Temporal Plasticity Involved in Recovery from Manual Dexterity
... motor cortex and corticospinal tract than are other monkeys used in experimental research (e.g., squirrel monkeys and marmosets) (for review, see Courtine et al., 2007). This motor system homology with humans, in combination with the relatively large macaque brain, makes imaging data obtained in rhe ...
... motor cortex and corticospinal tract than are other monkeys used in experimental research (e.g., squirrel monkeys and marmosets) (for review, see Courtine et al., 2007). This motor system homology with humans, in combination with the relatively large macaque brain, makes imaging data obtained in rhe ...
Effective connectivity of the subthalamic nucleus
... cortical oscillations and neurons in the STN–GP network in a clinically relevant rat model of PD, as well as by biological data in existing publications. As detailed below, our general strategy was to mathematically define several firing rate-based computational models with distinct combinations of ...
... cortical oscillations and neurons in the STN–GP network in a clinically relevant rat model of PD, as well as by biological data in existing publications. As detailed below, our general strategy was to mathematically define several firing rate-based computational models with distinct combinations of ...
MAY 5, 2000 Submitted to the Annual Review of Neuroscience AN
... patterns of activity that represent goals and the means to achieve them. They provide bias signals throughout much of the rest of the brain, affecting not only visual processes, but also other sensory modalities, as well as systems responsible for response execution, memory retrieval, emotional eval ...
... patterns of activity that represent goals and the means to achieve them. They provide bias signals throughout much of the rest of the brain, affecting not only visual processes, but also other sensory modalities, as well as systems responsible for response execution, memory retrieval, emotional eval ...
memory systems in the brain
... by neuronal activity in each brain region, and on the effects of lesions, all provide the foundation for a computational understanding of brain function in terms of the neuronal network operations being performed in each region (Rolls & Treves 1998). Crucial brain systems to understand are those inv ...
... by neuronal activity in each brain region, and on the effects of lesions, all provide the foundation for a computational understanding of brain function in terms of the neuronal network operations being performed in each region (Rolls & Treves 1998). Crucial brain systems to understand are those inv ...
(2006) Changes in visual receptive fields with microstimulation of
... The influence of attention on visual cortical neurons has been described in terms of its effect on the structure of receptive fields (RFs), where multiple stimuli compete to drive neural responses and ultimately behavior. We stimulated the frontal eye field (FEF) of passively fixating monkeys and pr ...
... The influence of attention on visual cortical neurons has been described in terms of its effect on the structure of receptive fields (RFs), where multiple stimuli compete to drive neural responses and ultimately behavior. We stimulated the frontal eye field (FEF) of passively fixating monkeys and pr ...
α3β1 integrin modulates neuronal migration and placement during
... al., 2003; Nadarajah et al., 2001; Nadarajah and Parnavelas, 2002; O’Rourke et al., 1992; Rakic, 1972; Yakubova and Komuro, 2002). Abnormalities in neuronal migration and layer formation lead to abnormal placement and connectivity of cortical neurons, an underlying cause of many congenital brain dis ...
... al., 2003; Nadarajah et al., 2001; Nadarajah and Parnavelas, 2002; O’Rourke et al., 1992; Rakic, 1972; Yakubova and Komuro, 2002). Abnormalities in neuronal migration and layer formation lead to abnormal placement and connectivity of cortical neurons, an underlying cause of many congenital brain dis ...
Corticomuscular Contributions to the Control of Rhythmic Movement
... The inherent simplicity of human locomotion is deceiving in nature and its complexity becomes apparent when we observe children as they learn to walk or patients suffering from neuromuscular disorders. Human movement requires inputs from supraspinal and spinal centers as well as sensory afferent fee ...
... The inherent simplicity of human locomotion is deceiving in nature and its complexity becomes apparent when we observe children as they learn to walk or patients suffering from neuromuscular disorders. Human movement requires inputs from supraspinal and spinal centers as well as sensory afferent fee ...
The seasonal hippocampus of food-storing birds.
