Quantitative morphological changes in neurons from the dorsal
... difficulty of carrying out this type of research on humans, laboratory animals are used. Among these, rodents present many advantages (Masoro, 1990). Changes found in rodents can lead to an understanding of the processes taking place during human aging (John, 1972). Our investigation was carried out ...
... difficulty of carrying out this type of research on humans, laboratory animals are used. Among these, rodents present many advantages (Masoro, 1990). Changes found in rodents can lead to an understanding of the processes taking place during human aging (John, 1972). Our investigation was carried out ...
Functional Neuroanatomy for Posture and Gait Control
... vertebrates.14 It likely includes the cuneiform nucleus (CNF) and the pedunculopontine tegmental nucleus (PPN), although the precise location of the locomotor regulation still remains a matter of debate. The PPN is located in the ventrolateral part of the caudal mesencephalic reticular formation, co ...
... vertebrates.14 It likely includes the cuneiform nucleus (CNF) and the pedunculopontine tegmental nucleus (PPN), although the precise location of the locomotor regulation still remains a matter of debate. The PPN is located in the ventrolateral part of the caudal mesencephalic reticular formation, co ...
The Motor System of the Cortex and the Brain Stem
... Importantly, after the go signal was given, the discharge remained the same as it was during the delay period. This second observation suggests that the information that whatever the cell was coding during the delay period was the same as after the go signal. It seems likely that this information wa ...
... Importantly, after the go signal was given, the discharge remained the same as it was during the delay period. This second observation suggests that the information that whatever the cell was coding during the delay period was the same as after the go signal. It seems likely that this information wa ...
- Stem-cell and Brain Research Institute
... monkeys (Macaca fascicularis). Some of the results from these injections have already been reported in another article (Falchier et al., 2002). Central area 17 injections were in the cortex subserving 0º–2º in the lower visual field (M85RHDY and M85RHFsB). Injections aimed at the peripheral represen ...
... monkeys (Macaca fascicularis). Some of the results from these injections have already been reported in another article (Falchier et al., 2002). Central area 17 injections were in the cortex subserving 0º–2º in the lower visual field (M85RHDY and M85RHFsB). Injections aimed at the peripheral represen ...
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... Broca,Werniche,Kussmaul) , can be identified with the consciousness formation that can be interpreted as a sort of constant,continous and simultaneous low-noise effect. When the cortex receives sufficient afferent impulses, it is said to be aroused or activated. That is, a critical number of cortica ...
... Broca,Werniche,Kussmaul) , can be identified with the consciousness formation that can be interpreted as a sort of constant,continous and simultaneous low-noise effect. When the cortex receives sufficient afferent impulses, it is said to be aroused or activated. That is, a critical number of cortica ...
Towards understanding of the cortical network underlying
... proteins involved in structural reorganization occurs during the formation of PA memory. In these studies, mRNA quantitation using RT-PCR was combined with the use of split-brain monkeys. This approach enabled the comparison of mRNA expression between the two hemispheres (PA and control hemispheres) ...
... proteins involved in structural reorganization occurs during the formation of PA memory. In these studies, mRNA quantitation using RT-PCR was combined with the use of split-brain monkeys. This approach enabled the comparison of mRNA expression between the two hemispheres (PA and control hemispheres) ...
The aging brain: The cognitive reserve hypothesis
... Recent neuroimaging research suggests that, in healthy aging, human brain volume (gray and white matter) is well-maintained until at least 60 years of age; cognitive function also shows only nonsignificant declines at this age. The maintenance of brain volume and cognitive performance is consistent ...
... Recent neuroimaging research suggests that, in healthy aging, human brain volume (gray and white matter) is well-maintained until at least 60 years of age; cognitive function also shows only nonsignificant declines at this age. The maintenance of brain volume and cognitive performance is consistent ...
Neuroscience, 4e
... Figure 9.3 Receptive fields and two-point discrimination threshold (Part 1) ...
... Figure 9.3 Receptive fields and two-point discrimination threshold (Part 1) ...
to view: Introduction to the Structure and Function of the Central
... is because over the course of evolution (and of individual development) the proliferation of the forebrain has caused the human brain to bend forward 90° relative to the central axis of the body (see Figure 3.1). Because these terms indicate the location of structures relative to other structures, i ...
