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... is excitatory due to high intracellular Cl concentration (mediated by the transporter NKCC1). - This excitatory action of GABA is essential (necessary and perhaps sufficient) for proper development of dendrites and synaptic connections. Interpretations: - New neurons initially “listen” to network ac ...
... is excitatory due to high intracellular Cl concentration (mediated by the transporter NKCC1). - This excitatory action of GABA is essential (necessary and perhaps sufficient) for proper development of dendrites and synaptic connections. Interpretations: - New neurons initially “listen” to network ac ...
Objective cortical evaluation of infants wearing hearing aids Harvey
... The amplitude of cortical responses grows with sensation level of the stimuli. In people with hearing loss, this is determined by the amplitude of the stimulus in the ear compared to the person’s hearing thresholds, so aiding generally increases cortical response amplitude. When people with normal h ...
... The amplitude of cortical responses grows with sensation level of the stimuli. In people with hearing loss, this is determined by the amplitude of the stimulus in the ear compared to the person’s hearing thresholds, so aiding generally increases cortical response amplitude. When people with normal h ...
Granger causality analysis of state dependent functional connectivity
... swallowing [1]. Previous studies employing single electrode recording techniques [2], [3] have shown that majority of neurons in MIo show activity related to rhythmic chewing, preswallowing and/or swallowing. However, how functional connectivity in network of spiking neurons changes depending on dif ...
... swallowing [1]. Previous studies employing single electrode recording techniques [2], [3] have shown that majority of neurons in MIo show activity related to rhythmic chewing, preswallowing and/or swallowing. However, how functional connectivity in network of spiking neurons changes depending on dif ...
ch15 autonomic nervous system
... d. Blood flow to the skeletal muscles, liver, heart and adipose tissue increases ...
... d. Blood flow to the skeletal muscles, liver, heart and adipose tissue increases ...
The Superior Olivary Nucleus and Its Influence on Nucleus
... this intracellular pipette solution was 7 mV with reference to the grounded bath medium. All data are presented with correction for the junction potential. Whole-cell voltage signals were recorded under current clamp using an Axoclamp 2B microelectrode amplifier (Axon Instruments, Burlingame, CA). T ...
... this intracellular pipette solution was 7 mV with reference to the grounded bath medium. All data are presented with correction for the junction potential. Whole-cell voltage signals were recorded under current clamp using an Axoclamp 2B microelectrode amplifier (Axon Instruments, Burlingame, CA). T ...
Morphological Identification of Cell Death in Dorsal Root Ganglion
... Background: Axotomy causes sensory neuronal loss. Reconnection of proximal and distal nerve ends by surgical repair improves neuronal survival. It is important to know the morphology of primary sensory neurons after the surgical repair of their peripheral processes. Methods: Animals (male Wistar rat ...
... Background: Axotomy causes sensory neuronal loss. Reconnection of proximal and distal nerve ends by surgical repair improves neuronal survival. It is important to know the morphology of primary sensory neurons after the surgical repair of their peripheral processes. Methods: Animals (male Wistar rat ...
Frequency decoding of periodically timed action potentials through
... pitch detection [25,26]. Frequency discrimination through frequency-dependent network activity patterns as proposed here might therefore occur in these laminae. Simultaneous recordings from many interconnected neurons within one lamina would be required for an experimental test of this hypothesis. N ...
... pitch detection [25,26]. Frequency discrimination through frequency-dependent network activity patterns as proposed here might therefore occur in these laminae. Simultaneous recordings from many interconnected neurons within one lamina would be required for an experimental test of this hypothesis. N ...
Neuronal activity in dorsomedial frontal cortex and prefrontal cortex
... al. 1997; White and Wise 1999) and DMF (Olson et al. 2000; White and Wise 1999) have shown that stimulus location influences neuronal activity in nonspatially guided operant tasks. However, in each of those studies, the monkeys alternated between tasks in which cue location was the relevant stimulus ...
... al. 1997; White and Wise 1999) and DMF (Olson et al. 2000; White and Wise 1999) have shown that stimulus location influences neuronal activity in nonspatially guided operant tasks. However, in each of those studies, the monkeys alternated between tasks in which cue location was the relevant stimulus ...
Neuroscience and Behavior
... stimulation required to activate a particular neuron. Resting Potential – State in which a neuron is prepared to activate and communicate its message if it receives sufficient stimulation. All-Or-None Law – The principle that either a neuron is sufficiently stimulated and an action potential occurs ...
... stimulation required to activate a particular neuron. Resting Potential – State in which a neuron is prepared to activate and communicate its message if it receives sufficient stimulation. All-Or-None Law – The principle that either a neuron is sufficiently stimulated and an action potential occurs ...
Voltage-Sensitive Dye Imaging: Technique review and Models
... (VSDI). This optical imaging technique offers the possibility to visualize, in real time, the cortical activity of large neuronal populations with high spatial resolution (down to 20-50 µm) and high temporal resolution (down to the millisecond). With such resolutions, VSDI appears to be the best tec ...
... (VSDI). This optical imaging technique offers the possibility to visualize, in real time, the cortical activity of large neuronal populations with high spatial resolution (down to 20-50 µm) and high temporal resolution (down to the millisecond). With such resolutions, VSDI appears to be the best tec ...
Stable propagation of synchronous spiking in cortical neural networks
... the ®ring behaviour of cortical neurons13,14. We focused on spike responses to transient membrane-potential excursions, implied by the physiological ®ndings1±5. As a rule, such transients are explained by convergent inputs from simultaneously spiking neurons onto a target neuron (Fig. 1a). These tra ...
