Pathogenesis of axonal and neuronal damage in multiple sclerosis
... for a long time after proximal fiber transection. Histologically, such remaining myelin sheaths may appear as empty tubes or as degenerating ovoids.25 In NAWM from MS brains, discontinuous staining of axon neurofilaments and the presence of terminal axonal ovoids suggestive of Wallerian degeneration ...
... for a long time after proximal fiber transection. Histologically, such remaining myelin sheaths may appear as empty tubes or as degenerating ovoids.25 In NAWM from MS brains, discontinuous staining of axon neurofilaments and the presence of terminal axonal ovoids suggestive of Wallerian degeneration ...
An Unusual Etiology for NeurodevelopmentalDelay and Epilepsy
... The corpus callosum is a band of approximately 200 million neural fibers that connects the left and right cerebral hemispheres. It begins to develop around the 12th week of gestation and matures through a complex process of neuronal migration and development [1]. By week 20, the corpus callosum can ...
... The corpus callosum is a band of approximately 200 million neural fibers that connects the left and right cerebral hemispheres. It begins to develop around the 12th week of gestation and matures through a complex process of neuronal migration and development [1]. By week 20, the corpus callosum can ...
Focused Neurological Assessment
... The exam and history should be in an orderly, symmetrical fashion. This way, you will be certain that all areas are assessed. Each side of the body should be compared with the other side to detect any abnormalities. When reporting off, it is recommended to perform a brief exam with the oncoming nu ...
... The exam and history should be in an orderly, symmetrical fashion. This way, you will be certain that all areas are assessed. Each side of the body should be compared with the other side to detect any abnormalities. When reporting off, it is recommended to perform a brief exam with the oncoming nu ...
REVIEWARTICLES Pathophysiology of traumatic brain injury
... CT, or 15O2 positron emission CT to assess CBF within a temporal range from ultra-early to late stages after TBI, many investigations have revealed that focal or global cerebral ischaemia occurs frequently.6 13 26 52 Although the total ischaemic brain volume may be less than 10% on average,6 14 69 t ...
... CT, or 15O2 positron emission CT to assess CBF within a temporal range from ultra-early to late stages after TBI, many investigations have revealed that focal or global cerebral ischaemia occurs frequently.6 13 26 52 Although the total ischaemic brain volume may be less than 10% on average,6 14 69 t ...
neural consequences of environmental enrichment
... best observed when tasks were made more challenging38,39. In addition, when tested on a different spatial memory task (a T-maze), enriched rats did better than isolated rats with a running wheel26. So, the degree of learning improvement might be greater following enrichment that includes exercise th ...
... best observed when tasks were made more challenging38,39. In addition, when tested on a different spatial memory task (a T-maze), enriched rats did better than isolated rats with a running wheel26. So, the degree of learning improvement might be greater following enrichment that includes exercise th ...
Brain oxygen tension controls the expansion of outer
... and Pevny, 2011; Kriegstein and Alvarez-Buylla, 2009; Malatesta et al., 2000). The second class of neural progenitor cells, which originate from RGC mitoses, are referred to as Tbr2+ IPs (Tbr2 is also known as Eomes) and form the SVZ (Bulfone et al., 1999; Englund et al., 2005; Gal et al., 2006; Kri ...
... and Pevny, 2011; Kriegstein and Alvarez-Buylla, 2009; Malatesta et al., 2000). The second class of neural progenitor cells, which originate from RGC mitoses, are referred to as Tbr2+ IPs (Tbr2 is also known as Eomes) and form the SVZ (Bulfone et al., 1999; Englund et al., 2005; Gal et al., 2006; Kri ...
Coding of intention in the posterior parietal cortex
... PPC firing reflects the decision of the animal regarding what to do with the stimulus Coding of intention in the posterior parietal cortex – p.9 ...
... PPC firing reflects the decision of the animal regarding what to do with the stimulus Coding of intention in the posterior parietal cortex – p.9 ...
Changes in descending motor pathway connectivity after
... the motor neuron pool (including cells without responses). Statistical comparisons for incidence used Fisher’s exact test. Comparisons for amplitude, and amplitude incidence product, were made using a Monte Carlo resampling method (Press et al., 1989) as follows. For a given muscle group in either ...
