Chapter 8 The Nervous System
... located in the gray matter of the thoracic and upper lumbar segments of the spinal cord Axons leave the spinal cord in the anterior roots of spinal nerves, extend to sympathetic or collateral ganglia, and synapse with several postganglionic neurons whose axons extend to spinal or autonomic nerves to ...
... located in the gray matter of the thoracic and upper lumbar segments of the spinal cord Axons leave the spinal cord in the anterior roots of spinal nerves, extend to sympathetic or collateral ganglia, and synapse with several postganglionic neurons whose axons extend to spinal or autonomic nerves to ...
Towards Detection of Brain Tumor in Electroencephalogram
... encompassing information of the electrical activity produced by the cerebral cortex nerve cells, has been the widely employed signal for the clinical assessment of brain activities, and the identification of epileptiform discharges in the EEG [10]. The pattern of electrical activity is principally b ...
... encompassing information of the electrical activity produced by the cerebral cortex nerve cells, has been the widely employed signal for the clinical assessment of brain activities, and the identification of epileptiform discharges in the EEG [10]. The pattern of electrical activity is principally b ...
Mirror Proposal 8-01 - USC - University of Southern California
... Visual Feedback for Grasping: A Possible Precursor of the Mirror Property: We offer a new hypothesis for the generalization from the visual description of action made by the acting individual to that made by other individuals. We propose to demonstrate how neurons which develop to provide feedback f ...
... Visual Feedback for Grasping: A Possible Precursor of the Mirror Property: We offer a new hypothesis for the generalization from the visual description of action made by the acting individual to that made by other individuals. We propose to demonstrate how neurons which develop to provide feedback f ...
The mirror neuron system and the consequences of its dysfunction
... made by humans and monkeys, and their discharge is also similar if the experimenter grasping a piece of food gives it to the monkey being recorded or to a second monkey3. An interesting class of mirror neurons is the one that codes observed actions which are preparatory or logically related to the e ...
... made by humans and monkeys, and their discharge is also similar if the experimenter grasping a piece of food gives it to the monkey being recorded or to a second monkey3. An interesting class of mirror neurons is the one that codes observed actions which are preparatory or logically related to the e ...
Common Upper Extremity Nerve Entrapment
... examination while providing additional structural and functional information. For these reasons, ultrasound is an ideal complementary tool that can enhance the electrodiagnostic evaluation, and as this develops, with an expanding base of literature, we foresee that high-resolution diagnostic ultraso ...
... examination while providing additional structural and functional information. For these reasons, ultrasound is an ideal complementary tool that can enhance the electrodiagnostic evaluation, and as this develops, with an expanding base of literature, we foresee that high-resolution diagnostic ultraso ...
In transverse section, the spinal cord features: -
... Spinal gray matter is butterfly-shaped. It extends from the ependymal cells lining the central canal to the surrounding white matter. Spinal gray matter is divided bilaterally into dorsal horn, intermediate substance, and ventral horn. At thoracolumbar levels, intermediate substance features a later ...
... Spinal gray matter is butterfly-shaped. It extends from the ependymal cells lining the central canal to the surrounding white matter. Spinal gray matter is divided bilaterally into dorsal horn, intermediate substance, and ventral horn. At thoracolumbar levels, intermediate substance features a later ...
Brain Stimulation for Neurological and Psychiatric Disorders
... DBS treatment of pain, including the somatosensory thalamic nuclei (Mazars, 1975), the motor cortex (Tsubokawa et al., 1993), the internal capsule (Adams et al., 1974), periaqueductal gray area, pariventricular gray, the raphe nuclei (Oliveras et al., 1978), and other brain regions near the central ...
... DBS treatment of pain, including the somatosensory thalamic nuclei (Mazars, 1975), the motor cortex (Tsubokawa et al., 1993), the internal capsule (Adams et al., 1974), periaqueductal gray area, pariventricular gray, the raphe nuclei (Oliveras et al., 1978), and other brain regions near the central ...
Recruitment properties of intramuscular and nerve
... larger motoneurons innervating larger numbers of fast, easily fatigued muscle fibers are held in reserve for occasional use in strong, brief efforts such as ballistic movements. Electrical stimulation, however, tends to depolarize and recruit axons more or less in proportion to their diameter [4]. T ...
