Developmental mechanics of the primate cerebral cortex
... Essen 1997). Since the exact development, spatial layout, and density of long-range projections in the primate brain are still not well delineated, it is currently impossible to relate the organization of connections to the specific shape of the whole brain in an analytical way. It is, however, alrea ...
... Essen 1997). Since the exact development, spatial layout, and density of long-range projections in the primate brain are still not well delineated, it is currently impossible to relate the organization of connections to the specific shape of the whole brain in an analytical way. It is, however, alrea ...
Central nervous System Lesions Leading to Disability
... convergence of peripheral and descending synapses on spinal neurons allows the flexibility instrumental in the central nervous system's affecting of motor neuron activity. The subthreshold depolarization of motoneurons by descending pathways facilitates the excitatory action of concurrent peripheral ...
... convergence of peripheral and descending synapses on spinal neurons allows the flexibility instrumental in the central nervous system's affecting of motor neuron activity. The subthreshold depolarization of motoneurons by descending pathways facilitates the excitatory action of concurrent peripheral ...
Physiological patterns in the hippocampo
... activity. How entorhinal ensembles form, interact, and accomplish emergent processes such as memory formation is not well-understood. We lack sufficient understanding of how neuronal ensembles in general can function transiently and distinctively from other neuronal ensembles. Ensemble interactions ...
... activity. How entorhinal ensembles form, interact, and accomplish emergent processes such as memory formation is not well-understood. We lack sufficient understanding of how neuronal ensembles in general can function transiently and distinctively from other neuronal ensembles. Ensemble interactions ...
Temporal and Spatial Integration in the Rat SI Vibrissa Cortex
... through the vibrissal field. Such processing of information appears to depend in part on intracortical mechanisms. INTRODUCTION ...
... through the vibrissal field. Such processing of information appears to depend in part on intracortical mechanisms. INTRODUCTION ...
USF Hyperbaric Biomedical Research Laboratory
... perturb various cellular processes at the molecular level due to the effects of pressure per se, gas partial pressure alone, and/or the production of secondary reaction productions such as O2-induced free radicals or CO2-induced protons. Altered pressure environments are routinely encountered in hyp ...
... perturb various cellular processes at the molecular level due to the effects of pressure per se, gas partial pressure alone, and/or the production of secondary reaction productions such as O2-induced free radicals or CO2-induced protons. Altered pressure environments are routinely encountered in hyp ...
Neurophysiological bases underlying the organization of intentional
... the many and diverse findings reported by neurophysiological studies on intentional actions, using behavioural paradigms extremely different one from the other in terms of motor complexity. 2.1. When, what and how of intentional actions Many authors employed different behavioural paradigms to investi ...
... the many and diverse findings reported by neurophysiological studies on intentional actions, using behavioural paradigms extremely different one from the other in terms of motor complexity. 2.1. When, what and how of intentional actions Many authors employed different behavioural paradigms to investi ...
Neuropeptide-Mediated Facilitation and Inhibition of Sensory Inputs
... data from the number of experiments indicated in each case. Results are expressed as means 6 SE; n numbers given in the text refer to the number of animals studied. ...
... data from the number of experiments indicated in each case. Results are expressed as means 6 SE; n numbers given in the text refer to the number of animals studied. ...
Physiological Patterns in the Hippocampo
... activity. How entorhinal ensembles form, interact, and accomplish emergent processes such as memory formation is not well-understood. We lack sufficient understanding of how neuronal ensembles in general can function transiently and distinctively from other neuronal ensembles. Ensemble interactions ...
... activity. How entorhinal ensembles form, interact, and accomplish emergent processes such as memory formation is not well-understood. We lack sufficient understanding of how neuronal ensembles in general can function transiently and distinctively from other neuronal ensembles. Ensemble interactions ...
Activity-dependent editing of neuromuscular synaptic connections
... related experiments suggest that inputs driven by each eye compete for cortical targets, and that more active terminals from the open eye have a competitive advantage over inactive inputs from the closed eye. Activity manipulations during the critical period produced permanent changes in the synapti ...
... related experiments suggest that inputs driven by each eye compete for cortical targets, and that more active terminals from the open eye have a competitive advantage over inactive inputs from the closed eye. Activity manipulations during the critical period produced permanent changes in the synapti ...
The horizontal brain slice preparation: a novel approach for
... connectivity between the different layers. Although it is evident that there exists extensive local connectivity between tectal neurons (Pratt et al. 2008), there are no reports, to date, of connections between individual tectal neurons, probably because the connections exist across layers and so co ...
