cerebral and gastric histamine system is altered after portocaval shunt
... University of Barcelona, Spain, and was given as a single intraperitoneal injection in a dose of 0.5 mg/kg to Lewis rats of both PCA (n = 5) and sham (n = 5) groups, 6 months after surgery. The respective control counterparts (5 ...
... University of Barcelona, Spain, and was given as a single intraperitoneal injection in a dose of 0.5 mg/kg to Lewis rats of both PCA (n = 5) and sham (n = 5) groups, 6 months after surgery. The respective control counterparts (5 ...
Nutrition in Brain Development and Aging: Role of Essential Fatty
... face of certain nutritional insults (such as those caused by iron and taurine), but that brain structure and function are significantly altered if specific essential nutrients are lacking during development. Taking this into consideration, it is perhaps not surprising that emerging evidence also sug ...
... face of certain nutritional insults (such as those caused by iron and taurine), but that brain structure and function are significantly altered if specific essential nutrients are lacking during development. Taking this into consideration, it is perhaps not surprising that emerging evidence also sug ...
EN Sokolov`s Neural Model of Stimuli as Neuro
... effector neurons is regulated. Allocation of the basic elements of the conceptual arc was the result of summarizing the neural mechanisms of reflexes in animals at different stages of the evolutionary ladder. A neuron determines its reflexogenic area and population of motor neurons that make up the ...
... effector neurons is regulated. Allocation of the basic elements of the conceptual arc was the result of summarizing the neural mechanisms of reflexes in animals at different stages of the evolutionary ladder. A neuron determines its reflexogenic area and population of motor neurons that make up the ...
Role of neurons and glia in the CNS actions of the renin
... AT1R on RVLM-projecting PVN neurons to cause their depolarization (31) and 2) presynaptic disinhibition of preautonomic neurons via the activation of AT1R on GABAergic nerve terminals that contact them (106, 107). Although, there is some evidence to support both of these mechanisms, the above-mentio ...
... AT1R on RVLM-projecting PVN neurons to cause their depolarization (31) and 2) presynaptic disinhibition of preautonomic neurons via the activation of AT1R on GABAergic nerve terminals that contact them (106, 107). Although, there is some evidence to support both of these mechanisms, the above-mentio ...
Spatial and temporal correlation between neuron neuronopathic Gaucher disease
... intense and widespread with increased age. Microglial activation was evident in both pars compacta [substantia nigra compacta (SNC)] and reticularis [substantia nigra reticulata (SNR)] of the substantia nigra of 2/2 mice, spreading from the dorsolateral parts to the whole region between days 16 and ...
... intense and widespread with increased age. Microglial activation was evident in both pars compacta [substantia nigra compacta (SNC)] and reticularis [substantia nigra reticulata (SNR)] of the substantia nigra of 2/2 mice, spreading from the dorsolateral parts to the whole region between days 16 and ...
Regulation of rCBF by Diffusible Signals: An Analysis of Constraints
... activity-dependent hemodynamic response places a the dynamics of concentration changes; the microveslower limit on the apparent rates of diffusion and sels themselves were not explicitly modeled. elimination. Using simulations of microdiffusion we Because of the complicated spatiotemporal changes ex ...
... activity-dependent hemodynamic response places a the dynamics of concentration changes; the microveslower limit on the apparent rates of diffusion and sels themselves were not explicitly modeled. elimination. Using simulations of microdiffusion we Because of the complicated spatiotemporal changes ex ...
Neurotransmitter
... are inhibitory amino acid that act as neurotransmitters. • GABA is a major inhibitory neurotransmitter in the brain, where it is transmitter for 20 % synapses. It is also fund in retina. ...
... are inhibitory amino acid that act as neurotransmitters. • GABA is a major inhibitory neurotransmitter in the brain, where it is transmitter for 20 % synapses. It is also fund in retina. ...
pdf
... acknowledged, there is as of yet limited evidence for their neural underpinnings. A prime candidate for mnemonic convergence is the hippocampus, a brain region that is thought to index the cortical elements of an episodic memory representation7–9 by means of conjunctive coding3. In line with this id ...