... is because over the course of evolution (and of individual development) the proliferation of the forebrain has caused the human brain to bend forward 90° relative to the central axis of the body (see Figure 3.1). Because these terms indicate the location of structures relative to other structures, i ...
Changes in Resting State Effective Connectivity in the Motor
... brain. Method: This article presents pilot data examining neural connectivity in patients with poststroke hemiparesis before and after 3 weeks of upper extremity rehabilitation in the Accelerated Skill Acquisition Program (ASAP). Resting-state fMRI data acquired pre and post therapy were analyzed us ...
... brain. Method: This article presents pilot data examining neural connectivity in patients with poststroke hemiparesis before and after 3 weeks of upper extremity rehabilitation in the Accelerated Skill Acquisition Program (ASAP). Resting-state fMRI data acquired pre and post therapy were analyzed us ...
T2 - Center for Neural Basis of Cognition
... ipsilateral to the stimulus. Remapped activity is present in human parietal, extrastriate and striate cortex. Remapped visual signals are more prevalent at higher levels of the visual system hierarchy. Remapping occurs in parietal and visual cortex in a split brain human subject. ...
... ipsilateral to the stimulus. Remapped activity is present in human parietal, extrastriate and striate cortex. Remapped visual signals are more prevalent at higher levels of the visual system hierarchy. Remapping occurs in parietal and visual cortex in a split brain human subject. ...
Methylphenidate Enhances Working Memory by Modulating
... Cognitive task . The two task conditions and control condition used were identical to those described by Owen et al. (1996b). For the task conditions, subjects were presented either six (“easy”) or twelve (“difficult”) red circles on a touch-sensitive computer screen suspended above the scanner. For ...
... Cognitive task . The two task conditions and control condition used were identical to those described by Owen et al. (1996b). For the task conditions, subjects were presented either six (“easy”) or twelve (“difficult”) red circles on a touch-sensitive computer screen suspended above the scanner. For ...
The plasticity of human maternal brain: longitudinal changes in brain anatomy during the early postpartum period
... positive feelings on her baby may facilitate the increased levels of gray matter volume. fMRI studies with human mothers have similarly shown that greater substantia nigra responses to infant stimuli were correlated with the mother’s self-reported positive emotional reactions to infant stimuli (Bart ...
... positive feelings on her baby may facilitate the increased levels of gray matter volume. fMRI studies with human mothers have similarly shown that greater substantia nigra responses to infant stimuli were correlated with the mother’s self-reported positive emotional reactions to infant stimuli (Bart ...
Orbital Frontal Cortex Slides
... Could there be a time when reward has no value? • To be put simply, when there is no need. • In theory, if a person had absolutely everything they could ever need or want, it would be impossible to reward them. However, that is impossible. People can be rich but not be fulfilled spiritually or emot ...
... Could there be a time when reward has no value? • To be put simply, when there is no need. • In theory, if a person had absolutely everything they could ever need or want, it would be impossible to reward them. However, that is impossible. People can be rich but not be fulfilled spiritually or emot ...
Complementary roles of basal ganglia and cerebellum in learning
... Both the basal ganglia and the cerebellum have recurrent connections with the cerebral cortex [1,3]. Anatomical studies using transneuronally transported viruses [18–20,21••] have clearly shown that the projections from the basal ganglia and the cerebellum through the thalamus to the cortex constitu ...
... Both the basal ganglia and the cerebellum have recurrent connections with the cerebral cortex [1,3]. Anatomical studies using transneuronally transported viruses [18–20,21••] have clearly shown that the projections from the basal ganglia and the cerebellum through the thalamus to the cortex constitu ...
The 18th European Conference on Artificial - CEUR
... the input net, and they are clamped on when the particular word is being processed. The subnets involved follow Jackendoff’s Tripartite theory, with NLP broken into three main systems, lexicon, syntax and semantics, and the systems communicate via subsystems. Stackless parsing is done by activation ...
... the input net, and they are clamped on when the particular word is being processed. The subnets involved follow Jackendoff’s Tripartite theory, with NLP broken into three main systems, lexicon, syntax and semantics, and the systems communicate via subsystems. Stackless parsing is done by activation ...
