Hyperhidrosis Due to Thalamic Deep Brain Stimulation in a Patient
... (ET) is a the most common form of tremor encountered in movement disorder clinics. ET is characterized by postural and action tremor of the upper extremities, but head, voice, and lower extremity tremors may also be present. For medication-resistant patients, high frequency stimulation of the thalam ...
... (ET) is a the most common form of tremor encountered in movement disorder clinics. ET is characterized by postural and action tremor of the upper extremities, but head, voice, and lower extremity tremors may also be present. For medication-resistant patients, high frequency stimulation of the thalam ...
Japan-Canada Joint Health Research Program – U
... recorded even with 10 mm-distant bipolar cortical stimulation, and the amplitude was larger with anode rather than cathode stimulation. Monitoring of the D-wave enabled the function of the corticospinal tract to be evaluated selectively. It is also useful for detection of the primary motor cortex, a ...
... recorded even with 10 mm-distant bipolar cortical stimulation, and the amplitude was larger with anode rather than cathode stimulation. Monitoring of the D-wave enabled the function of the corticospinal tract to be evaluated selectively. It is also useful for detection of the primary motor cortex, a ...
Understanding the brain by controlling neural activity
... C. Daniel Salzman turned to neuroscience while a medical student at Stanford University. His PhD thesis provided causal evidence linking the activity of physiologically classified neurons in visual cortex with perceptual judgements. After graduating from Stanford with his MD and PhD, Daniel returned ...
... C. Daniel Salzman turned to neuroscience while a medical student at Stanford University. His PhD thesis provided causal evidence linking the activity of physiologically classified neurons in visual cortex with perceptual judgements. After graduating from Stanford with his MD and PhD, Daniel returned ...
WFSBP Guidelines on Brain Stimulation Treatments in Psychiatry
... for depression and it is possible that peak benefit may not be evident until 10–12 months after initiating therapy. It therefore takes months for an effect to emerge, when it does. There is no Class I evidence for efficacy in acute or chronic depression, even though the FDA approved VNS in 2005 as a ...
... for depression and it is possible that peak benefit may not be evident until 10–12 months after initiating therapy. It therefore takes months for an effect to emerge, when it does. There is no Class I evidence for efficacy in acute or chronic depression, even though the FDA approved VNS in 2005 as a ...
TactileKinestheticsUpdated
... • IF… Stress and depression during pregnancy produce an increased risk for premature delivery, and associated complications ...
... • IF… Stress and depression during pregnancy produce an increased risk for premature delivery, and associated complications ...
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... with contralateral acoustic stimulation. The facilitation of neuronal activity observed in previous studies could be related to the complex nature and relatively long duration of sound stimuli, compared with single shock electrical stimulation of the AN. Indeed, the excitatory responses usually had ...
... with contralateral acoustic stimulation. The facilitation of neuronal activity observed in previous studies could be related to the complex nature and relatively long duration of sound stimuli, compared with single shock electrical stimulation of the AN. Indeed, the excitatory responses usually had ...
The BION devices: injectable interfaces with peripheral nerves and
... voluntary extension to open the hand for grasping or holding objects. Much experimental attention has recently been focused on using intensive retraining therapies to take advantage of functional plasticity in areas of the motor cortex adjacent to the infarct.33 In collaboration with the clinical te ...
... voluntary extension to open the hand for grasping or holding objects. Much experimental attention has recently been focused on using intensive retraining therapies to take advantage of functional plasticity in areas of the motor cortex adjacent to the infarct.33 In collaboration with the clinical te ...
Behavioral Detectability of Single-Cell Stimulation in the Ventral
... cells in whisker-related parts of the thalamus, we applied microstimulawe only mildly punished licks in the interstimulus interval with an addition at intensities (8 –15 A) slightly higher than during psychophysical tional 1.5 s delay to the next stimulus presentation. The average interexperiments ...
... cells in whisker-related parts of the thalamus, we applied microstimulawe only mildly punished licks in the interstimulus interval with an addition at intensities (8 –15 A) slightly higher than during psychophysical tional 1.5 s delay to the next stimulus presentation. The average interexperiments ...
Spherical harmonics decomposition and Sphericity
... The baseline for excitation is determined on a standardly grown two dimensional culture. The axons of neurons grown in such non-patterned 2D cultures do not usually follow a particular direction. This implies that both axons and dendrites will have random orientations and that stimulation of such a ...
... The baseline for excitation is determined on a standardly grown two dimensional culture. The axons of neurons grown in such non-patterned 2D cultures do not usually follow a particular direction. This implies that both axons and dendrites will have random orientations and that stimulation of such a ...
The influence of current direction on phosphene
... Functional magnetic resonance imaging (fMRI) of retinotopic areas was performed in 5 subjects to individually characterize the borders of visual areas; TMS stimulation sites were coregistered with respect to visual areas. Results: Despite large interindividual variance we found a consistent pattern ...
... Functional magnetic resonance imaging (fMRI) of retinotopic areas was performed in 5 subjects to individually characterize the borders of visual areas; TMS stimulation sites were coregistered with respect to visual areas. Results: Despite large interindividual variance we found a consistent pattern ...
Neuroplasticity
... increases with number of stimulated afferents – Associativity: LTP only induced at weak input when associated with activity in strong input – Input specificity: Unstimulated weak pathway not facilitated after tetanus of strong pathway ...
... increases with number of stimulated afferents – Associativity: LTP only induced at weak input when associated with activity in strong input – Input specificity: Unstimulated weak pathway not facilitated after tetanus of strong pathway ...
