Vestibular Signals of Posterior Parietal Cortex Neurons during
... in the posterolateral part of area PG.13 Recent anatomical studies confirmed and extended previous findings that the ventral intraparietal area (VIP) in the fundus of the intraparietal sulcus14 receives direct projections from vestibular areas and thus is part of a cortical vestibular network.15–17 ...
... in the posterolateral part of area PG.13 Recent anatomical studies confirmed and extended previous findings that the ventral intraparietal area (VIP) in the fundus of the intraparietal sulcus14 receives direct projections from vestibular areas and thus is part of a cortical vestibular network.15–17 ...
Encoding of Movement Fragments in the Motor Cortex
... Figure 1. Evidence for trajectory encoding in the motor cortex. A, Temporal evolution of preferred directions (in 50 ms bins) for four MI neurons relative to movement onset computed in an instructed-delay center-out task to one of eight targets. B, Left, Example of a single successful behavioral tri ...
... Figure 1. Evidence for trajectory encoding in the motor cortex. A, Temporal evolution of preferred directions (in 50 ms bins) for four MI neurons relative to movement onset computed in an instructed-delay center-out task to one of eight targets. B, Left, Example of a single successful behavioral tri ...
Dynamics of Learning and Recall ... Recurrent Synapses and Cholinergic Modulation
... in these simulations. In most simulations, weights were clipped at specific values to maintain them within the region of stable attractor dynamics. In this case, runaway synaptic modification applies not to the exponential enhancement of a single connection, but to the enhancement of additional unde ...
... in these simulations. In most simulations, weights were clipped at specific values to maintain them within the region of stable attractor dynamics. In this case, runaway synaptic modification applies not to the exponential enhancement of a single connection, but to the enhancement of additional unde ...
Applauding with Closed Hands: Neural Signature of Action
... pyramidal neuron activity in the primary cortex (M1) at motor execution. MP amplitude modulation has been associated with the rapidness and precision of movement [65,68] and also with shortterm training effects [66]. We expected higher MP amplitudes for the compatible condition, reflecting that sent ...
... pyramidal neuron activity in the primary cortex (M1) at motor execution. MP amplitude modulation has been associated with the rapidness and precision of movement [65,68] and also with shortterm training effects [66]. We expected higher MP amplitudes for the compatible condition, reflecting that sent ...
Specificity and Plasticity of Thalamocortical Connections in Sema6A
... A dynamic interplay exists between the processes of cortical arealization and those controlling the guidance and targeting of thalamocortical projections [1–5]. Early in development, both the thalamic field and the cortical sheet appear homogeneous in cytoarchitecture, and connections between them fo ...
... A dynamic interplay exists between the processes of cortical arealization and those controlling the guidance and targeting of thalamocortical projections [1–5]. Early in development, both the thalamic field and the cortical sheet appear homogeneous in cytoarchitecture, and connections between them fo ...
Histamine reduces firing and bursting of anterior and intralaminar
... the discharge pattern. The occurrence of groups of action potentials (bursts) after a long period of hyperpolarization can depend on activation of low-threshold calcium channels [13,20]. In depolarized neurons, normal high-threshold bursts of action potentials may develop. Furthermore, since intrala ...
... the discharge pattern. The occurrence of groups of action potentials (bursts) after a long period of hyperpolarization can depend on activation of low-threshold calcium channels [13,20]. In depolarized neurons, normal high-threshold bursts of action potentials may develop. Furthermore, since intrala ...
Neuronal Activation in the Medulla Oblongata During Selective
... these studies, abdominal, oropharyngeal, and esophageal muscles were active during cough or swallow. Although both of these studies found neuronal activation in some common brain stem regions, certain regions showed neuronal activity during swallowing but not during coughing and vice versa. For exam ...
... these studies, abdominal, oropharyngeal, and esophageal muscles were active during cough or swallow. Although both of these studies found neuronal activation in some common brain stem regions, certain regions showed neuronal activity during swallowing but not during coughing and vice versa. For exam ...
Coexposure of Neonatal Mice to a Flame
... tested on 3 consecutive days, one trial per day. The tests were performed during the daytime between 9 A.M. and 3 P.M. The mice had free access to water but were deprived food 24 h before the initial trial. The first 2 days of the radial arm maze was used to accustom the mice to the test environment ...
... tested on 3 consecutive days, one trial per day. The tests were performed during the daytime between 9 A.M. and 3 P.M. The mice had free access to water but were deprived food 24 h before the initial trial. The first 2 days of the radial arm maze was used to accustom the mice to the test environment ...
