Modulation of brain activity by electrical stimulation and external
... effective to ameliorate parkinsonian symptoms, and remains the most common treatment method to this day. But because its positive effects decline over time and it can cause some serious side effect, some patients need to resort to other treatment methods. High frequency electrical stimulation of com ...
... effective to ameliorate parkinsonian symptoms, and remains the most common treatment method to this day. But because its positive effects decline over time and it can cause some serious side effect, some patients need to resort to other treatment methods. High frequency electrical stimulation of com ...
Experiment HN-6: Hoffman Reflex using the Soleus Muscle
... stimulation. The H-wave is the later response. As the stimulus increases, the H-wave will gradually increase until we begin to directly recruit efferent neurons (the M-wave). As the stimulation current continues to increase the M-wave will continue to rise and the H-wave will become smaller and may ...
... stimulation. The H-wave is the later response. As the stimulus increases, the H-wave will gradually increase until we begin to directly recruit efferent neurons (the M-wave). As the stimulation current continues to increase the M-wave will continue to rise and the H-wave will become smaller and may ...
the clinical role of evoked potentials
... (SSEPs), and brainstem auditory evoked potentials (BSAEPs) are tested most frequently. Longer latency responses that are related to higher ‘‘cognitive’’ functions such as event related potentials (ERPs), contingent negative variant (CNV), and sensory potentials after stimulation with CO2 lasers are ...
... (SSEPs), and brainstem auditory evoked potentials (BSAEPs) are tested most frequently. Longer latency responses that are related to higher ‘‘cognitive’’ functions such as event related potentials (ERPs), contingent negative variant (CNV), and sensory potentials after stimulation with CO2 lasers are ...
THE EMOTIOGENIC BRAIN STRUCTURES IN CONDITIONING
... response of the motor nerve, a n effector component of the conditioned response. It was impossible to establish any unambiguous functional relationship between the manifestation of the conditioned evoked potential and the conditioned neurographic response. For this reason, these relationships were e ...
... response of the motor nerve, a n effector component of the conditioned response. It was impossible to establish any unambiguous functional relationship between the manifestation of the conditioned evoked potential and the conditioned neurographic response. For this reason, these relationships were e ...
Pain bare
... • Internuncial neurons may modify activity of pain circuits • Activated by large diameter (tactile) axons ...
... • Internuncial neurons may modify activity of pain circuits • Activated by large diameter (tactile) axons ...
07-Managing Pain
... Gate control theory of pain • Sensory input is not the only factor – Changes in the spinal column and brain control the flow of neural impulses – Parts of spinal column can either • increase (open the gate) or • decrease (close the gate) ...
... Gate control theory of pain • Sensory input is not the only factor – Changes in the spinal column and brain control the flow of neural impulses – Parts of spinal column can either • increase (open the gate) or • decrease (close the gate) ...
Aalborg Universitet Brain plasticity Wang, Li
... electroencephalography (EEG) or somatosensory evoked potentials (SEPs). Each study used SEPs or EEG to measure the brain dynamics before, during or after various modulatory effects. Study I used painful and non-painful finger stimulation applied to the thumb and little finger tips which as an experi ...
... electroencephalography (EEG) or somatosensory evoked potentials (SEPs). Each study used SEPs or EEG to measure the brain dynamics before, during or after various modulatory effects. Study I used painful and non-painful finger stimulation applied to the thumb and little finger tips which as an experi ...
Bidirectional propagation of Action potentials
... two classes of Cells, the nerve cells or ”neurons” and the glial cells or ”glia”. They both have different functions to make the nervous system work. We can classify neurons in three functional categories: sensory neurons, motor neurons and interneurons. While sensory neurons convey signals from the ...
... two classes of Cells, the nerve cells or ”neurons” and the glial cells or ”glia”. They both have different functions to make the nervous system work. We can classify neurons in three functional categories: sensory neurons, motor neurons and interneurons. While sensory neurons convey signals from the ...
Spatiotemporal Profiles of Proprioception Processed by
... mesencephalic neurons (MesV neurons), control the strength of occlusion and the position of the mandible. The mechanisms underlying cortical processing of proprioceptive information are critical to understanding how sensory information from the masticatory muscles regulates orofacial motor function. ...