... time with a cell-birth marker such as tritiated thymidine or bromodeoxyuridine (BrdU). Cell-birth markers are incorporated into the nucleus of dividing cells during the S-phase of mitosis and the marker can later be detected by autoradiography or immunocytochemistry. In Barnea and Nottebohm’s study, ...
... time with a cell-birth marker such as tritiated thymidine or bromodeoxyuridine (BrdU). Cell-birth markers are incorporated into the nucleus of dividing cells during the S-phase of mitosis and the marker can later be detected by autoradiography or immunocytochemistry. In Barnea and Nottebohm’s study, ...
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... Theories of temporal coding by cortical neurons are supported by observations that individual neurons can respond to sensory stimulation with millisecond precision and that activity in large populations is often highly correlated. Synchronization is highest between neurons with overlapping receptive ...
... Theories of temporal coding by cortical neurons are supported by observations that individual neurons can respond to sensory stimulation with millisecond precision and that activity in large populations is often highly correlated. Synchronization is highest between neurons with overlapping receptive ...
lmmunocytochemical Mapping of 18236, A Brain
... of these (see McKay et al., 1981) emerged from analysis of monoclonal antibodies raised against brain. Of these potential nervous system-specific markers, only neuron-specific enolase has been characterized to the extent of molecular and cellular identification (Schmechel et al., 1978; Kennedy, 1982 ...
... of these (see McKay et al., 1981) emerged from analysis of monoclonal antibodies raised against brain. Of these potential nervous system-specific markers, only neuron-specific enolase has been characterized to the extent of molecular and cellular identification (Schmechel et al., 1978; Kennedy, 1982 ...
chapter 4 the evolution of body, brain, behavior, and mind in
... Intuitively, this creation myth makes excellent sense. How else could such a complex organism come into existence but by the design of a Creator? And why else can we think and reason, and have a moral sense? But what about the created beasts, what function do they serve? The answer was that God crea ...
... Intuitively, this creation myth makes excellent sense. How else could such a complex organism come into existence but by the design of a Creator? And why else can we think and reason, and have a moral sense? But what about the created beasts, what function do they serve? The answer was that God crea ...
Visual and Oculomotor Functions of Monkey Subthalamic Nucleus
... task)]. In the delayed saccade task, this spot was also turned on briefly as mine hydrochloride. Eye movementswere recordedwith the use the cue of a future target while the monkey was fixating. The depression at of the magneticsearch-coiltechnique ( Robinson 1963) . The behavioraltasksaswell asstora ...
... task)]. In the delayed saccade task, this spot was also turned on briefly as mine hydrochloride. Eye movementswere recordedwith the use the cue of a future target while the monkey was fixating. The depression at of the magneticsearch-coiltechnique ( Robinson 1963) . The behavioraltasksaswell asstora ...
Teacher Guide
... 12. Considering that salt is also the primary mode of conduction in animal cells (specifically, through sodium-potassium pumps), explain what you think might be the effects of the on nerve cell behavior and function if an organism is deprived of salt. Salt deprivation (hyponatremia) results in overa ...
... 12. Considering that salt is also the primary mode of conduction in animal cells (specifically, through sodium-potassium pumps), explain what you think might be the effects of the on nerve cell behavior and function if an organism is deprived of salt. Salt deprivation (hyponatremia) results in overa ...
Neuroimaging of cognitive functions in human parietal cortex Jody C
... Attention and eye movements Few would challenge the claim that the parietal lobes play an important role in visual attention [6,43], the mechanism that enables us to direct our processing resources to a subset of the available information. Most physiological research on attention has focused on area ...
... Attention and eye movements Few would challenge the claim that the parietal lobes play an important role in visual attention [6,43], the mechanism that enables us to direct our processing resources to a subset of the available information. Most physiological research on attention has focused on area ...
OLED_Optogenetics_abstract_v3_wo_links
... and the plugin MtrackJ. From those positions, we calculated the distance between head and tail, which indicates whether the larva is relaxed or contracted. OLED illumination timing was tracked from the videos as well. As an example, Figure 3b shows head-tail distance traces for two OLED power densit ...
... and the plugin MtrackJ. From those positions, we calculated the distance between head and tail, which indicates whether the larva is relaxed or contracted. OLED illumination timing was tracked from the videos as well. As an example, Figure 3b shows head-tail distance traces for two OLED power densit ...