... larger motoneurons innervating larger numbers of fast, easily fatigued muscle fibers are held in reserve for occasional use in strong, brief efforts such as ballistic movements. Electrical stimulation, however, tends to depolarize and recruit axons more or less in proportion to their diameter [4]. T ...
PDF
... been linked to tonic aspects of dopaminergic signaling. We end with a brief discussion of some of the limitations of the reinforcement learning framework, highlighting questions for future research. A fundamental question in behavioral neuroscience concerns the decision-making processes by which ani ...
... been linked to tonic aspects of dopaminergic signaling. We end with a brief discussion of some of the limitations of the reinforcement learning framework, highlighting questions for future research. A fundamental question in behavioral neuroscience concerns the decision-making processes by which ani ...
Massively Parallel Recording of Unit and Local Field
... activity and as many as 20 unit clusters could be separated by a single shank in the neocortex. Because the two-dimensional spatial position of the recorded units can be precisely determined with the 96-site probes, these measurements will allow for quantitative studies of the intra- and inter-colum ...
... activity and as many as 20 unit clusters could be separated by a single shank in the neocortex. Because the two-dimensional spatial position of the recorded units can be precisely determined with the 96-site probes, these measurements will allow for quantitative studies of the intra- and inter-colum ...
The parasympathetic system
... Sweat gland secrete large amounts of sweat with sympathetic stimulation – No effect with parasympathetic stimulation – However, sweat glands are stimulated primarily through centers in the hypothalamus that are considered to be parasympathetic centers – sweating may be called a parasympathetic funct ...
... Sweat gland secrete large amounts of sweat with sympathetic stimulation – No effect with parasympathetic stimulation – However, sweat glands are stimulated primarily through centers in the hypothalamus that are considered to be parasympathetic centers – sweating may be called a parasympathetic funct ...
Separating value from choice: delay discounting activity in the lateral
... The mathematical formulations used to study the neurophysiological signals governing choice behavior fall under one of two major theoretical frameworks: “choice probability” or “subjective value.” These two formulations represent behavioral quantities closely tied to the decision process, but it is ...
... The mathematical formulations used to study the neurophysiological signals governing choice behavior fall under one of two major theoretical frameworks: “choice probability” or “subjective value.” These two formulations represent behavioral quantities closely tied to the decision process, but it is ...
A Feedback Model of Visual Attention
... account of the neurophysiological data associated with attention (Frith, 2001; Kastner and Ungerleider, 2000). This theory proposes that visual stimuli compete to be represented by cortical activity. Competition may occur at each stage along the visual information processing pathway. The outcome of ...
... account of the neurophysiological data associated with attention (Frith, 2001; Kastner and Ungerleider, 2000). This theory proposes that visual stimuli compete to be represented by cortical activity. Competition may occur at each stage along the visual information processing pathway. The outcome of ...
The neural basis of puberty and adolescence
... As a theoretical construct, the dichotomy of steroid-independent and steroid-dependent mechanisms has increased our appreciation of the different ways that the body controls GnRH secretion. However, in most species, both types of mechanisms come into play at different points during puberty to boost ...
... As a theoretical construct, the dichotomy of steroid-independent and steroid-dependent mechanisms has increased our appreciation of the different ways that the body controls GnRH secretion. However, in most species, both types of mechanisms come into play at different points during puberty to boost ...
Convergence in Mammalian Nucleus of Solitary Tract During
... essentialcomponent of sensory circuits, and knowledge of receptive field development is important in understandingfunctional differentiation of sensorypathways. To understand better the development and maturation of neural circuits for salt taste processing,we have mademeasures of receptive field si ...
... essentialcomponent of sensory circuits, and knowledge of receptive field development is important in understandingfunctional differentiation of sensorypathways. To understand better the development and maturation of neural circuits for salt taste processing,we have mademeasures of receptive field si ...
Diencephalon and Hypothalamus
... c. Function: It is functionally and anatomically linked to the limbic system; implicated in a number of autonomic (ie. respiratory, cardiovascular), endocrine (thyroid function) and reproductive (mating behavior; responsible for postpartum maternal behavior) functions. Melatonin is secreted by the p ...