... mesencephalic neurons (MesV neurons), control the strength of occlusion and the position of the mandible. The mechanisms underlying cortical processing of proprioceptive information are critical to understanding how sensory information from the masticatory muscles regulates orofacial motor function. ...
The non-classical auditory pathways are involved in hearing in
... We interpreted our results as signs of involvement of the non-classical pathways that diminished with age, thus probably a sign of normal maturation. The fact that some of the individuals that we studied experienced an increase in loudness when their median nerve was stimulated while a few individua ...
... We interpreted our results as signs of involvement of the non-classical pathways that diminished with age, thus probably a sign of normal maturation. The fact that some of the individuals that we studied experienced an increase in loudness when their median nerve was stimulated while a few individua ...
An ultra small array of electrodes for stimulating multiple
... et al., 2003) to stimulate neural fibers. However, limitations on electrode densities have restricted the study of neighboring synapses on an individual neuron. The technique of focal photolysis of caged glutamate offers a high degree of control over the spatiotemporal characteristics of stimuli to ...
... et al., 2003) to stimulate neural fibers. However, limitations on electrode densities have restricted the study of neighboring synapses on an individual neuron. The technique of focal photolysis of caged glutamate offers a high degree of control over the spatiotemporal characteristics of stimuli to ...
LGN
... maybe a small oculomotor system in cats??). The thalamus contains sensory relay nuclei for all the senses: sometimes called “the gateway to the cortex”. (Olfaction is a partial exception: some direct connections from olfactory bulb to cortex). ...
... maybe a small oculomotor system in cats??). The thalamus contains sensory relay nuclei for all the senses: sometimes called “the gateway to the cortex”. (Olfaction is a partial exception: some direct connections from olfactory bulb to cortex). ...
pain impulses
... describe how pain is sensed and how the “pain message” is transmitted to the central nervous system, and ...
... describe how pain is sensed and how the “pain message” is transmitted to the central nervous system, and ...
File S1.
... resistance is known. This equation emphasizes the role of two relevant parameters in the stimulation of neurites. First, the neurons that respond strongest to the induced electric field are those whose neurite – axon or dendrite – lies parallel to the electric field. This observation is clear from t ...
... resistance is known. This equation emphasizes the role of two relevant parameters in the stimulation of neurites. First, the neurons that respond strongest to the induced electric field are those whose neurite – axon or dendrite – lies parallel to the electric field. This observation is clear from t ...
Tom`s JSNC2000 paper
... representing a neural code that might be used to move the ANIMAT. For example, work by Nicolelis (e.g.., Nicolelis et al., 1998) has shown evidence of a distributed neural code involved in representing tactile information in monkeys. In addition, Georgopoulos (e.g., Georgopoulos et al., 1986) has sh ...
... representing a neural code that might be used to move the ANIMAT. For example, work by Nicolelis (e.g.., Nicolelis et al., 1998) has shown evidence of a distributed neural code involved in representing tactile information in monkeys. In addition, Georgopoulos (e.g., Georgopoulos et al., 1986) has sh ...
Deep transcranial magnetic stimulation add
... wrists, saying he wanted to be admitted to the hospital ...
... wrists, saying he wanted to be admitted to the hospital ...
before ethics and morality
... The studies of Rene Spitz on the effects of “hospitalism” on infants raised in a foundling home have documented that such infants can die when emotional deprivation is severe. This has been called “marasmus” and occurs even when the physical, nutritional, and medical care of the infant is satisfact ...
... The studies of Rene Spitz on the effects of “hospitalism” on infants raised in a foundling home have documented that such infants can die when emotional deprivation is severe. This has been called “marasmus” and occurs even when the physical, nutritional, and medical care of the infant is satisfact ...
Psychosurgery: past, present, and future
... the surgery fell to the hands of non-surgeons as well as nonphysicians. Electroconvulsive treatment (another controversial somatic therapy in psychiatry) was used for anesthesia, and then an instrument resembling an ice pick was inserted into the orbital roof and swept across the prefrontal cortex. ...
... the surgery fell to the hands of non-surgeons as well as nonphysicians. Electroconvulsive treatment (another controversial somatic therapy in psychiatry) was used for anesthesia, and then an instrument resembling an ice pick was inserted into the orbital roof and swept across the prefrontal cortex. ...