Maruska et al. 2007
... area, and midbrain tegmentum, and AVT-ir somata within parvocellular, magnocellular, and gigantocellular regions of the preoptic area. Sex differences were found among all GnRH and AVT cell groups, but were time-period dependent. Seasonal variations also occurred in all GnRH and AVT cell groups, wit ...
... area, and midbrain tegmentum, and AVT-ir somata within parvocellular, magnocellular, and gigantocellular regions of the preoptic area. Sex differences were found among all GnRH and AVT cell groups, but were time-period dependent. Seasonal variations also occurred in all GnRH and AVT cell groups, wit ...
14132.full - Explore Bristol Research
... 5 s of the spike activity were analyzed. Spontaneous activity measured 5 or 10 s before the onset of the stimulus was subtracted from responses to innocuous and noxious stimuli, respectively. Responses of class 4 spinoolivary neurons were elicited by manual full ankle joint rotation (class 4 neurons ...
... 5 s of the spike activity were analyzed. Spontaneous activity measured 5 or 10 s before the onset of the stimulus was subtracted from responses to innocuous and noxious stimuli, respectively. Responses of class 4 spinoolivary neurons were elicited by manual full ankle joint rotation (class 4 neurons ...
$doc.title
... Research shows that skill learning emerges as a result of the experience-dependent plasticity in the basal-ganglia-cortical neural circuits (e.g., Graybiel, 2008). Two major forms of learning are observed in these circuits. Discrimination learning allows recognition of pattern of stimuli and selecti ...
... Research shows that skill learning emerges as a result of the experience-dependent plasticity in the basal-ganglia-cortical neural circuits (e.g., Graybiel, 2008). Two major forms of learning are observed in these circuits. Discrimination learning allows recognition of pattern of stimuli and selecti ...
IN VIVO Research Article SHIVAPRIYA SHIVAKUMAR
... excessive exposure of the cells to these free radicals can cause severe damage to it. It is evident from earlier studies that intrinsic oxidative stress and cell damage increases with age due to diminished antioxidant defenses or with an increase in mitochondrial dysfunction [7].A number of studies ...
... excessive exposure of the cells to these free radicals can cause severe damage to it. It is evident from earlier studies that intrinsic oxidative stress and cell damage increases with age due to diminished antioxidant defenses or with an increase in mitochondrial dysfunction [7].A number of studies ...
Synaptic Depression and the Temporal Response Characteristics of
... a few Hertz and fall rapidly to zero above !10 Hz. This might give the impression that cortical neurons act as low-pass filters of the sensory stimuli that drive them. However, the same neurons can exhibit vigorous responses to transients, such as rapid stimulus onsets, that have much of their power ...
... a few Hertz and fall rapidly to zero above !10 Hz. This might give the impression that cortical neurons act as low-pass filters of the sensory stimuli that drive them. However, the same neurons can exhibit vigorous responses to transients, such as rapid stimulus onsets, that have much of their power ...
Signaling by truncated Dab1 protein - Development
... reelin zone (Nadarajah et al., 2001; Tabata and Nakajima, 2001). Together, these results suggest that reelin is a ‘stop signal’ for migrating neurons of the CP (Frotscher, 1997; Ogawa et al., 1995; Pearlman and Sheppard, 1996; Schiffmann et al., 1997). However, this model does not provide a simple e ...
... reelin zone (Nadarajah et al., 2001; Tabata and Nakajima, 2001). Together, these results suggest that reelin is a ‘stop signal’ for migrating neurons of the CP (Frotscher, 1997; Ogawa et al., 1995; Pearlman and Sheppard, 1996; Schiffmann et al., 1997). However, this model does not provide a simple e ...
5-28-2007
... sample paradigm sensitive for working memory, activations were found in the dorsolateral prefrontal cortex and basal forebrain regions (Swartz et al., 1995). ...
... sample paradigm sensitive for working memory, activations were found in the dorsolateral prefrontal cortex and basal forebrain regions (Swartz et al., 1995). ...