Impaired associative learning in schizophrenia: behavioral and
... McGlashan 1997). Modeling efforts can characterize network interactions in regions of the associative memory network in terms of changes in parameter values that represent biologically relevant processes such as synaptic strength or firing rates. Models can therefore provide an explanatory framework ...
... McGlashan 1997). Modeling efforts can characterize network interactions in regions of the associative memory network in terms of changes in parameter values that represent biologically relevant processes such as synaptic strength or firing rates. Models can therefore provide an explanatory framework ...
Muscular System
... • Characteristics of skeletal and smooth muscle – striated like skeletal • Cardiac muscles have ion channels in their plasma membrane that cause rhythmic depolarizations, triggering action potentials without imput from nervous system. • Action potentials of cardiac muscle cells last up to 20 times l ...
... • Characteristics of skeletal and smooth muscle – striated like skeletal • Cardiac muscles have ion channels in their plasma membrane that cause rhythmic depolarizations, triggering action potentials without imput from nervous system. • Action potentials of cardiac muscle cells last up to 20 times l ...
Sympathetic nervous system and inflammation: A conceptual view
... shown in anesthetized animals (mainly cats, rats) for neurons of the lumbar sympathetic outflow to the skeletal muscle, skin and pelvic viscera and for neurons of the thoracic sympathetic outflow to the head and neck (Jänig, 1985, 2006; Jänig and McLachlan, 1987, 2013). Using microneurographic recordi ...
... shown in anesthetized animals (mainly cats, rats) for neurons of the lumbar sympathetic outflow to the skeletal muscle, skin and pelvic viscera and for neurons of the thoracic sympathetic outflow to the head and neck (Jänig, 1985, 2006; Jänig and McLachlan, 1987, 2013). Using microneurographic recordi ...
Excitatory Postsynaptic Potentials Trigger a Plateau Potential in Rat
... a voltage-dependent manner. Plateau potentials could be induced only when the cell was hyperpolarized to more negative than about ⫺75 mV. Plateau potentials, evoked with a depolarizing current pulse, again only from a hyperpolarized state, were observed in about half of STN neurons tested (n ⫽ 162/3 ...
... a voltage-dependent manner. Plateau potentials could be induced only when the cell was hyperpolarized to more negative than about ⫺75 mV. Plateau potentials, evoked with a depolarizing current pulse, again only from a hyperpolarized state, were observed in about half of STN neurons tested (n ⫽ 162/3 ...
Pyramidal neurons: dendritic structure and synaptic integration
... and fewer oblique apical dendrites than layer II/III pyramidal neurons. The apical dendrites of hippocampal CA3 pyramidal neurons branch closer to the soma than those of CA1 pyramidal neurons, which typically have a more distinctive main apical dendrite and tuft. CA3 pyramidal neurons also have a cl ...
... and fewer oblique apical dendrites than layer II/III pyramidal neurons. The apical dendrites of hippocampal CA3 pyramidal neurons branch closer to the soma than those of CA1 pyramidal neurons, which typically have a more distinctive main apical dendrite and tuft. CA3 pyramidal neurons also have a cl ...
The columnar organization of the neocortex
... Neocortical modular organization the 3[H]thymidine labelling method. This general pattern of migration and cortical plate formation has since been observed in a number of mammalian species, and is particularly sharp in primates (Rakic, 1974). The sequence and the settling pattern is prominent in fo ...
... Neocortical modular organization the 3[H]thymidine labelling method. This general pattern of migration and cortical plate formation has since been observed in a number of mammalian species, and is particularly sharp in primates (Rakic, 1974). The sequence and the settling pattern is prominent in fo ...
Gaze effects in the cerebral cortex: reference frames for
... Premotor cortex and reference frames for movement representation There is now a large consensus that set-related activity reflects predominantly kinematic aspects of limb movement, as opposed to the target that triggered the movement. Indeed, during the instructed delay period, as well as after the ...
... Premotor cortex and reference frames for movement representation There is now a large consensus that set-related activity reflects predominantly kinematic aspects of limb movement, as opposed to the target that triggered the movement. Indeed, during the instructed delay period, as well as after the ...
Well That Frog Just Doesn`t Have The Nerve
... axons and dendrites facilitate the conduction of impulses to the brain so that muscle contraction is possible. The axons are efferent fibers. They carry the signals from the Central Nervous System (CNS) in the brain, to the point of stimulation on the muscle or skin (Easton 2000). Dendrites are affe ...