An implantable electrode design for both chronic in vivo
... 2.2. Preparation of the double hook electrodes Uncoated 20 mm thin platinum wire (Degussa-Huels AG, Frankfurt, Germany) was first insulated with a non-toxic two component silicone (Extrude† -low consistency, Kerr GmbH, Karlsruhe, Germany), freshly mixed and applied by hand. The consistency of the si ...
... 2.2. Preparation of the double hook electrodes Uncoated 20 mm thin platinum wire (Degussa-Huels AG, Frankfurt, Germany) was first insulated with a non-toxic two component silicone (Extrude† -low consistency, Kerr GmbH, Karlsruhe, Germany), freshly mixed and applied by hand. The consistency of the si ...
Efficacy of repetitive transcranial magnetic stimulation (rTMS) in the
... The interest for magnetic stimulation has to a big extent emerged from the ambition to replace ECT. In contrast to ECT the magnetic stimulation does not need to induce a seizure for antidepressant effect, which reduces the risks and side effects fundamentally. There is no need for anesthetic drugs w ...
... The interest for magnetic stimulation has to a big extent emerged from the ambition to replace ECT. In contrast to ECT the magnetic stimulation does not need to induce a seizure for antidepressant effect, which reduces the risks and side effects fundamentally. There is no need for anesthetic drugs w ...
Does spike-time dependant plasticity occurs in dorsal horn neurons
... Furthermore, the introduction of the gate control theory of pain by Melzack and Wall in 1965 provided a convincing theory about the nature of pain and offered a theoretical basis for the effectiveness of transcutaneous electrical nerve stimulation (TENS) in pain relief. The theory suggests that stim ...
... Furthermore, the introduction of the gate control theory of pain by Melzack and Wall in 1965 provided a convincing theory about the nature of pain and offered a theoretical basis for the effectiveness of transcutaneous electrical nerve stimulation (TENS) in pain relief. The theory suggests that stim ...
A novel neuroprosthetic interface with the peripheral nervous system
... important to have an architecture that minimizes surgical complexity and recovery time, provides a hospitable environment for nerve survival and lends itself to rapid learning. Over the past several decades, a variety of architectures that target both the CNS and PNS have been developed. CNS-based a ...
... important to have an architecture that minimizes surgical complexity and recovery time, provides a hospitable environment for nerve survival and lends itself to rapid learning. Over the past several decades, a variety of architectures that target both the CNS and PNS have been developed. CNS-based a ...
lgn - cinpla
... what role does this relay center play in the visual pathway? The lateral geniculate nucleus (LGN) is placed in a prominent position in the early visual pathway. It sits between the retina and the visual cortex, acting as a relay between the two. Inserting a microelectrode into the LGN reveals that t ...
... what role does this relay center play in the visual pathway? The lateral geniculate nucleus (LGN) is placed in a prominent position in the early visual pathway. It sits between the retina and the visual cortex, acting as a relay between the two. Inserting a microelectrode into the LGN reveals that t ...
pdf
... humans (19) and has been found to be associated with auditory attention (1, 20, 41) resulting in top-down modulation of auditory processing (25). This finding was further confirmed by electrophysiological data indicating that tinnitus might occur as the result of a dysfunction in the top-down inhibito ...
... humans (19) and has been found to be associated with auditory attention (1, 20, 41) resulting in top-down modulation of auditory processing (25). This finding was further confirmed by electrophysiological data indicating that tinnitus might occur as the result of a dysfunction in the top-down inhibito ...
Inter-regional Contribution of Enhanced Activity of the Primary
... To clearly distinguish the activity of from the analysis. Scale bar, 12 m. b, Typical traces of sensory-evoked Ca transients of L2/3 excitatory neurons in a control (upper traces) and CFA-injected (lower traces) mouse. c– e, Cumulative probability histograms of the responding cell ratio (c), L2/3 e ...
... To clearly distinguish the activity of from the analysis. Scale bar, 12 m. b, Typical traces of sensory-evoked Ca transients of L2/3 excitatory neurons in a control (upper traces) and CFA-injected (lower traces) mouse. c– e, Cumulative probability histograms of the responding cell ratio (c), L2/3 e ...