... connectivity between the different layers. Although it is evident that there exists extensive local connectivity between tectal neurons (Pratt et al. 2008), there are no reports, to date, of connections between individual tectal neurons, probably because the connections exist across layers and so co ...
PDF
... The sizes of 'event' MURFs were plotted quantitatively using computer control of the visual stimulus and analysis or the acquired spike data. Visual stimuli consisted of square dark stimuli moved systematically, under computer control, across a large television screen. The approximate position of th ...
... The sizes of 'event' MURFs were plotted quantitatively using computer control of the visual stimulus and analysis or the acquired spike data. Visual stimuli consisted of square dark stimuli moved systematically, under computer control, across a large television screen. The approximate position of th ...
Cartesian spatial coordinates Computing reaching dynamics in
... Lukashin et al. 1996; Sanger 1996) or from neurons that encode intrinsic joint angular velocity (Mussa-Ivaldi 1988). The preferred directions (PDs) of motor cortical neurons exhibited a shoulder-centered reference frame when a few parts of the workspace were examined (Caminiti et al. 1990). In a mor ...
... Lukashin et al. 1996; Sanger 1996) or from neurons that encode intrinsic joint angular velocity (Mussa-Ivaldi 1988). The preferred directions (PDs) of motor cortical neurons exhibited a shoulder-centered reference frame when a few parts of the workspace were examined (Caminiti et al. 1990). In a mor ...
Mirror Proposal 8-01 - USC - University of Southern California
... The modeling of development defined above emphasizes how the infant monkey builds a basic motor repertoire of reachand-grasp actions and how these come to be integrated with a set of visual processes that, we hypothesize, develops first to provide feedback for the monkey's own actions and then serve ...
... The modeling of development defined above emphasizes how the infant monkey builds a basic motor repertoire of reachand-grasp actions and how these come to be integrated with a set of visual processes that, we hypothesize, develops first to provide feedback for the monkey's own actions and then serve ...
Tracking Whole-Brain Connectivity Dynamics in the Resting State
... terms (Hagmann et al. 2008; Buckner et al. 2009). This dramatically different view on aspects of brain function may in turn help improve diagnostic relevance for neuropsychiatric disorders, in particular where activation differences are subtle (Fornito and Bullmore 2012). Despite such progress, we a ...
... terms (Hagmann et al. 2008; Buckner et al. 2009). This dramatically different view on aspects of brain function may in turn help improve diagnostic relevance for neuropsychiatric disorders, in particular where activation differences are subtle (Fornito and Bullmore 2012). Despite such progress, we a ...
Descending Pathways in Motor Control
... green, arising from the brainstem reticular formation, superior colliculus, and vestibular complex. These fibers terminate bilaterally in the ventromedial part of the intermediate zone (IZ) shown as a green area in the spinal sections, with some direct projections to motoneurons supplying trunk and g ...
... green, arising from the brainstem reticular formation, superior colliculus, and vestibular complex. These fibers terminate bilaterally in the ventromedial part of the intermediate zone (IZ) shown as a green area in the spinal sections, with some direct projections to motoneurons supplying trunk and g ...
MIRROR NEURON FUNCTION: AN EXAMINATION OF
... food does not move his fingers. Another important aspect is that activation ceases when the food is made available to him. Whereas, if these neurons were related to pre-motor neurons then activation would have increased in response to preparation of movement execution, not decreased. This supports t ...
... food does not move his fingers. Another important aspect is that activation ceases when the food is made available to him. Whereas, if these neurons were related to pre-motor neurons then activation would have increased in response to preparation of movement execution, not decreased. This supports t ...
sample - Testbankonline.Com
... What are the different ways in which there is plasticity in the brain? ▪ Plasticity in the brain is due to a number of different factors. These can include neuronal growth (neurogenesis), changes in dendritic connections among neurons, and changes in chemicals bonds. In addition to alcohol, name oth ...
... What are the different ways in which there is plasticity in the brain? ▪ Plasticity in the brain is due to a number of different factors. These can include neuronal growth (neurogenesis), changes in dendritic connections among neurons, and changes in chemicals bonds. In addition to alcohol, name oth ...
Lesson #7-8
... processes information from multiple sensory channels (particularly vestibular and proprioceptive), together with motor impulses, and modulates the activity of motor nuclear areas in the brain and spinal cord. Anatomically, the cerebellum is made up of two hemispheres and the vermis that lies between ...
