. To determine whether these pathways carry polarization-vision signals, we have recorded the responses of interneurons of the optic tubercle of the locust to visual stimuli including ...
Neurons in red nucleus and primary motor cortex exhibit similar
... with the plate method, which describes several features of directional tuning without assuming an underlying tuning function (Gribble and Scott, 2002). This method characterizes the ‘‘mass distribution’’ of torque-related activity by assuming that activity changes linearly between sampled torque dir ...
... with the plate method, which describes several features of directional tuning without assuming an underlying tuning function (Gribble and Scott, 2002). This method characterizes the ‘‘mass distribution’’ of torque-related activity by assuming that activity changes linearly between sampled torque dir ...
(2006) Changes in visual receptive fields with microstimulation of
... attention. However, there have been no studies examining how attentional modulation depends on the spatial alignment of the locus of attention within the RF and the visual stimulus. Moreover, the results with single RF stimuli fail to provide a parallel to the most classic effect of attention on V4 ...
... attention. However, there have been no studies examining how attentional modulation depends on the spatial alignment of the locus of attention within the RF and the visual stimulus. Moreover, the results with single RF stimuli fail to provide a parallel to the most classic effect of attention on V4 ...
The projection of the lateral geniculate nucleus to area 17 of the rat
... their shafts were examined in serial thin sections. Reconstructions showed these dendrites varied in thickness between 2.5 and 0.5 [zm. They had essentially smooth contours and rarely showed evidence of protrusions or spines. They were further characterized by the presence of many synapses along the ...
... their shafts were examined in serial thin sections. Reconstructions showed these dendrites varied in thickness between 2.5 and 0.5 [zm. They had essentially smooth contours and rarely showed evidence of protrusions or spines. They were further characterized by the presence of many synapses along the ...
THE NEUROLOGIC EXAMINATION Ralph F
... executing movement. The medial part of VA nucleus is concerned with voluntary eye and head movements, while the lateral part is concerned with body and limb movements. ...
... executing movement. The medial part of VA nucleus is concerned with voluntary eye and head movements, while the lateral part is concerned with body and limb movements. ...
Organization of Visual Areas in Macaque and Human Cerebral
... next (Van Essen et al., 1984; Maunsell and Van Essen, 1987). This is compounded by substantial variability in the exact pattern of convolutions and in the location of areal boundaries relative to gyral and sulcal landmarks A compelling case for areal identification entails finding region-specific c ...
... next (Van Essen et al., 1984; Maunsell and Van Essen, 1987). This is compounded by substantial variability in the exact pattern of convolutions and in the location of areal boundaries relative to gyral and sulcal landmarks A compelling case for areal identification entails finding region-specific c ...
Ventral Premotor and Inferior Parietal Cortices
... Both monkeys were trained to perform a motor task (Fig. 1A) consisting of 2 different conditions. The first part of the task was identical in the 2 conditions: starting from a fixed position (Fig. 1A, left), the monkey was required to reach and grasp a piece of food (target) using a precision grip (Fi ...
... Both monkeys were trained to perform a motor task (Fig. 1A) consisting of 2 different conditions. The first part of the task was identical in the 2 conditions: starting from a fixed position (Fig. 1A, left), the monkey was required to reach and grasp a piece of food (target) using a precision grip (Fi ...