Preview Sample 2
... • Plasticity is greatest in young children within whom the hemispheres are not yet completely lateralized. • Aging eventually leads to a reduction in the number of synapses. • Aging is also associated with a loss of gray matter in the cerebellum. This may be the underlying cause of balance problems ...
... • Plasticity is greatest in young children within whom the hemispheres are not yet completely lateralized. • Aging eventually leads to a reduction in the number of synapses. • Aging is also associated with a loss of gray matter in the cerebellum. This may be the underlying cause of balance problems ...
Organization of Visual Areas in Macaque and
... olfactory (brown, 1%). Unassigned cortex (gray, 25%) is mostly cognitive or emotional in function, but is not subdivided along these lines in the figure. ...
... olfactory (brown, 1%). Unassigned cortex (gray, 25%) is mostly cognitive or emotional in function, but is not subdivided along these lines in the figure. ...
Brain regions involved in heading estimation and steering control in
... The brain regions required for judging heading direction and actively steering towards a goal could be damaged by stroke. Identifying the neural correlates responsible for goal-directed locomotion is important for the understanding of the mechanism underlying neuroplasticity and functional recovery. ...
... The brain regions required for judging heading direction and actively steering towards a goal could be damaged by stroke. Identifying the neural correlates responsible for goal-directed locomotion is important for the understanding of the mechanism underlying neuroplasticity and functional recovery. ...
Experimental Brain Research 221(1)
... magnetoencephalography (MEG) and transcranial magnetic stimulation (TMS), a picture of human PPC function is emerging that is compatible with monkey neurophysiology and at times makes new advances. The purpose of this review is to summarize these recent advances in human systems neuroscience. Pariet ...
... magnetoencephalography (MEG) and transcranial magnetic stimulation (TMS), a picture of human PPC function is emerging that is compatible with monkey neurophysiology and at times makes new advances. The purpose of this review is to summarize these recent advances in human systems neuroscience. Pariet ...
Chapter_013
... • Shorter tracts—conduct impulses from neuron cell bodies located in the cerebellar cortex to neurons whose dendrites and cell bodies compose nuclei located in the interior of the cerebellum • Longer tracts—conduct impulses to and from the cerebellum; fibers enter or leave by way of three pairs of p ...
... • Shorter tracts—conduct impulses from neuron cell bodies located in the cerebellar cortex to neurons whose dendrites and cell bodies compose nuclei located in the interior of the cerebellum • Longer tracts—conduct impulses to and from the cerebellum; fibers enter or leave by way of three pairs of p ...
A Theory of Cerebral Cortex - Temporal Dynamics of Learning Center
... arbitrarily (and permanently) assigned to represent exactly one unique English word of the 10,000 most frequently seen words in a 1.4 billion word corpus of general proper English text (e.g., news stories). Concatenating the sentences of the corpus into one long string of words with punctuation (and ...
... arbitrarily (and permanently) assigned to represent exactly one unique English word of the 10,000 most frequently seen words in a 1.4 billion word corpus of general proper English text (e.g., news stories). Concatenating the sentences of the corpus into one long string of words with punctuation (and ...
Chapter_013
... • Shorter tracts—conduct impulses from neuron cell bodies located in the cerebellar cortex to neurons whose dendrites and cell bodies compose nuclei located in the interior of the cerebellum • Longer tracts—conduct impulses to and from the cerebellum; fibers enter or leave by way of three pairs of p ...
... • Shorter tracts—conduct impulses from neuron cell bodies located in the cerebellar cortex to neurons whose dendrites and cell bodies compose nuclei located in the interior of the cerebellum • Longer tracts—conduct impulses to and from the cerebellum; fibers enter or leave by way of three pairs of p ...
WHAT SHOULD WE KNOW ABOUT MARIJUANA goes to ARTCLES
... receptors in many areas, including the cortex, hippocampus, cerebellum, and nucleus accumbens (ventral striatum). Most of the evidence supporting this assertion comes from animal studies. For example, rats exposed to THC in utero, soon after birth, or during adolescence, show notable problems with s ...
... receptors in many areas, including the cortex, hippocampus, cerebellum, and nucleus accumbens (ventral striatum). Most of the evidence supporting this assertion comes from animal studies. For example, rats exposed to THC in utero, soon after birth, or during adolescence, show notable problems with s ...
The Neurology of Music for Post-Traumatic-Stress
... people. Some people may predominately notice they do not enjoy the things they used to, or feel dissatisfied or indifferent about their life. Others may experience behavioral symptoms and/or a fear-based re-experiencing of the traumatic event. More symptoms include experiencing negative thoughts, av ...
... people. Some people may predominately notice they do not enjoy the things they used to, or feel dissatisfied or indifferent about their life. Others may experience behavioral symptoms and/or a fear-based re-experiencing of the traumatic event. More symptoms include experiencing negative thoughts, av ...
