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14 MOTOR NUCLEUS OF CRANIAL NERVE VII (MOTOR VII)
... I touched on some of the connections and functions of the cerebellum when discussing the accessory cuneate nucleus (POINT #5) and the inferior olivary complex (POINT # 6). There will also be several lectures on the cerebellum. Right now, you need to know that CORTICOPONTINE fibers convey information ...
... I touched on some of the connections and functions of the cerebellum when discussing the accessory cuneate nucleus (POINT #5) and the inferior olivary complex (POINT # 6). There will also be several lectures on the cerebellum. Right now, you need to know that CORTICOPONTINE fibers convey information ...
SENSORY SYSTEMS
... mechanoreceptors 3. Sensitivity of mechanoreceptors increases 4. Activation of sympathetic system increases 5. Result: A viscous circle that causes RSD ...
... mechanoreceptors 3. Sensitivity of mechanoreceptors increases 4. Activation of sympathetic system increases 5. Result: A viscous circle that causes RSD ...
Functional Imaging of Central Nervous System Involvement in
... sensory, affective, and evaluative components of chronic pain,25 instead of rating acute pain alone, which was not related to cortical reorganization. Other clinical features such as motor and autonomic symptoms, including misuse of the affected hand, did not correlate with the amount of cortical re ...
... sensory, affective, and evaluative components of chronic pain,25 instead of rating acute pain alone, which was not related to cortical reorganization. Other clinical features such as motor and autonomic symptoms, including misuse of the affected hand, did not correlate with the amount of cortical re ...
Project Report: Investigating topographic neural map development
... (mean luminance) and local contrasts. The visual system would not be able to encode this broad range of information using a single fixed scale resolution range. An element of adaptability to various contrasts and intensity levels present in the stimulus is hardcoded into the architecture of the visu ...
... (mean luminance) and local contrasts. The visual system would not be able to encode this broad range of information using a single fixed scale resolution range. An element of adaptability to various contrasts and intensity levels present in the stimulus is hardcoded into the architecture of the visu ...
Središnja medicinska knjižnica
... In this study an indirect method of BTX-A detection (by cleaved SNAP-25 immunolabeling) was used. Antibody specificity to BTX-A-truncated and not to the intact SNAP-25 was previously confirmed by BTX-A injections into the rat hippocampus and SDS polyacrylamide gel electrophoresis followed by Wester ...
... In this study an indirect method of BTX-A detection (by cleaved SNAP-25 immunolabeling) was used. Antibody specificity to BTX-A-truncated and not to the intact SNAP-25 was previously confirmed by BTX-A injections into the rat hippocampus and SDS polyacrylamide gel electrophoresis followed by Wester ...
Multiple sites of spike initiation in a single dendritic
... arising from large EPSPs, whereas contralateral root stimulation generated spikes that arose from very small EPSPs 4. We have repeated this observation for an identified MTI, interneuron C (Fig. 1A) 14. This finding could be explained by assuming that the two sides have separate spike-initiating zon ...
... arising from large EPSPs, whereas contralateral root stimulation generated spikes that arose from very small EPSPs 4. We have repeated this observation for an identified MTI, interneuron C (Fig. 1A) 14. This finding could be explained by assuming that the two sides have separate spike-initiating zon ...
Properties of spike train spectra in two parietal reach areas
... gamma frequency band (25–90 Hz). LFP activity reflects the movement of extracellular currents arising from the activation of a local neuronal ensemble and is easier to record than spiking activity, particularly over long time intervals (Mitzdorf 1985). These observations suggest that LFP activity ob ...
... gamma frequency band (25–90 Hz). LFP activity reflects the movement of extracellular currents arising from the activation of a local neuronal ensemble and is easier to record than spiking activity, particularly over long time intervals (Mitzdorf 1985). These observations suggest that LFP activity ob ...
Ventromedial Thalamic Neurons Convey Nociceptive Signals from
... highly variable and, even for a single cell, could change during the long periods of recording and could be followed by long periods of silence. Moreover, many (62%) units developed afterdischarges after high intensity noxious stimulation. ...
... highly variable and, even for a single cell, could change during the long periods of recording and could be followed by long periods of silence. Moreover, many (62%) units developed afterdischarges after high intensity noxious stimulation. ...
Theories of pain: from specificity to gate control
... somatosensory pathway in humans. Descartes’ manuscript, Treatise of Man (originally written in French), was illustrated, edited, and published posthumously, first in Latin in 1662 (Descartes 1662) and then in French in 1664 (Descartes et al. 1664). In Treatise of Man, based on the French edition by ...