... the motor neuron pool (including cells without responses). Statistical comparisons for incidence used Fisher’s exact test. Comparisons for amplitude, and amplitude incidence product, were made using a Monte Carlo resampling method (Press et al., 1989) as follows. For a given muscle group in either ...
DisPONnect
... Biopsy on Brain Glioma Biopsy in children with MR findings of a diffuse intrinsic tumor is controversial and is ...
... Biopsy on Brain Glioma Biopsy in children with MR findings of a diffuse intrinsic tumor is controversial and is ...
Motor and Sensory Dysfunction 2015 3. Motor and Sensory
... functional activities (i.e. meal preparation). The study suggests that functional activities may be slightly more effective than table top activities in promoting fine motor coordination in persons with brain injury. Another study found that visual feedback-based training of grip force is useful for ...
... functional activities (i.e. meal preparation). The study suggests that functional activities may be slightly more effective than table top activities in promoting fine motor coordination in persons with brain injury. Another study found that visual feedback-based training of grip force is useful for ...
new and newer-Dr. Christos Lambrakis
... Vagus Nerve Stimulator • FDA approved in 1997 (Seizures), 2005 (Depression) • Electrical stimulus applied to the Vagus Nerve and has been found to reduce seizure frequency • Typically reserved for patients with difficult to control epilepsy. • Implantation takes 1-2 hours under general anesthesia. ...
... Vagus Nerve Stimulator • FDA approved in 1997 (Seizures), 2005 (Depression) • Electrical stimulus applied to the Vagus Nerve and has been found to reduce seizure frequency • Typically reserved for patients with difficult to control epilepsy. • Implantation takes 1-2 hours under general anesthesia. ...
EMG Blind Spots Disorders of the NMJ
... Sanders DB, Cao L, Massey JM, Juel VC, Hobson-Webb L, Guptill JT. Is the decremental pattern in Lambert-Eaton syndrome different from that in myasthenia gravis? Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology. Jun 2014;125(6):1274-1277. Practic ...
... Sanders DB, Cao L, Massey JM, Juel VC, Hobson-Webb L, Guptill JT. Is the decremental pattern in Lambert-Eaton syndrome different from that in myasthenia gravis? Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology. Jun 2014;125(6):1274-1277. Practic ...
BLOOD SUPPLY OF THE BRAIN
... active organs in the body, receives 17% of the total cardiac output and about 20% of the oxygen available in the body. Two pairs of arteries ...
... active organs in the body, receives 17% of the total cardiac output and about 20% of the oxygen available in the body. Two pairs of arteries ...
BLOOD SUPPLY OF THE BRAIN
... active organs in the body, receives 17% of the total cardiac output and about 20% of the oxygen available in the body. Two pairs of arteries ...
... active organs in the body, receives 17% of the total cardiac output and about 20% of the oxygen available in the body. Two pairs of arteries ...
(addl. 1)
... the relevant world of an organism could simply be described by enough if–then conditions. It could perhaps be argued that artificial intelligence, robotics and even the most advanced computational neuroscience approaches that have been used to model brain function are merely if–then-like conditions ...
... the relevant world of an organism could simply be described by enough if–then conditions. It could perhaps be argued that artificial intelligence, robotics and even the most advanced computational neuroscience approaches that have been used to model brain function are merely if–then-like conditions ...
Development Of Structure And Function In The Infant
... must gather converging data from a variety of sources. The study of mature intact brains provides us with an idea of the endstate that the developing organism must reach. The morphological and physiological correlates of behaviour are much more easily defined and recorded in the adult than in the in ...
... must gather converging data from a variety of sources. The study of mature intact brains provides us with an idea of the endstate that the developing organism must reach. The morphological and physiological correlates of behaviour are much more easily defined and recorded in the adult than in the in ...
The right hemisphere supports but does not replace left hemisphere
... sounds may be greater in aphasic patients than in control subjects (Becker and Reinvang, 2007). However, these studies are limited on several counts: firstly, they were based on sensor-level EEG responses that lacked sufficient spatial detail regarding lesion topography and the hemisphere responsibl ...
... sounds may be greater in aphasic patients than in control subjects (Becker and Reinvang, 2007). However, these studies are limited on several counts: firstly, they were based on sensor-level EEG responses that lacked sufficient spatial detail regarding lesion topography and the hemisphere responsibl ...
