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https://www.readbyqxmd.com/read/28104255/nmosd-triggered-by-yellow-fever-vaccination-an-unusual-clinical-presentation-with-segmental-painful-erythema
#1
F Schöberl, E Csanadi, O Eren, M Dieterich, T Kümpfel
Neuromyelitis Optica Spectrum Disorder (NMOSD) is an immune-mediated disease of the central nervous system with the presence of aquaporin 4-antibodies (AQP4-abs) in most cases. We describe a patient who developed NMOSD after a yellow fever vaccination. He presented to us with an unusual painful erythema Th7-9 triggered by touch in the respective skin area due to a cervical spinal cord lesion affecting the dorsolateral parts of C6/7. To our knowledge, this is the first case of NMOSD with such a clinical presentation expanding the clinical spectrum of NMOSD...
January 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28092413/disruption-of-right-posterior-parietal-cortex-by-ctbs-alters-the-control-of-body-balance-in-quiet-stance
#2
David Kaulmann, Joachim Hermsdörfer, Leif Johannsen
Control of body balance relies on the integration of multiple sensory modalities. Lightly touching an earth-fixed reference augments the control of body sway. We aimed to advance the understanding of cortical integration of an afferent signal from light fingertip contact (LT) for the stabilisation of standing body balance. Assuming that right-hemisphere Posterior Parietal Cortex (rPPC) is involved in the integration and processing of touch for postural control, we expected that disrupting rPPC would attenuate any effects of light touch...
January 16, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28089714/effects-of-touch-on-emotional-face-processing-a-study-of-event-related-potentials-facial-emg-and-cardiac-activity
#3
M M Spapé, Harjunen, N Ravaja
Being touched is known to affect emotion, and even a casual touch can elicit positive feelings and affinity. Psychophysiological studies have recently shown that tactile primes affect visual evoked potentials to emotional stimuli, suggesting altered affective stimulus processing. As, however, these studies approached emotion from a purely unidimensional perspective, it remains unclear whether touch biases emotional evaluation or a more general feature such as salience. Here, we investigated how simple tactile primes modulate event related potentials (ERPs), facial EMG and cardiac response to pictures of facial expressions of emotion...
January 12, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28080971/interoceptive-dimensions-across-cardiac-and-respiratory-axes
#4
Sarah N Garfinkel, Miranda F Manassei, Giles Hamilton-Fletcher, Yvo In den Bosch, Hugo D Critchley, Miriam Engels
Interoception refers to the sensing of signals concerning the internal state of the body. Individual differences in interoceptive sensitivity are proposed to account for differences in affective processing, including the expression of anxiety. The majority of investigations of interoceptive accuracy focus on cardiac signals, typically using heartbeat detection tests and self-report measures. Consequently, little is known about how different organ-specific axes of interoception relate to each other or to symptoms of anxiety...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28080967/affective-touch-and-attachment-style-modulate-pain-a-laser-evoked-potentials-study
#5
Charlotte Krahé, Marianne M Drabek, Yannis Paloyelis, Aikaterini Fotopoulou
Affective touch and cutaneous pain are two sub-modalities of interoception with contrasting affective qualities (pleasantness/unpleasantness) and social meanings (care/harm), yet their direct relationship has not been investigated. In 50 women, taking into account individual attachment styles, we assessed the role of affective touch and particularly the contribution of the C tactile (CT) system in subjective and electrophysiological responses to noxious skin stimulation, namely N1 and N2-P2 laser-evoked potentials...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28080961/interoception-beyond-homeostasis-affect-cognition-and-mental-health
#6
Manos Tsakiris, Hugo Critchley
Interoception refers to the sensing of the internal state of one's body. Interoception is distinct from the processing of sensory information concerning external (non-self) stimuli (e.g. vision, hearing, touch and smell) and is the afferent axis to internal (autonomic and hormonal) physiological control. However, the impact of interoception extends beyond homeostatic/allostatic reflexes: it is proposed to be fundamental to motivation, emotion (affective feelings and behaviours), social cognition and self-awareness...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28079157/feeling-touched-emotional-modulation-of-somatosensory-potentials-to-interpersonal-touch
#7
N Ravaja, V Harjunen, I Ahmed, G Jacucci, M M Spapé