... acknowledged, there is as of yet limited evidence for their neural underpinnings. A prime candidate for mnemonic convergence is the hippocampus, a brain region that is thought to index the cortical elements of an episodic memory representation7–9 by means of conjunctive coding3. In line with this id ...
Functional Dissociation of Attentional Selection within PFC
... In the present study, we provide additional evidence that within prefrontal cortex there are distinct regions involved in response-related aspects of attention from those involved in non-response related aspects of attention. There is one potential objection to the interpretation of our prior result ...
... In the present study, we provide additional evidence that within prefrontal cortex there are distinct regions involved in response-related aspects of attention from those involved in non-response related aspects of attention. There is one potential objection to the interpretation of our prior result ...
Monkey and humans exhibit similar motion
... density of approximately 10 dots per deg2. This suggests that the underlying motion-sensitive neurons targeted by our adapter stimulus respond differentially to a range of low dot densities, and that their responses saturate at or around 10 dots per deg2. This is consistent with the macaque data (Sn ...
... density of approximately 10 dots per deg2. This suggests that the underlying motion-sensitive neurons targeted by our adapter stimulus respond differentially to a range of low dot densities, and that their responses saturate at or around 10 dots per deg2. This is consistent with the macaque data (Sn ...
Responses of the Human Brain to Mild Dehydration and
... BACKGROUND AND PURPOSE: As yet, there are no in vivo data on tissue water changes and associated morphometric changes involved in the osmo-adaptation of normal brains. Our aim was to evaluate osmoadaptive responses of the healthy human brain to osmotic challenges of de- and rehydration by serial mea ...
... BACKGROUND AND PURPOSE: As yet, there are no in vivo data on tissue water changes and associated morphometric changes involved in the osmo-adaptation of normal brains. Our aim was to evaluate osmoadaptive responses of the healthy human brain to osmotic challenges of de- and rehydration by serial mea ...
The Biology
... Because it evolved very early, the [a] _______________ of the brain is referred to as the old brain. It is composed of the medulla, which controls functions like breathing and heartbeat; the pons, which transmits information helping to coordinate muscle activity on the right and left halves of the b ...
... Because it evolved very early, the [a] _______________ of the brain is referred to as the old brain. It is composed of the medulla, which controls functions like breathing and heartbeat; the pons, which transmits information helping to coordinate muscle activity on the right and left halves of the b ...
Negative BOLD in Sensory Cortices During
... the sighted and blind groups, Student’s t-test P [ 0.34). The rationale for generating ceiling performance in both groups was to try to equalize performance between the blind and sighted individuals since blind people, as a group, tend to have superior verbal memory capabilities (Tillman and Bashaw ...
... the sighted and blind groups, Student’s t-test P [ 0.34). The rationale for generating ceiling performance in both groups was to try to equalize performance between the blind and sighted individuals since blind people, as a group, tend to have superior verbal memory capabilities (Tillman and Bashaw ...
Computing Action Potentials by Phase Interference in
... efficiency [3], both natural and artificial neural networks [4-13] and a conduction system to associate memories and processes [14,15]. In this paper, we solely consider conduction by action potentials and their ability to act as compound phase-ternary objects for an artificial neural network. The b ...
... efficiency [3], both natural and artificial neural networks [4-13] and a conduction system to associate memories and processes [14,15]. In this paper, we solely consider conduction by action potentials and their ability to act as compound phase-ternary objects for an artificial neural network. The b ...
Resting-State Functional Connectivity in Autism Spectrum
... studies focused on connectivity of the DMN, a resting-state network (RSN) involved in introspective thought and self-reflection (15, 111). The DMN is active when a person is awake and alert but deactivates during cognitively demanding tasks or goal directed behavior (15, 111). Though DMN regional co ...
... studies focused on connectivity of the DMN, a resting-state network (RSN) involved in introspective thought and self-reflection (15, 111). The DMN is active when a person is awake and alert but deactivates during cognitively demanding tasks or goal directed behavior (15, 111). Though DMN regional co ...
BIOGRAPHICAL SKETCH
... The goal of the present application is to determine the action of purinergic neurotransmission, especially that mediated by P2X4 receptors, in brain areas related to the rewarding and reinforcing properties of alcohol. My portion of the project involves the investigation of the interaction of ATP an ...