... c. Function: It is functionally and anatomically linked to the limbic system; implicated in a number of autonomic (ie. respiratory, cardiovascular), endocrine (thyroid function) and reproductive (mating behavior; responsible for postpartum maternal behavior) functions. Melatonin is secreted by the p ...
Peripheral Neuropathy - Numbness and Tingling
... Numbness and tingling in your hands and feet is a condition called peripheral neuropathy. Peripheral neuropathy can be a side effect associated with certain chemotherapy drugs. It is caused by damage to the nerves that transmit signals between the extremities and the central nervous system (CNS). Th ...
... Numbness and tingling in your hands and feet is a condition called peripheral neuropathy. Peripheral neuropathy can be a side effect associated with certain chemotherapy drugs. It is caused by damage to the nerves that transmit signals between the extremities and the central nervous system (CNS). Th ...
How Is the Brain Organized?
... The letter “a” in afferent comes alphabetically before the “e” in efferent, and sensory information must come into the brain before an outward-flowing signal can trigger a response. Therefore, afferent means “incoming” and efferent means “outgoing.” On the CD, visit the module on the Central Nervous ...
... The letter “a” in afferent comes alphabetically before the “e” in efferent, and sensory information must come into the brain before an outward-flowing signal can trigger a response. Therefore, afferent means “incoming” and efferent means “outgoing.” On the CD, visit the module on the Central Nervous ...
Pyrokinin/PBAN-like peptides in the central nervous system of
... diapause in the silkworm moth (Suwan et al. 1994), stimulation of visceral muscle contraction (Predel and Nachman 2001), and termination of pupal diapause development in heliothine moths (Xu and Denlinger 2003), among others. A highly conserved five amino acid C-terminal sequence has been identified ...
... diapause in the silkworm moth (Suwan et al. 1994), stimulation of visceral muscle contraction (Predel and Nachman 2001), and termination of pupal diapause development in heliothine moths (Xu and Denlinger 2003), among others. A highly conserved five amino acid C-terminal sequence has been identified ...
Likelihood approaches to sensory coding in auditory cortex
... the framework of estimation theory. Fisher believed that objective inference could be properly based solely on the likelihood function (Efron 1998, Pawitan 2001). It has come to represent more than just a method for generating point estimates, but rather a more general way of reasoning objectively u ...
... the framework of estimation theory. Fisher believed that objective inference could be properly based solely on the likelihood function (Efron 1998, Pawitan 2001). It has come to represent more than just a method for generating point estimates, but rather a more general way of reasoning objectively u ...
Axonal integrity predicts cortical reorganisation following cervical injury
... DTI metric) and age as a nuisance covariate. Parametric regressors were constructed by extracting from all subjects the mean DTI metric (ie, FA, MD, AD or RD) from the CST regions, where a significant difference in DTI metric was observed between SCI and control subjects. A between-subject GLM was us ...
... DTI metric) and age as a nuisance covariate. Parametric regressors were constructed by extracting from all subjects the mean DTI metric (ie, FA, MD, AD or RD) from the CST regions, where a significant difference in DTI metric was observed between SCI and control subjects. A between-subject GLM was us ...
Presentation
... and spatial distribution? ~90% of the regenerated axons survive for 6 months after PCA treatment: They survive at the same rate as uninjured serotonin axons. Furthermore, their distribution and shape are indistinguishable from uninjured axons. ...
... and spatial distribution? ~90% of the regenerated axons survive for 6 months after PCA treatment: They survive at the same rate as uninjured serotonin axons. Furthermore, their distribution and shape are indistinguishable from uninjured axons. ...
Fichamento do artigo: PANGARO, Paul. Cybernetics, A Definition
... However, the concepts and origins of cybernetics have become of greater interest recently, especially since around the year 2000. Lack of success by AI to create intelligent machines has increased curiosity toward alternative views of what a brain does [Ashby 1960] and alternative views of the biolo ...
... However, the concepts and origins of cybernetics have become of greater interest recently, especially since around the year 2000. Lack of success by AI to create intelligent machines has increased curiosity toward alternative views of what a brain does [Ashby 1960] and alternative views of the biolo ...