... axons and dendrites facilitate the conduction of impulses to the brain so that muscle contraction is possible. The axons are efferent fibers. They carry the signals from the Central Nervous System (CNS) in the brain, to the point of stimulation on the muscle or skin (Easton 2000). Dendrites are affe ...
Non-NMDA and NMDA receptors transmit area postrema input to
... one were polysynaptically activated by ADN stimulation. The mean onset latency for AP-evoked action potentials was 10.1 6 3.4 (mean 6 SD) ms. As we have previously shown for NTS neurons receiving combined AP and ADN inputs (5), ADN stimulation evoked action potentials having either a long-onset late ...
... one were polysynaptically activated by ADN stimulation. The mean onset latency for AP-evoked action potentials was 10.1 6 3.4 (mean 6 SD) ms. As we have previously shown for NTS neurons receiving combined AP and ADN inputs (5), ADN stimulation evoked action potentials having either a long-onset late ...
189084_189084 - espace@Curtin
... subregions of A10 (7.1-74.1%) with the only exception of PBP (95.6%). Some A8 neurons were unusual in that they were TH+ but not DAT+ (Fig. 2e, arrow). This suggests that some A8 neurons do not have the capacity to reuptake dopamine somatodendritically. In addition, there were some neurons in the RR ...
... subregions of A10 (7.1-74.1%) with the only exception of PBP (95.6%). Some A8 neurons were unusual in that they were TH+ but not DAT+ (Fig. 2e, arrow). This suggests that some A8 neurons do not have the capacity to reuptake dopamine somatodendritically. In addition, there were some neurons in the RR ...
Guided outgrowth of leech neurons in culture
... that branched tracks induce branching of neurites. On this basis arbitrary arborizations may be prepared using metal masks of arbitrary shape. The approach will be useful not only with respect to the design of connections in neural networks but also with respect to the study of outgrowth and branchi ...
... that branched tracks induce branching of neurites. On this basis arbitrary arborizations may be prepared using metal masks of arbitrary shape. The approach will be useful not only with respect to the design of connections in neural networks but also with respect to the study of outgrowth and branchi ...
Dendrite structure
... (Ostapoff et al. 1994). These descriptors are not readily applicable to stellate neurons in other areas of the brain. In some neurons, dendrites radiate in arbitrary directions from the cell body but are restricted to a planar region. This type of laminar radiation (see Table 1.2) is seen in horizon ...
... (Ostapoff et al. 1994). These descriptors are not readily applicable to stellate neurons in other areas of the brain. In some neurons, dendrites radiate in arbitrary directions from the cell body but are restricted to a planar region. This type of laminar radiation (see Table 1.2) is seen in horizon ...
USING SIMPLE ANIMATIONS IN PHYSIOLOGY TEACHING
... diagrams and, as such, could only be ‘‘visualized’’ mentally. However, many students are not adept at mental imagery, and they find it difficult to understand concepts that cannot be presented visually through figures. Although the neural substrates of ventilatory control could be easily illustrated ...
... diagrams and, as such, could only be ‘‘visualized’’ mentally. However, many students are not adept at mental imagery, and they find it difficult to understand concepts that cannot be presented visually through figures. Although the neural substrates of ventilatory control could be easily illustrated ...
Module 1 - Doral Academy Preparatory
... • A transmitter is a chemical messenger that transmits information between nerves and body organs, such as muscles and heart • Excitatory and Inhibitory – excitatory transmitters • open chemical locks and turn on neurons ...
... • A transmitter is a chemical messenger that transmits information between nerves and body organs, such as muscles and heart • Excitatory and Inhibitory – excitatory transmitters • open chemical locks and turn on neurons ...
multispectral labeling technique to map many neighboring axonal
... Figure 3 | A neural positioning system (NPS) for mapping axonal projections. (a) Diagram illustrating the rationale of the mapping technique. (b) Representative submandibular gland (of 50) showing the injection sites of WGA conjugated to four fluorophores (green, AF488; blue, AF555; red, AF594; yell ...
... Figure 3 | A neural positioning system (NPS) for mapping axonal projections. (a) Diagram illustrating the rationale of the mapping technique. (b) Representative submandibular gland (of 50) showing the injection sites of WGA conjugated to four fluorophores (green, AF488; blue, AF555; red, AF594; yell ...