... The goal of the present application is to determine the action of purinergic neurotransmission, especially that mediated by P2X4 receptors, in brain areas related to the rewarding and reinforcing properties of alcohol. My portion of the project involves the investigation of the interaction of ATP an ...
The neural basis of the speed–accuracy tradeoff - Eric
... In mathematical models of decision making, an increase of the baseline and reduction of the threshold are often assumed to be equivalent (Figure 2). However, as discussed below, human brain-imaging studies and neurophysiological recordings may provide an answer to the question of whether in the brai ...
... In mathematical models of decision making, an increase of the baseline and reduction of the threshold are often assumed to be equivalent (Figure 2). However, as discussed below, human brain-imaging studies and neurophysiological recordings may provide an answer to the question of whether in the brai ...
Chaos, Quantum-transactions and Consciousness
... is often referred to as the conscious mind. Because its subjective nature makes it unavailable to objective investigation, reductionist descriptions identify it merely with functional attributes of the brain, inferring computational machines might also possess consciousness. However it remains uncle ...
... is often referred to as the conscious mind. Because its subjective nature makes it unavailable to objective investigation, reductionist descriptions identify it merely with functional attributes of the brain, inferring computational machines might also possess consciousness. However it remains uncle ...
Module 4 SG - HallquistCPHS.com
... and the next module difficult to master. Not only are there many terms for you to remember, but you must also know the organization and function of the various divisions of the nervous system. Learning this material will require a great deal of rehearsal. Working the chapter review several times, dr ...
... and the next module difficult to master. Not only are there many terms for you to remember, but you must also know the organization and function of the various divisions of the nervous system. Learning this material will require a great deal of rehearsal. Working the chapter review several times, dr ...
Gestalt Issues in Modern Neuroscience
... (Liebmann 1927; West et al. 1996). Thus, Metzger’s (1953) notion of Farbsprung als Grenze (color discontinuity as a border) needs to be qualified in that it refers to discontinuity of achromatic rather than chromatic colors. Further research has shown a considerable degree of functional specializati ...
... (Liebmann 1927; West et al. 1996). Thus, Metzger’s (1953) notion of Farbsprung als Grenze (color discontinuity as a border) needs to be qualified in that it refers to discontinuity of achromatic rather than chromatic colors. Further research has shown a considerable degree of functional specializati ...
5655.full - Journal of Neuroscience
... Group 1 data for testing. This cross-validation scheme ensured that only if emotional stimuli as well as emotion-associated fractals arouse similar activity patterns, the GNB classifier could correctly predict the emotion category from the test data. The resulting classification performances from bo ...
... Group 1 data for testing. This cross-validation scheme ensured that only if emotional stimuli as well as emotion-associated fractals arouse similar activity patterns, the GNB classifier could correctly predict the emotion category from the test data. The resulting classification performances from bo ...
Brain Facts: A Primer On The Brain And Nervous System
... axons, which can range in length from a tiny fraction of an inch to three feet or more. Many axons are covered with a layered myelin sheath, which speeds the transmission of electrical signals along the ...
... axons, which can range in length from a tiny fraction of an inch to three feet or more. Many axons are covered with a layered myelin sheath, which speeds the transmission of electrical signals along the ...
Neural Darwinism
... inconsistent with the then prevalent notions of brain function: First, individual nervous systems (particularly those of vertebrate species) show enormous structural and functional variability. This striking variability was explicitly noted by Lashley (1947), who at the time could offer no explanati ...
... inconsistent with the then prevalent notions of brain function: First, individual nervous systems (particularly those of vertebrate species) show enormous structural and functional variability. This striking variability was explicitly noted by Lashley (1947), who at the time could offer no explanati ...
Alzheimer`s Disease: A Clinical and Basic Science Review
... that causes a significant disruption of normal brain structure and function. At the cellular level, AD is characterized by a progressive loss of cortical neurons, especially pyramidal cells, that mediate higher cognitive functions.17,18 Substantial evidence also suggests that AD causes synaptic dysf ...
... that causes a significant disruption of normal brain structure and function. At the cellular level, AD is characterized by a progressive loss of cortical neurons, especially pyramidal cells, that mediate higher cognitive functions.17,18 Substantial evidence also suggests that AD causes synaptic dysf ...