Brain mechanisms for switching from automatic to controlled eye
... randomly, and in yellow or pink randomly. If the cue colour was the same as the target colour, the monkey had to make a saccade to the target. If their colours were different, the monkey had to withhold a saccade and continue to fixate. If a neuron becomes active in Go trials, its action is likely to ...
... randomly, and in yellow or pink randomly. If the cue colour was the same as the target colour, the monkey had to make a saccade to the target. If their colours were different, the monkey had to withhold a saccade and continue to fixate. If a neuron becomes active in Go trials, its action is likely to ...
Effects of chronic nicotine administration on nitric oxide synthase
... sc, once or for 15 days, respectively) to rats increases the levels of NO2–/NO3–, stable metabolites of NO, in several brain regions. Differences were seen in the nicotine response with regard to sex, degree of stimulation, brain regions affected, and duration of treatment (i.e., acute vs. chronic). ...
... sc, once or for 15 days, respectively) to rats increases the levels of NO2–/NO3–, stable metabolites of NO, in several brain regions. Differences were seen in the nicotine response with regard to sex, degree of stimulation, brain regions affected, and duration of treatment (i.e., acute vs. chronic). ...
The Functional Organization of Perception and Movement
... (sensory nuclei) whose axons receive stimulus information from the body’s surface. The ventral horn contains groups of motor neurons (motor nuclei) whose axons exit the spinal cord and innervate skeletal muscles. Unlike the sensory nuclei, the motor nuclei form columns that run the length of the spi ...
... (sensory nuclei) whose axons receive stimulus information from the body’s surface. The ventral horn contains groups of motor neurons (motor nuclei) whose axons exit the spinal cord and innervate skeletal muscles. Unlike the sensory nuclei, the motor nuclei form columns that run the length of the spi ...
State of the art
... refers to experiences that cause feelings of anxiety and frustration because they push us beyond our ability to successfully cope. “There is so much to do and so little time!” is a common expression. Besides time pressures and daily hassles at work and home, there are stressors related to economic i ...
... refers to experiences that cause feelings of anxiety and frustration because they push us beyond our ability to successfully cope. “There is so much to do and so little time!” is a common expression. Besides time pressures and daily hassles at work and home, there are stressors related to economic i ...
The rhinal cortices: a wall of inhibition between the
... than merely relay synchronous activity between neocortex and hippocampus. Rather, they support a gating mechanism whose properties remain to be identified. In spite of the demonstration of well-defined reciprocal connections between temporal neocortex and rhinal cortices, extracellular recordings an ...
... than merely relay synchronous activity between neocortex and hippocampus. Rather, they support a gating mechanism whose properties remain to be identified. In spite of the demonstration of well-defined reciprocal connections between temporal neocortex and rhinal cortices, extracellular recordings an ...
Distinct or Gradually Changing Spatial and Nonspatial
... out a continuous theta oscillation. Moreover, the nature of theta oscillation in the bat’s dorsal hippocampus was intermittent (Ulanovsky and Moss, 2007), much like the intermittent theta reported by Royer et al. (2010) in the rat ventral hippocampus. The existence of place cells without continuous ...
... out a continuous theta oscillation. Moreover, the nature of theta oscillation in the bat’s dorsal hippocampus was intermittent (Ulanovsky and Moss, 2007), much like the intermittent theta reported by Royer et al. (2010) in the rat ventral hippocampus. The existence of place cells without continuous ...
ppt
... STS AIP and PFG (STShigh order visual information about biological motion, not motor properties , not mirror areas IT AIP (object identity) AIP,PFG F5 F5 connected with F6 (preSMA) and prefrontal cortex(area 46) ...
... STS AIP and PFG (STShigh order visual information about biological motion, not motor properties , not mirror areas IT AIP (object identity) AIP,PFG F5 F5 connected with F6 (preSMA) and prefrontal cortex(area 46) ...
Ecological Democracy and Sustainable Development
... We begin by conceptualizing sustainability as the ratio of human welfare or quality of life to overall environmental impact. We propose an indicator of sustainability that uses infant survival—a key component of the Physical Quality of Life Index (PQLI)- as a measure of welfare. We combine two measu ...
... We begin by conceptualizing sustainability as the ratio of human welfare or quality of life to overall environmental impact. We propose an indicator of sustainability that uses infant survival—a key component of the Physical Quality of Life Index (PQLI)- as a measure of welfare. We combine two measu ...