... the ®ring behaviour of cortical neurons13,14. We focused on spike responses to transient membrane-potential excursions, implied by the physiological ®ndings1±5. As a rule, such transients are explained by convergent inputs from simultaneously spiking neurons onto a target neuron (Fig. 1a). These tra ...
Radial Glial Cell–Neuron Interaction Directs Axon Formation at the
... Cell– cell interactions play an essential role during the development of multicellular organisms. In particular, cell– cell contacts serve as a polarity cue that regulates intracellular organization and leads to the orientation of the cell polarity axis along which the cell grows, resulting in shape ...
... Cell– cell interactions play an essential role during the development of multicellular organisms. In particular, cell– cell contacts serve as a polarity cue that regulates intracellular organization and leads to the orientation of the cell polarity axis along which the cell grows, resulting in shape ...
Bi150 (2005)
... •The ‘mapping’ of these compounds probably occurs by matching to memory templates stored in the brain • A smell is categorized based on one’s previous experiences of it and on the other sensory stimuli correlated with its appearance. ...
... •The ‘mapping’ of these compounds probably occurs by matching to memory templates stored in the brain • A smell is categorized based on one’s previous experiences of it and on the other sensory stimuli correlated with its appearance. ...
The Autonomic Nervous System
... --may ascend or descend & then synapse with Postganglionic neuron. --or may continue without synapsing at the ganglia to end in a Postganglionic neuron at prevertebral ganglia. One sympathetic preganglionic neuron may synapse with 20 or more Postganglionic neurons. This explains why sympathetic sy ...
... --may ascend or descend & then synapse with Postganglionic neuron. --or may continue without synapsing at the ganglia to end in a Postganglionic neuron at prevertebral ganglia. One sympathetic preganglionic neuron may synapse with 20 or more Postganglionic neurons. This explains why sympathetic sy ...
histology of the central nervous system
... The Nissl bodies can be found clearly in the motor neuron in the anterior horn of spinal cord and in the ganglion cell. The Nissl bodies present in the perikaryon and in the dendrites. Function of the Nissl bodies is as the place for protein synthesis. Smooth endoplasmic reticulum (Fig-6) is found i ...
... The Nissl bodies can be found clearly in the motor neuron in the anterior horn of spinal cord and in the ganglion cell. The Nissl bodies present in the perikaryon and in the dendrites. Function of the Nissl bodies is as the place for protein synthesis. Smooth endoplasmic reticulum (Fig-6) is found i ...
Principle of Superposition-free Memory - Deep Blue
... formations. If reference neurons periodically reload all primaries which respond to their calls and do so before too many receptors lose their conformation and before fixation wears off, the memory will be maintained indefinitely. In principle intracellular potentials could also be used for reloadin ...
... formations. If reference neurons periodically reload all primaries which respond to their calls and do so before too many receptors lose their conformation and before fixation wears off, the memory will be maintained indefinitely. In principle intracellular potentials could also be used for reloadin ...
File
... There is always more than one neuron involved in the transmission of a nerve impulse from its origin to its destination, whether it is sensory or motor. There is no physical contact between these neurons. The point at which the nerve impulse passes from one to another is the synapse. There are the j ...
... There is always more than one neuron involved in the transmission of a nerve impulse from its origin to its destination, whether it is sensory or motor. There is no physical contact between these neurons. The point at which the nerve impulse passes from one to another is the synapse. There are the j ...
Effect of deep brain stimulation on substantia nigra neurons in a
... Background Parkinson's disease (PD) is a common neurodegenerative disease, which occurs mainly in the elderly. Recent studies have demonstrated that apoptosis plays an important role in the occurrence and development of PD. Subthalamic nucleus deep brain stimulation (STN-DBS) has been recognized as ...
... Background Parkinson's disease (PD) is a common neurodegenerative disease, which occurs mainly in the elderly. Recent studies have demonstrated that apoptosis plays an important role in the occurrence and development of PD. Subthalamic nucleus deep brain stimulation (STN-DBS) has been recognized as ...
Distributed Modular Architectures Linking Basal Ganglia
... generally, F for a frontal column) onto a cluster of striatal spiny neurons (SP). This feature is well suited for contextual pattern recognition (Houk and Wise, 1993; Wise and Houk, 1994). We postulate that, through the mediation of reinforcement training signals provided by the dopaminergic cells o ...
... generally, F for a frontal column) onto a cluster of striatal spiny neurons (SP). This feature is well suited for contextual pattern recognition (Houk and Wise, 1993; Wise and Houk, 1994). We postulate that, through the mediation of reinforcement training signals provided by the dopaminergic cells o ...
[ 181 Dynamic Imaging of Neuronal Cytoskeleton
... remain viable for 5 - 7 days and develop a polarity similar to that observed in cultured hippocampal neurons, 14 which develop a single long axon and several minor processes. 15 These cultures contain very few glial cells (<5%). For studies of events such as synapse formation that require cortical n ...
... remain viable for 5 - 7 days and develop a polarity similar to that observed in cultured hippocampal neurons, 14 which develop a single long axon and several minor processes. 15 These cultures contain very few glial cells (<5%). For studies of events such as synapse formation that require cortical n ...
Lectin and Peptide Expression in Nodose
... their function in the peripheral nervous system remains unclear. Their expressions are is not also limited to the neuronal cells. They are expressed by a variety of cell types (22, 25, 26). Due to their selective affinity for carbohydrate residues, lectins have been widely used for identifying the e ...
... their function in the peripheral nervous system remains unclear. Their expressions are is not also limited to the neuronal cells. They are expressed by a variety of cell types (22, 25, 26). Due to their selective affinity for carbohydrate residues, lectins have been widely used for identifying the e ...