Periaqueductal Gray
Volume gain of periaqueductal gray in medication-overuse headache
... Periaqueductal gray (PAG) was an anatomic and func- tional interface between forebrain and brainstem, and PAG was classified into 4 columns with different cyto- architecture and included multiple types of ...
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Altered periaqueductal gray resting state functional connectivity in migraine and the modulation effect of treatment
... Figure 3. Altered resting state-functional connectivity in MwoA patients and the modulation effect of acupuncture treament (verum + sham). (A) Brain regions showed reduced resting state-functional connectivity with the ...
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Fenzl, Thomas (2003): Differentiated roles of the periaqueductal gray and the paralemniscal area on vocalization in the new world bat Phyllostomus discolor. Dissertation, LMU München: Fakultät für Biologie
... central gray around the midbrain aqueduct distinguishing it from the rostrally continuing periventricular gray matter surrounding the third ventricle in the hypothalamus and thalamus and from the caudally ...
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Original Article Motor cortex-periaqueductal gray-rostral ventromedial medulla neuronal circuitry may involve in modulation of nociception by melanocortinergic-opioidergic signaling
... and periaqueductal gray (PAG) was ef- fective management for refractory neuropathic pain, however, our understanding about the neuroanatomical and neurochemical mechanisms of motor cortex and PAG ...
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P/Q-type calcium-channel blockade in the periaqueductal gray facilitates trigeminal nociception: A functional genetic link for migraine?
... The periaqueductal gray (PAG) region of the brainstem modulates craniovascular nociception and, through its role in the descending pain modulation system, may contribute to migraine ...
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Effects of Electrolytic Lesions of the Ventrolateral Periaqueductal Gray and Nucleus Raphe Magnus on Morphine – Induced Antinociception in the Nucleus Cuneiformi
... he importance of rostral ventromedial medulla (RVM) in nociceptive modulation is well doc- umented, and several lines of evidence point to a role for periaqueductal gray (PAG) in regu- lating the activity ...
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Periaqueductal gray matter dysfunction in migraine and chronic daily headache may be due to free radical damage
... Fig. 2 Results of ISODATA segmen- tation and the segmented zones superimposed on the T2 image (enlarged view) are displayed in the top and bottom panels, respectively, on the right. The T2-weighted spin echo image ...
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Nonspecific periaqueductal gray lesions on T2WI in episodic migraine
... periaqueductal gray (PAG) lesions in episodic migraine (EM) patients based on T2 weighted imaging (T2WI). Methods: T2WI images were obtained from 18 EM patients and 18 normal controls (NC) on 3.0 T MR ...
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Disrupted functional connectivity of periaqueductal gray subregions in episodic migraine
... In this study, right vlPAG only presented the decreased functional connectivity with left precentral gyrus (BA6, premotor cortex), and left vlPAG showed the decreased functional connecti[r] ...
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Volume expansion of periaqueductal gray in episodic migraine: a pilot MRI structural imaging study
... ICBM152 gray matter template using MRIcron, and the individual PAG was created by applying the deformation field to the PAG template after structural image ...
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Texture features of periaqueductal gray in the patients with medication-overuse headache
... All MR structural image data were processed using Statistical Parametric Mapping 12 (SPM12) (http:// www.fil.ion.ucl.ac.uk/spm/) running under MATLAB 7.6 (The Mathworks, Natick, MA, USA) to perform seg- ment [40]. The ...
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Midbrain periaqueductal grey modulation of trigeminal nociception: Relationship to migraine
... Li YQ, Takada M, Matsuzaki S, Shinonaga Y, Mizuno N (1993) Identification of Periaqueductal Gray and Dorsal Raphe Nucleus Neurons Projecting to Both the Trigeminal Sensory Complex an[r] ...
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Periaqueductal grey EP3 receptors facilitate spinal nociception in arthritic secondary hypersensitivity
... via a nose cone placed around the snout. Once anesthetized, all animals received antibiotic treatment (1.0 ml/kg subcutaneous Synulox (clavu- lanic acid 35 mg/ml and amoxicillin 140 mg/ml; Pfizer) and preemptive ...
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Detection of Black Hole & Gray Hole in MANET
... S.Ramaswamy et. al. [7] introduced an algorithm to preclude the cooperative black hole attacks in ad hoc network. This algorithm is dependent holding a faith commitment regarding the nodes, so because of this it can't ...
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Black and gray Helmholtz Kerr soliton refraction
... soliton gray- ...and gray soliton refraction) at low angles are verified and these differences are confirmed to decrease as the angle of incidence grows, whereby all solitons undergo approx- imately the ...
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Fast stochastic restoration of gray level images
... The proposed technique is related to simulated annealing but generates candidates more efficiently for gray level images than either the Gibbs sampler or the Metropolis procedure.. Conve[r] ...
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Efficient computation of middle levels Gray codes
... levels Gray code has to visit N := 2n+1 n + 2n+1 n+1 = 2 2n+1 n = 2 Θ(n) many bitstrings in total, and the weight of the bitstrings will alternate between n and n + 1 in every ...levels Gray code for every ...
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Nihilism, cosmetics and audacity : dandyism & Dorian Gray
... Oscar Wilde writes in his novel The Picture of Dorian Gray that dandyism "is an attempt to assert the absolute modernity of beauty" and that fashion is that "by which what is really fant[r] ...
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Gray matter covariance networks in the mouse brain
... of gray matter covariance networks, and generate novel hypothesis about the etiopathological origin of aberrant scMRI findings in human brain diseases (Alexander-Bloch, Giedd et ...scMRI gray matter ...
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QC-MDPC decoders with several shades of gray
... The decoders that are based on Bit-Flipping are not perfect - they can er- roneously flip a bit that is not an error bit. The probability to erroneously flip a “non-error” bit is an increasing function of wt(e)/n and ...
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