Regulation of Breathing
... 2. This group of chemoreceptors are sensitive to Decreased PaO2 (less than 60 mmHg) Increased PaCO2 Decreased pH (acidosis) 3. Changes in pH must be as large 4. When the Central Chemoreceptors do not respond 5. CO2 retainer II. ...
... 2. This group of chemoreceptors are sensitive to Decreased PaO2 (less than 60 mmHg) Increased PaCO2 Decreased pH (acidosis) 3. Changes in pH must be as large 4. When the Central Chemoreceptors do not respond 5. CO2 retainer II. ...
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 ...
The Autonomic Nervous System
... Phenoxybenzamine (Beta receptor blocker), while Dihydroergotamine is B1 and B2 blocker. ...
... Phenoxybenzamine (Beta receptor blocker), while Dihydroergotamine is B1 and B2 blocker. ...
CHAPTER 4 How do neurons transmit information?
... Negative pole: more electrons Positive pole: fewer electrons Current: Flow of electrons from an area of higher charge (more electrons = negative pole) to an area of lower charge (fewer electrons = positive pole) Electrical potential: difference in electrical charge between negative and positive pole ...
... Negative pole: more electrons Positive pole: fewer electrons Current: Flow of electrons from an area of higher charge (more electrons = negative pole) to an area of lower charge (fewer electrons = positive pole) Electrical potential: difference in electrical charge between negative and positive pole ...
Differential effects of 10-Hz and 40
... separate attention systems with somewhat different time courses and effects on behavior and neural activity. While these EEG and MEG studies have provided insight into the links between neural activity and behavior, the evidence obtained using these methods is ultimately only correlational. Demonstr ...
... separate attention systems with somewhat different time courses and effects on behavior and neural activity. While these EEG and MEG studies have provided insight into the links between neural activity and behavior, the evidence obtained using these methods is ultimately only correlational. Demonstr ...
Beneficial effect of repetitive transcranial magnetic stimulation
... A recent meta-analysis of publications dealing with the effects of repetitive transcranial magnetic stimulation (rTMS) on cognitive functions (Guse et al. 2010) found convincing data supporting improvement in some cognitive functions (including executive, learning, memory and attention). Transcrania ...
... A recent meta-analysis of publications dealing with the effects of repetitive transcranial magnetic stimulation (rTMS) on cognitive functions (Guse et al. 2010) found convincing data supporting improvement in some cognitive functions (including executive, learning, memory and attention). Transcrania ...
Direct and Indirect Activation of Cortical Neurons by Electrical
... subcortical fibers. Two groups have studied the currentspread properties of electrical stimulation within neocortex using behavioral methods. Murasugi et al. (1993) studied such properties in extrastriate area MT (middle temporal cortex) and Tehovnik et al. (2004, 2005b) conducted current-spread stu ...
... subcortical fibers. Two groups have studied the currentspread properties of electrical stimulation within neocortex using behavioral methods. Murasugi et al. (1993) studied such properties in extrastriate area MT (middle temporal cortex) and Tehovnik et al. (2004, 2005b) conducted current-spread stu ...
Somatic therapies for treatment-resistant depression: ECT, TMS, VNS, DBS Open Access
... MDD who had not benefited from prior treatments. Subjects were randomly assigned to either active (n = 155) or sham TMS (n = 146) conditions [21]. The study found that active TMS was significantly superior to sham TMS at weeks 4 and 6, and its results were the basis for the Food and Drug Administrat ...
... MDD who had not benefited from prior treatments. Subjects were randomly assigned to either active (n = 155) or sham TMS (n = 146) conditions [21]. The study found that active TMS was significantly superior to sham TMS at weeks 4 and 6, and its results were the basis for the Food and Drug Administrat ...
Deep transcranial magnetic stimulation over the prefrontal cortex
... magnitude above the threshold for neuronal activation (set to 100 V/m). All coils were similar in stimulation parameters, yet differed in laterality: The H1-coil stimulates the PFC bilaterally, but gives distinct preferential stimulation to the deep layers of the left PFC. The H2-coil stimulates the ...
... magnitude above the threshold for neuronal activation (set to 100 V/m). All coils were similar in stimulation parameters, yet differed in laterality: The H1-coil stimulates the PFC bilaterally, but gives distinct preferential stimulation to the deep layers of the left PFC. The H2-coil stimulates the ...
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... tions in the conditioned map. It should be noted that the decrease in low frequency responses is not a consistent finding. In other examples, the low-frequency responses appeared unaltered and the representation of higher frequencies was decreased. Because the tone paired with NB stimulation was wel ...
... tions in the conditioned map. It should be noted that the decrease in low frequency responses is not a consistent finding. In other examples, the low-frequency responses appeared unaltered and the representation of higher frequencies was decreased. Because the tone paired with NB stimulation was wel ...
The New ACLS Guidelines
... • Currently at least 3 ongoing NIH trials • 10 to 20 patients per study ...
... • Currently at least 3 ongoing NIH trials • 10 to 20 patients per study ...
Effect of deep brain stimulation on substantia nigra neurons in a
... 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 an effective treatment for PD. Recent clinical observations have shown that STN-DBS was able to delay early PD progres ...
... 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 an effective treatment for PD. Recent clinical observations have shown that STN-DBS was able to delay early PD progres ...
ELECTRIC CURRENTS
... can depolarise- less than 80 microseconds • Motor nerves : high current amplitude/intensity and longer pulse duration cad depolarise- 150- 300 microseconds • Pain transmitting C –fibres: higher current intensity and longer pulse duration- 10 milliseconds and over ...
... can depolarise- less than 80 microseconds • Motor nerves : high current amplitude/intensity and longer pulse duration cad depolarise- 150- 300 microseconds • Pain transmitting C –fibres: higher current intensity and longer pulse duration- 10 milliseconds and over ...