Long-term neural recording characteristics of wire microelectrode
... Fig. 6. Average spike waveforms recorded simultaneously on an array. The average discriminated unit waveforms on each channel of the array is shown with the rows and columns of each panel corresponding to the actual electrode position in the array. Panels A, B, and C represent three recording days o ...
... Fig. 6. Average spike waveforms recorded simultaneously on an array. The average discriminated unit waveforms on each channel of the array is shown with the rows and columns of each panel corresponding to the actual electrode position in the array. Panels A, B, and C represent three recording days o ...
Document
... Principles of AED Selection…cont. • Don't use combination medications (e.g., phenytoin with phenobarbital). • No proof that multiple AEDs are synergistic in the treatment of epilepsy. • Polypharmacy is expensive, increases side effects and increases the complexity of adjusting AEDs in the refractor ...
... Principles of AED Selection…cont. • Don't use combination medications (e.g., phenytoin with phenobarbital). • No proof that multiple AEDs are synergistic in the treatment of epilepsy. • Polypharmacy is expensive, increases side effects and increases the complexity of adjusting AEDs in the refractor ...
epilepsy: a case study comparing western and traditional chinese
... seizures lasted from one to ten minutes. Following the seizure she would go to sleep for 48 hours, waking up a few times in order to vomit. The seizures were not regular, however in the summertime and during periods of mental stress they became more frequent. An EEG showed abnormal brain activity. T ...
... seizures lasted from one to ten minutes. Following the seizure she would go to sleep for 48 hours, waking up a few times in order to vomit. The seizures were not regular, however in the summertime and during periods of mental stress they became more frequent. An EEG showed abnormal brain activity. T ...
Full PDF - American Journal of Physiology
... vascularized by other branches of the same pial artery. The mechanisms responsible for this complex and coordinated chain of events have not been completely elucidated, but several factors have emerged. The dilation initiated by active neurons may be propagated retrogradely to pial arterioles throug ...
... vascularized by other branches of the same pial artery. The mechanisms responsible for this complex and coordinated chain of events have not been completely elucidated, but several factors have emerged. The dilation initiated by active neurons may be propagated retrogradely to pial arterioles throug ...
Visual Development in the Human Fetus, Infant
... connects with only one short wavelength bipolar cells. For the brain to recognize a specific color, it must receive simultaneous signals from two or more cones. The cones including the bipolar cone connections to amacrine and ganglion cells do not mature to permit color discrimination until nearly 3 ...
... connects with only one short wavelength bipolar cells. For the brain to recognize a specific color, it must receive simultaneous signals from two or more cones. The cones including the bipolar cone connections to amacrine and ganglion cells do not mature to permit color discrimination until nearly 3 ...
Indexed Keywords
... Spreading depression (SD), a self-propagating depolarization of neurons and glia, is believed to play a role in different neurological disorders including migraine aura and acute brain ischaemia. Initiation and propagation of SD modulate excitability of neuronal network. A brief period of excitation ...
... Spreading depression (SD), a self-propagating depolarization of neurons and glia, is believed to play a role in different neurological disorders including migraine aura and acute brain ischaemia. Initiation and propagation of SD modulate excitability of neuronal network. A brief period of excitation ...
cortical visual impairment definition
... and/or to the side of the child in order to avoid glare and optimize viewing conditions. If the child is having difficulty seeing an object, add movement to it and/or present it in different areas of the child’s visual field. However, be aware that some children with CVI have trouble looking at movi ...
... and/or to the side of the child in order to avoid glare and optimize viewing conditions. If the child is having difficulty seeing an object, add movement to it and/or present it in different areas of the child’s visual field. However, be aware that some children with CVI have trouble looking at movi ...
Anatomy of the Concussion
... incidence of concussions increases. Children develop habits of playing hard rather than for fun, which will continue into adulthood. This would mean that the chances of a concussion occurring have increased greatly from an early age up through adulthood. However, public concern for concussions has s ...
... incidence of concussions increases. Children develop habits of playing hard rather than for fun, which will continue into adulthood. This would mean that the chances of a concussion occurring have increased greatly from an early age up through adulthood. However, public concern for concussions has s ...