The role of mirror neurons in cognition
... the macaque monkey that become active during both execution and observation of the same action. This straightforward property is what enabled these neurons to conquer the fields of cognitive science and become one of the most acclaimed discoveries from the turn of the century. Whether it was a resul ...
... the macaque monkey that become active during both execution and observation of the same action. This straightforward property is what enabled these neurons to conquer the fields of cognitive science and become one of the most acclaimed discoveries from the turn of the century. Whether it was a resul ...
Plasticity in the developing brain: Implications for
... Neuronal plasticity allows the central nervous system to learn skills and remember information, to reorganize neuronal networks in response to environmental stimulation, and to recover from brain and spinal cord injuries. Neuronal plasticity is enhanced in the developing brain and it is usually adap ...
... Neuronal plasticity allows the central nervous system to learn skills and remember information, to reorganize neuronal networks in response to environmental stimulation, and to recover from brain and spinal cord injuries. Neuronal plasticity is enhanced in the developing brain and it is usually adap ...
Neural Networks
... This document contains different types of indexing: If you have found a word in the index and opened the corresponding page, you can easily find it by searching for highlighted text – all indexed words are highlighted like this. Mathematical symbols appearing in several chapters of this document (e. ...
... This document contains different types of indexing: If you have found a word in the index and opened the corresponding page, you can easily find it by searching for highlighted text – all indexed words are highlighted like this. Mathematical symbols appearing in several chapters of this document (e. ...
Understanding Adolescent Brain Development and Its Implications
... regulating impulses. Maturation of the frontal lobes leads to the ability to suppress inappropriate thoughts and actions and to forego short-term satisfaction in exchange for reaching long-term goals. Immature cognitive control centers make it easier for emotional impulses to break through to the su ...
... regulating impulses. Maturation of the frontal lobes leads to the ability to suppress inappropriate thoughts and actions and to forego short-term satisfaction in exchange for reaching long-term goals. Immature cognitive control centers make it easier for emotional impulses to break through to the su ...
Neuronal Correlates of Sensorimotor Association in Stimulus
... stimulus was flanked by incompatible noise, both responses were initially activated, with the incompatible response eventually dropping out and the compatible one being left to be executed, with a delay. As far as we know, few studies have addressed the question of sensorimotor association at the si ...
... stimulus was flanked by incompatible noise, both responses were initially activated, with the incompatible response eventually dropping out and the compatible one being left to be executed, with a delay. As far as we know, few studies have addressed the question of sensorimotor association at the si ...
section4
... inhale • longer duration they fire, breath is prolonged, slow rate Expiratory center (ventral respiratory group, VRG) •involved in forced expiration ...
... inhale • longer duration they fire, breath is prolonged, slow rate Expiratory center (ventral respiratory group, VRG) •involved in forced expiration ...
Target-specific differences in somatodendritic morphology of layer V
... diaminobenzidine (DAB) photoconversion in fixed slices was used to study the morphological features of corticospinal, corticostriatal, and corticothalamic neurons in layer V of rat motor cortex. Marked differences in the distribution of soma, somal size, and dendritic profiles were found among the thr ...
... diaminobenzidine (DAB) photoconversion in fixed slices was used to study the morphological features of corticospinal, corticostriatal, and corticothalamic neurons in layer V of rat motor cortex. Marked differences in the distribution of soma, somal size, and dendritic profiles were found among the thr ...
Corticofugal modulation of functional connectivity within the auditory
... patterns of reverberating thalamic circuits. As a complementary approach we performed bispectral analyses of simultaneously recorded local field potentials in order to uncover the frequency components of their power spectra which are non linearly coupled. All results suggest that new functional neur ...
... patterns of reverberating thalamic circuits. As a complementary approach we performed bispectral analyses of simultaneously recorded local field potentials in order to uncover the frequency components of their power spectra which are non linearly coupled. All results suggest that new functional neur ...
US Copyright Law
... object with numerous structures and pathways that are difficult to imagine in two-dimensional pictures, it is important to utilize conventions for describing the relations of regions. In general, the terms we use were derived from those used by anatomists to describe similar relations in the body as ...
... object with numerous structures and pathways that are difficult to imagine in two-dimensional pictures, it is important to utilize conventions for describing the relations of regions. In general, the terms we use were derived from those used by anatomists to describe similar relations in the body as ...