35-2 The Nervous System
... The brain stem connects the brain and spinal cord. It has two regions: the pons and the medulla oblongata. Each region regulates information flow between the brain and the rest of the body. Blood pressure, heart rate, breathing, and swallowing are controlled in the brain stem. Slide 44 of 37 Copyrig ...
... The brain stem connects the brain and spinal cord. It has two regions: the pons and the medulla oblongata. Each region regulates information flow between the brain and the rest of the body. Blood pressure, heart rate, breathing, and swallowing are controlled in the brain stem. Slide 44 of 37 Copyrig ...
Electrical stimulation of neural tissue to evoke behavioral responses
... neural tissue mediating behaviors such as eating (Olds, 1958), self-stimulation (Wise, 1972; Fouriezos and Wise, 1984; Milner and Laferriere, 1986), and circling behavior (Yeomans et al., 1984, 1986). The method used by Fouriezos and Wise (1984) and further developed by Yeomans et al. (1986) is now ...
... neural tissue mediating behaviors such as eating (Olds, 1958), self-stimulation (Wise, 1972; Fouriezos and Wise, 1984; Milner and Laferriere, 1986), and circling behavior (Yeomans et al., 1984, 1986). The method used by Fouriezos and Wise (1984) and further developed by Yeomans et al. (1986) is now ...
Physiology of Ejaculation
... In humans, PET and fMRI studies showed strong activation in the ventral tegmental area (VTA) (a known reward center), the subparafascicular nucleus, ventromedial posterior thalamic nucleus, intralaminar nuclei, and lateral central tegmental field specifically during ejaculation. Activation of the la ...
... In humans, PET and fMRI studies showed strong activation in the ventral tegmental area (VTA) (a known reward center), the subparafascicular nucleus, ventromedial posterior thalamic nucleus, intralaminar nuclei, and lateral central tegmental field specifically during ejaculation. Activation of the la ...
Stimulus-Dependent Synchronization of Neuronal Responses in the
... preferences for particular features of visual stimuli, but in general, the tuning is broad. Thus, even simple stimuli evoke responses in numerous neurons with differing but overlapping feature preferences, and it is commonly held that a particular feature is encoded in the pattern of graded response ...
... preferences for particular features of visual stimuli, but in general, the tuning is broad. Thus, even simple stimuli evoke responses in numerous neurons with differing but overlapping feature preferences, and it is commonly held that a particular feature is encoded in the pattern of graded response ...
Viral vector-based tools advance knowledge of basal ganglia
... impairments occur later in the disease and are thought to be due to neuronal degeneration (Estrada-Sánchez and Rebec 2013). HD causes selective degeneration of striatal MSNs due to nuclear inclusions and cytosolic aggregation of the huntingtin protein (Ramaswamy et al. 2007; Southwell and Patterson ...
... impairments occur later in the disease and are thought to be due to neuronal degeneration (Estrada-Sánchez and Rebec 2013). HD causes selective degeneration of striatal MSNs due to nuclear inclusions and cytosolic aggregation of the huntingtin protein (Ramaswamy et al. 2007; Southwell and Patterson ...
AUTONOMIC NERVOUS SYSTEM
... secretions, urinary bladder emptying, sweating, body temperature, and many other activities • Some of the above functions are controlled almost entirely and some only partially by the autonomic nervous system. ...
... secretions, urinary bladder emptying, sweating, body temperature, and many other activities • Some of the above functions are controlled almost entirely and some only partially by the autonomic nervous system. ...
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... The duration of pulpal anaesthesia is highly variable and somewhat unpredictable. ...
... The duration of pulpal anaesthesia is highly variable and somewhat unpredictable. ...
Computational themes of peripheral processing
... from steady-state responses that describe encoding of slow amplitude modulations (Fig. 2b). Fast and slow stimulus components are separated by the adaptation time constant. Shape and position of the onset response curve depend on the state of adaptation (Fig. 2d, e). Steady state curves can be probe ...
... from steady-state responses that describe encoding of slow amplitude modulations (Fig. 2b). Fast and slow stimulus components are separated by the adaptation time constant. Shape and position of the onset response curve depend on the state of adaptation (Fig. 2d, e). Steady state curves can be probe ...
Thomas A. Woolsey
... The human nervous system is complex and sophisticated. It is the most remarkable system in biology. A major challenge for neuroscience, psychology, medicine, and, indeed, for civilization is to understand the nervous system at the same fundamental levels at which we now understand other organ system ...
... The human nervous system is complex and sophisticated. It is the most remarkable system in biology. A major challenge for neuroscience, psychology, medicine, and, indeed, for civilization is to understand the nervous system at the same fundamental levels at which we now understand other organ system ...
synaptic connections made by axons
... 1990). Thus, short-range growth and rearrangements in connectivity, generated by changes in arborizations and synapses, may continue to be made long after birth. In the embryo, some of these events may be facilitated by the short distance that usually separates most neurones from their targets and t ...
... 1990). Thus, short-range growth and rearrangements in connectivity, generated by changes in arborizations and synapses, may continue to be made long after birth. In the embryo, some of these events may be facilitated by the short distance that usually separates most neurones from their targets and t ...
View the Program Guide - International Society for Stem Cell Research
... quality automated cell counters and advanced cell analyzers to help streamline processes for maximum efficiency. Our instruments are widely used in fields such as cancer and stem cell research and production and quality control of a number of products such as pharmaceuticals, beer, animal semen and ...
... quality automated cell counters and advanced cell analyzers to help streamline processes for maximum efficiency. Our instruments are widely used in fields such as cancer and stem cell research and production and quality control of a number of products such as pharmaceuticals, beer, animal semen and ...