Electrical membrane properties of rat subthalamic neurons in an in
... chloride ( I E A ) at 10 mM, and blcuculline methiodlde at 50-100 pM. In some animals, the internal capsule, at the level of the entopeduncular nucleus, was transected by a Halazs knife at 6 - 1 0 days prior to the recording. This was tc eliminate afferents to STH ortginating from the structures ros ...
... chloride ( I E A ) at 10 mM, and blcuculline methiodlde at 50-100 pM. In some animals, the internal capsule, at the level of the entopeduncular nucleus, was transected by a Halazs knife at 6 - 1 0 days prior to the recording. This was tc eliminate afferents to STH ortginating from the structures ros ...
Working Memory in the Prefrontal Cortex
... functions is also supported by the finding that damage to the prefrontal cortex produces poor judgment, planning, and decision-making in humans [13]. Although the prefrontal cortex is thought to participate in important cognitive functions in humans, little is known about the mechanism by which the ...
... functions is also supported by the finding that damage to the prefrontal cortex produces poor judgment, planning, and decision-making in humans [13]. Although the prefrontal cortex is thought to participate in important cognitive functions in humans, little is known about the mechanism by which the ...
The role of neuronal synchronization in selective attention
... neuronal synchronization depends on tasks in which there is identical sensory stimulation across conditions but covert attention is directed to different aspects of this sensory input. Based on such tasks, visual cortical neurons that have receptive fields overlapping with an attended stimulus synch ...
... neuronal synchronization depends on tasks in which there is identical sensory stimulation across conditions but covert attention is directed to different aspects of this sensory input. Based on such tasks, visual cortical neurons that have receptive fields overlapping with an attended stimulus synch ...
Sleep and metabolism: Role of hypothalamic
... Sleep and metabolism are intertwined physiologically and behaviorally, but the neural systems underlying their coordination are still poorly understood. The hypothalamus is likely to play a major role in the regulation sleep, metabolism, and their interaction. And increasing evidence suggests that h ...
... Sleep and metabolism are intertwined physiologically and behaviorally, but the neural systems underlying their coordination are still poorly understood. The hypothalamus is likely to play a major role in the regulation sleep, metabolism, and their interaction. And increasing evidence suggests that h ...
Unusual ultrastructural findings in dendrites of pyramidal
... virus. However, knowledge about the fine structure of dendrites in rabies infection is scarce. This work had the aim of studying the ultrastructure of dendrites in cortical pyramidal neurons of rabies-infected mice. Mice were inoculated intramuscularly with a street rabies virus of canine origin. Th ...
... virus. However, knowledge about the fine structure of dendrites in rabies infection is scarce. This work had the aim of studying the ultrastructure of dendrites in cortical pyramidal neurons of rabies-infected mice. Mice were inoculated intramuscularly with a street rabies virus of canine origin. Th ...
Caffeine promotes glutamate and histamine release in the posterior
... administration, animals were deeply anesthetized (pentobarbital sodium, 100 mg/kg ip) and transcardially perfused with 0.1 M PBS. The brain tissue obtained from experimental and control animals was processed together (at least two animals per batch) for immunostaining. Brain sections were cut at 30 ...
... administration, animals were deeply anesthetized (pentobarbital sodium, 100 mg/kg ip) and transcardially perfused with 0.1 M PBS. The brain tissue obtained from experimental and control animals was processed together (at least two animals per batch) for immunostaining. Brain sections were cut at 30 ...
Whisker movements evoked by stimulation of single pyramidal cells
... Neuronal activity in the motor cortex is understood to be correlated with movements, but the impact of action potentials (APs) in single cortical neurons on the generation of movement has not been fully determined. Here we show that trains of APs in single pyramidal cells of rat motor cortex can evo ...
... Neuronal activity in the motor cortex is understood to be correlated with movements, but the impact of action potentials (APs) in single cortical neurons on the generation of movement has not been fully determined. Here we show that trains of APs in single pyramidal cells of rat motor cortex can evo ...
Omega–6/Omega–3 Ratio and Brain-Related Functions - Direct-MS
... The method of inducing omega–3 deficiency via diet is a powerful tool to investigate the role of omega–3 in various brain functions. While most studies in this area involved the omega–3 deficiency issue, by definition, the ratio of omega–6 and omega–3 in experimental diets was different from the rat ...
... The method of inducing omega–3 deficiency via diet is a powerful tool to investigate the role of omega–3 in various brain functions. While most studies in this area involved the omega–3 deficiency issue, by definition, the ratio of omega–6 and omega–3 in experimental diets was different from the rat ...