... somatosensory pathway in humans. Descartes’ manuscript, Treatise of Man (originally written in French), was illustrated, edited, and published posthumously, first in Latin in 1662 (Descartes 1662) and then in French in 1664 (Descartes et al. 1664). In Treatise of Man, based on the French edition by ...
The polyvagal theory: phylogenetic substrates of a
... system provided sensitive indicators of brain arousal or activation. This view was based on a rudimentary understanding of the autonomic nervous system, in which changes in easily measured peripheral organs Že.g. sweat glands, heart. were assumed to be accurate indicators of how the brain is process ...
... system provided sensitive indicators of brain arousal or activation. This view was based on a rudimentary understanding of the autonomic nervous system, in which changes in easily measured peripheral organs Že.g. sweat glands, heart. were assumed to be accurate indicators of how the brain is process ...
Chapter 143: Auditory System - Physiology
... Middle ear transformer The middle ear serves to transmit sound energy from the air space in the external auditory meatus to the fluid in the cochlea. This coupling is accomplished through the vibration of the three middle ear ossicles. The movement of the tympanic membrane in response to pressure c ...
... Middle ear transformer The middle ear serves to transmit sound energy from the air space in the external auditory meatus to the fluid in the cochlea. This coupling is accomplished through the vibration of the three middle ear ossicles. The movement of the tympanic membrane in response to pressure c ...
The polyvagal theory: phylogenetic substrates of
... system provided sensitive indicators of brain arousal or activation. This view was based on a rudimentary understanding of the autonomic nervous system, in which changes in easily measured peripheral organs Že.g. sweat glands, heart. were assumed to be accurate indicators of how the brain is process ...
... system provided sensitive indicators of brain arousal or activation. This view was based on a rudimentary understanding of the autonomic nervous system, in which changes in easily measured peripheral organs Že.g. sweat glands, heart. were assumed to be accurate indicators of how the brain is process ...
CNS learns Stable, Accurate and Efficient Movements using a
... systems because neural delays preclude the use of feedback to compensate for instability in the environment (Mehta and Schaal, 2002). While it is recognized that the internal representation can be rapidly modified to adapt to changes in environmental forces, the mechanisms employed by the central ne ...
... systems because neural delays preclude the use of feedback to compensate for instability in the environment (Mehta and Schaal, 2002). While it is recognized that the internal representation can be rapidly modified to adapt to changes in environmental forces, the mechanisms employed by the central ne ...
Key Points: Neuroscience Exam #2 Lecture 16 and 17: Development of
... Rapidly adapting (RA) mechanoreceptors adapt quickly and signal a change in a stimulus (e.g., onset or offset) or movement Meissner corpuscles (touch; flutter) Pacinian corpuscles (pressure; vibration) Slowly adapting (SA) mechanoreceptors signal the continued presence, and intensity, of a s ...
... Rapidly adapting (RA) mechanoreceptors adapt quickly and signal a change in a stimulus (e.g., onset or offset) or movement Meissner corpuscles (touch; flutter) Pacinian corpuscles (pressure; vibration) Slowly adapting (SA) mechanoreceptors signal the continued presence, and intensity, of a s ...
Anatomofunctional organization of the ventral primary motor and
... series with the stimulating electrode. In each penetration, ICMS was performed at every 500 lm of depth (i.e. in one step out of two), starting 500 lm below the site where the first multi-unit activity was detected. At each site, ICMS was delivered when the monkey was quiet and relaxed, and those ca ...
... series with the stimulating electrode. In each penetration, ICMS was performed at every 500 lm of depth (i.e. in one step out of two), starting 500 lm below the site where the first multi-unit activity was detected. At each site, ICMS was delivered when the monkey was quiet and relaxed, and those ca ...
Full Text
... layer thickness measured by optical coherence tomography is reduced and corresponding shrinkage of the optic tract can be demonstrated by magnetic resonance imaging. The time course of the degeneration in humans is, however, unknown. In the present study, we have used optical coherence tomography to ...
... layer thickness measured by optical coherence tomography is reduced and corresponding shrinkage of the optic tract can be demonstrated by magnetic resonance imaging. The time course of the degeneration in humans is, however, unknown. In the present study, we have used optical coherence tomography to ...
Role of the trigeminal mesencephalic nucleus in rat whisker pad
... masseter muscle on the same side of deeply anesthetized rats to label the respective projecting sensory neurons. This double-labeling technique was used to assess the co-innervation of both structures by the trigeminal mesencephalic nucleus (TMnu). In a separate group of anesthetized animals, the sp ...