Multimodality Imaging
... however, inferences about neuronal activity made from the fMRI examination is limited by our real understanding of the coupling between the observed blood flow– dependent signals and the real neuronal electrical activity within the region of the signal change. Nonetheless, fMRI is becoming a potenti ...
... however, inferences about neuronal activity made from the fMRI examination is limited by our real understanding of the coupling between the observed blood flow– dependent signals and the real neuronal electrical activity within the region of the signal change. Nonetheless, fMRI is becoming a potenti ...
Understanding Structural-Functional Relationships in the Human
... functional connectivity, structural connectivity, module, rich club, graph theory, connectome One of the most important and challenging questions in neuroscience is the elucidation of the relationship between the structure and function of large-scale brain systems— that is, how the structure of the ...
... functional connectivity, structural connectivity, module, rich club, graph theory, connectome One of the most important and challenging questions in neuroscience is the elucidation of the relationship between the structure and function of large-scale brain systems— that is, how the structure of the ...
Organization of acetylcholine-containing structures in the cranial
... into two major groups which were connected together, and the nucleus as a whole was semilunar in shape (Figure 6b). The first group was placed more dorsally near the fourth ventricle, while the second group was located ventrolaterally from the first one. All the stained neurons showed the same, mode ...
... into two major groups which were connected together, and the nucleus as a whole was semilunar in shape (Figure 6b). The first group was placed more dorsally near the fourth ventricle, while the second group was located ventrolaterally from the first one. All the stained neurons showed the same, mode ...
Biological Cybernetics
... head movements. Since the model has been described in detail elsewhere (Eurich et al. 1995), it is evaluated only with respect to its coarse coding properties. In Sect. 4, a coarse coding scheme for depth perception is developed comprised of large, overlapping three-dimensional receptive fields in t ...
... head movements. Since the model has been described in detail elsewhere (Eurich et al. 1995), it is evaluated only with respect to its coarse coding properties. In Sect. 4, a coarse coding scheme for depth perception is developed comprised of large, overlapping three-dimensional receptive fields in t ...
Evidence for implication of primate area V1 in neural 3
... depth, and this bias is predictable from the disparity preference of neurons at the stimulation site [21]. There is still the unexplored possibility in primates, using such an approach, that intermediate cortical areas such as V3–V3a could also be directly involved in depth perception, as proposed b ...
... depth, and this bias is predictable from the disparity preference of neurons at the stimulation site [21]. There is still the unexplored possibility in primates, using such an approach, that intermediate cortical areas such as V3–V3a could also be directly involved in depth perception, as proposed b ...
292(1):94-106
... structure is intimately connected to normal brain function, as abnormalities in brain structure during development are correlated with a wide range of neurodevelopmental disorders (Kurokawa et al., 2000; Gilmore et al., 2001; Hardan et al., 2001; Rehn and Rees, 2005; Nopoulos et al., 2007). Brain mo ...
... structure is intimately connected to normal brain function, as abnormalities in brain structure during development are correlated with a wide range of neurodevelopmental disorders (Kurokawa et al., 2000; Gilmore et al., 2001; Hardan et al., 2001; Rehn and Rees, 2005; Nopoulos et al., 2007). Brain mo ...
Cochlear Implant 1
... In analog stimulation, an electrical analog of the acoustic waveform itself is presented to the electrode. In multi-channel implants, the acoustic waveform is bandpass filtered, and the filtered waveforms are presented to all electrodes simultaneously in analog form. Nervous system will sort o ...
... In analog stimulation, an electrical analog of the acoustic waveform itself is presented to the electrode. In multi-channel implants, the acoustic waveform is bandpass filtered, and the filtered waveforms are presented to all electrodes simultaneously in analog form. Nervous system will sort o ...
Lecture #1 - University of Utah
... Sensory experience/perception is dictated by the neurons that are active-not the sensory stimulus e.g. mech. Stim of retina ...
... Sensory experience/perception is dictated by the neurons that are active-not the sensory stimulus e.g. mech. Stim of retina ...
Neuroscience and Behavior
... end. Once you tip the first domino, all of the other dominos topple in turn until the last domino falls. When an action potential is triggered, the nerve impulse travels the complete length of the axon until it reaches the terminal buttons. Once the neuron fires, it enters a refractory period, when ...
... end. Once you tip the first domino, all of the other dominos topple in turn until the last domino falls. When an action potential is triggered, the nerve impulse travels the complete length of the axon until it reaches the terminal buttons. Once the neuron fires, it enters a refractory period, when ...
Nervous System - Warren County Schools
... • Maintain homeostasis with electrical signals • Provide for sensation • Provide for higher mental functions and emotions • Activate muscles and glands ...
... • Maintain homeostasis with electrical signals • Provide for sensation • Provide for higher mental functions and emotions • Activate muscles and glands ...
Selective visual attention and perceptual coherence
... initiated by transient switch signals that ‘reset’ or ‘nudge’ the brain out of the current attractor state, allowing a new coherence field to be formed based on input from the sensory environment and from working memory, where current task goals are maintained. Attention biases competition for repre ...
... initiated by transient switch signals that ‘reset’ or ‘nudge’ the brain out of the current attractor state, allowing a new coherence field to be formed based on input from the sensory environment and from working memory, where current task goals are maintained. Attention biases competition for repre ...
Noise in Neurons and Other Constraints
... action potential, the fundamental electrical signal of the brain, because malfunction of the action potential causes many neurological conditions. The action potential is mediated by the concerted action of voltagegated ion channels and relating the properties of these signalling molecules to the pr ...
... action potential, the fundamental electrical signal of the brain, because malfunction of the action potential causes many neurological conditions. The action potential is mediated by the concerted action of voltagegated ion channels and relating the properties of these signalling molecules to the pr ...