... processes information from multiple sensory channels (particularly vestibular and proprioceptive), together with motor impulses, and modulates the activity of motor nuclear areas in the brain and spinal cord. Anatomically, the cerebellum is made up of two hemispheres and the vermis that lies between ...
Purves ch. 8 + Kandel ch. 23 - Weizmann Institute of Science
... The long axis of the corpuscle is usually oriented parallel to the stretch lines in skin; thus, Ruffini’s corpuscles are particularly sensitive to the cutaneous stretching produced by digit or limb movements. They account for about 20% of the receptors in the human hand and do not elicit any particu ...
... The long axis of the corpuscle is usually oriented parallel to the stretch lines in skin; thus, Ruffini’s corpuscles are particularly sensitive to the cutaneous stretching produced by digit or limb movements. They account for about 20% of the receptors in the human hand and do not elicit any particu ...
Chemotherapy and Cognitive Impairment
... end of chemotherapy and 4–6 months thereafter. There were no significant differences between the dMPH and control groups with respect to either of the cognitive measures at any of the time points; however, the results may have been confounded by a trend that showed more cognitive impairment at base ...
... end of chemotherapy and 4–6 months thereafter. There were no significant differences between the dMPH and control groups with respect to either of the cognitive measures at any of the time points; however, the results may have been confounded by a trend that showed more cognitive impairment at base ...
Distribution and characterisation of Glucagon-like peptide
... Figure 1: GLP-1 receptor expressing cells in the CNS. A, B. Demonstrates the reporter expression in the dorsal vagal complex of the eYFP and tdRFP mice. Expression was equivalent in the area postrema (AP), nucleus tractus solitarius (NTS) and dorsal motor nucleus of the vagus (DMV). High levels of r ...
... Figure 1: GLP-1 receptor expressing cells in the CNS. A, B. Demonstrates the reporter expression in the dorsal vagal complex of the eYFP and tdRFP mice. Expression was equivalent in the area postrema (AP), nucleus tractus solitarius (NTS) and dorsal motor nucleus of the vagus (DMV). High levels of r ...
Patterns of neuronal migration in the embryonic cortex
... is often difficult to phenotype cells based on morphology alone. Brittis and colleagues described cells at early stages of cortical development that were immunopositive for a monoclonal antibody (2G12) that labels phosphorylated growth-associated-protein 43 (GAP-43), which is expressed in neurons [6 ...
... is often difficult to phenotype cells based on morphology alone. Brittis and colleagues described cells at early stages of cortical development that were immunopositive for a monoclonal antibody (2G12) that labels phosphorylated growth-associated-protein 43 (GAP-43), which is expressed in neurons [6 ...
Précis of The Brain and Emotion
... that even evolutionarily old systems such as the taste system appear to have been reconnected (compared to rodents) to place much more emphasis on cortical processing, taking place in areas such as the orbitofrontal cortex (see Chapter 2). The principle of the stage of sensory processing at which re ...
... that even evolutionarily old systems such as the taste system appear to have been reconnected (compared to rodents) to place much more emphasis on cortical processing, taking place in areas such as the orbitofrontal cortex (see Chapter 2). The principle of the stage of sensory processing at which re ...
An Intracranial EEG Study of the Neural Dynamics of Musical
... have reported on the latency of processing in the amygdala and orbitofrontal cortex (Oya et al. 2002; Eimer and Holmes 2002; Eger et al. 2003; Streit et al. 2003; Pourtois et al. 2004; Naccache et al. 2005; Pourtois et al. 2005; Gothard et al. 2007; van Heijnsbergen et al. 2007; James et al. 2008; M ...
... have reported on the latency of processing in the amygdala and orbitofrontal cortex (Oya et al. 2002; Eimer and Holmes 2002; Eger et al. 2003; Streit et al. 2003; Pourtois et al. 2004; Naccache et al. 2005; Pourtois et al. 2005; Gothard et al. 2007; van Heijnsbergen et al. 2007; James et al. 2008; M ...
Region Specific Micromodularity in the Uppermost Layers in Primate
... 30% sucrose. The brains were removed from the skulls and were immersed into 30% sucrose in 0.1 M PB. After the brains sank (for both series), some blocks were frozen with dry ice for future processing. The remaining blocks were cut serially in either the coronal or tangential plane by frozen microto ...
... 30% sucrose. The brains were removed from the skulls and were immersed into 30% sucrose in 0.1 M PB. After the brains sank (for both series), some blocks were frozen with dry ice for future processing. The remaining blocks were cut serially in either the coronal or tangential plane by frozen microto ...