... masseter muscle on the same side of deeply anesthetized rats to label the respective projecting sensory neurons. This double-labeling technique was used to assess the co-innervation of both structures by the trigeminal mesencephalic nucleus (TMnu). In a separate group of anesthetized animals, the sp ...
PAIN[1]
... gate or a control system between the peripheral nerve fibers and central cells that permits only one type of nerve impulse (pain or no pain) to pass through. Serving in a capacity similar to that of a “switch operator” in a railroad yard, the SG monitors the amount of activity occurring on both inco ...
... gate or a control system between the peripheral nerve fibers and central cells that permits only one type of nerve impulse (pain or no pain) to pass through. Serving in a capacity similar to that of a “switch operator” in a railroad yard, the SG monitors the amount of activity occurring on both inco ...
pain
... gate or a control system between the peripheral nerve fibers and central cells that permits only one type of nerve impulse (pain or no pain) to pass through. Serving in a capacity similar to that of a “switch operator” in a railroad yard, the SG monitors the amount of activity occurring on both inco ...
... gate or a control system between the peripheral nerve fibers and central cells that permits only one type of nerve impulse (pain or no pain) to pass through. Serving in a capacity similar to that of a “switch operator” in a railroad yard, the SG monitors the amount of activity occurring on both inco ...
The Formation of Specific Synaptic Connections Between Muscle
... A convenient experimental system for studying, in the vertebrate CNS, this third aspect of neural development, i.e., the actual formation of specific synaptic connections, is the set of monosynaptic excitatory connections between muscle spindle afferent fibers and motoneurons projecting to limb musc ...
... A convenient experimental system for studying, in the vertebrate CNS, this third aspect of neural development, i.e., the actual formation of specific synaptic connections, is the set of monosynaptic excitatory connections between muscle spindle afferent fibers and motoneurons projecting to limb musc ...
Somatosensory and Pain
... Pain has a cause. Something external is making you hurt and it will stop. That’s “good pain”. An unpleasant, subjective, sensory and emotional experience which is associated with actual or potential ...
... Pain has a cause. Something external is making you hurt and it will stop. That’s “good pain”. An unpleasant, subjective, sensory and emotional experience which is associated with actual or potential ...
MotorIntroV2
... Voluntary movements are organized by motor programs • Translate goal into action – Formation of a movement representation, or motor program ...
... Voluntary movements are organized by motor programs • Translate goal into action – Formation of a movement representation, or motor program ...
AANA Journal Course - American Association of Nurse Anesthetists
... for the baroreceptor reflex. Arterial baroreceptors are stretch-sensitive nerve endings embedded in the walls of the carotid sinus, aortic arch, myocardium, and pulmonary vessels. Vascular deformation (increased pressure equals increased stretch) begins the process of mechanosensory transduction. Ac ...
... for the baroreceptor reflex. Arterial baroreceptors are stretch-sensitive nerve endings embedded in the walls of the carotid sinus, aortic arch, myocardium, and pulmonary vessels. Vascular deformation (increased pressure equals increased stretch) begins the process of mechanosensory transduction. Ac ...
Chapter 2 in PDF - International Clinic of Rehabilitation
... of movements in functional systems When working on the rehabilitation of the human locomotor system, the health professional should be aware of the principles governing the person’s development, organization, and his reserve and adaptive resources in various functioning conditions. It should be clea ...
... of movements in functional systems When working on the rehabilitation of the human locomotor system, the health professional should be aware of the principles governing the person’s development, organization, and his reserve and adaptive resources in various functioning conditions. It should be clea ...
Microneurography
![](https://commons.wikimedia.org/wiki/Special:FilePath/Microneurography,_experimental_setup,_schematic.jpg?width=300)
Microneurography is a neurophysiological method employed by scientists to visualize and record the normal traffic of nerve impulses that are conducted in peripheral nerves of waking human subjects. The method has been successfully employed to reveal functional properties of a number of neural systems, e.g. sensory systems related to touch, pain, and muscle sense as well as sympathetic activity controlling the constriction state of blood vessels. To study nerve impulses of an identified neural system, a fine tungsten needle electrode is inserted into the nerve and connected to a high gain recording amplifier. The exact position of the electrode tip within the nerve is then adjusted in minute steps until the electrode discriminates impulses of the neural system of interest. A unique feature and a significant strength of the microneurography method is that subjects are fully awake and able to cooperate in tests requiring mental attention, while impulses in a representative nerve fibre or set of nerve fibres are recorded, e.g. when cutaneous sense organs are stimulated or subjects perform voluntary precision movements.