Although the previous studies have shown that an emotional context may alter touch processing, it is not clear how visual contextual information modulates the sensory signals, and at what levels does this modulation take place. Therefore, we investigated how a toucher's emotional expressions (anger, happiness, fear, and sadness) modulate touchee's somatosensory-evoked potentials (SEPs) in different temporal ranges. Participants were presented with tactile stimulation appearing to originate from expressive characters in virtual reality...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28076964/trigeminal-neuralgia-diagnosis-and-treatment
#8
Stine Maarbjerg, Giulia Di Stefano, Lars Bendtsen, Giorgio Cruccu
Introduction Trigeminal neuralgia (TN) is characterized by touch-evoked unilateral brief shock-like paroxysmal pain in one or more divisions of the trigeminal nerve. In addition to the paroxysmal pain, some patients also have continuous pain. TN is divided into classical TN (CTN) and secondary TN (STN). Etiology and pathophysiology Demyelination of primary sensory trigeminal afferents in the root entry zone is the predominant pathophysiological mechanism. Most likely, demyelination paves the way for generation of ectopic impulses and ephaptic crosstalk...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28063583/analysis-of-fingerprint-samples-testing-various-conditions-for-forensic-dna-identification
#9
Lana Ostojic, Elisa Wurmbach
Fingerprints can be of tremendous value for forensic biology, since they can be collected from a wide variety of evident types, such as handles of weapons, tools collected in criminal cases, and objects with no apparent staining. DNA obtained from fingerprints varies greatly in quality and quantity, which ultimately affects the quality of the resulting STR profiles. Additional difficulties can arise when fingerprint samples show mixed STR profiles due to the handling of multiple persons. After applying a tested protocol for sample collection (swabbing with 5% Triton X-100), DNA extraction (using an enzyme that works at elevated temperatures), and PCR amplification (AmpFlSTR® Identifiler® using 31cycles) extensive analysis was performed to better understand the challenges inherent to fingerprint samples, with the ultimate goal of developing valuable profiles (≥50% complete)...
January 2017: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/28052452/oxytocin-response-to-youth-mother-interactions-in-clinically-anxious-youth-is-associated-with-separation-anxiety-and-dyadic-behavior
#10
Eli R Lebowitz, Wendy K Silverman, Alyssa M Martino, Orna Zagoory-Sharon, Ruth Feldman, James F Leckman
BACKGROUND: Anxiety disorders are common in youth and cause significant distress and impairment to the individual and family. Oxytocin (OT), a nine amino acid peptide, is implicated in anxiety regulation and modulation of close interpersonal and attachment behavior. Anxiety disorders have been linked to low levels of salivary OT in youth. Research has also linked oxytocinergic functioning to social support, warm contact, and bonding, and indicated that contact with attachment figures stimulates OT response...
January 3, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28052213/children-s-responses-to-sensory-stimuli-and-their-behavior-in-the-dental-office
#11
Sagit Nissan, Aviva Yochman, Sigalit Blumer, Johnny Kharouba, Benjamin Peretz
OBJECTIVES: To evaluate children's behavior during dental examinations, their reactions to various selected sensory stimuli and the association between them. STUDY DESIGN: Sixty-three children (28 boys and 35 girls) aged 5-12 years (mean age 7.9 ± 1.6 years) participated in the study. Their parents were asked to complete a questionnaire while in the dentist's waiting room. The dentists evaluated the children's behavior in the dental office using Frankl's behavioral scale and noted the children's reactions to the sensory stimuli of touch, noise, smell and backward tilting of the examination chair...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28046020/response-to-infant-cry-in-clinically-depressed-and-non-depressed-mothers
#12
Gianluca Esposito, Nanmathi Manian, Anna Truzzi, Marc H Bornstein
BACKGROUND: Bowlby and Ainsworth hypothesized that maternal responsiveness is displayed in the context of infant distress. Depressed mothers are less responsive to infant distress vocalizations (cry) than non-depressed mothers. The present study focuses on acoustical components of infant cry that give rise to responsive caregiving in clinically depressed (n = 30) compared with non-depressed mothers (n = 30) in the natural setting of the home. METHODS: Analyses of infant and mother behaviors followed three paths: (1) tests of group differences in acoustic characteristics of infant cry, (2) tests of group differences of mothers' behaviors during their infant's crying, and (3) tree-based modeling to ascertain which variable(s) best predict maternal behaviors during infant cry...
2017: PloS One
https://www.readbyqxmd.com/read/28025092/sex-and-the-stimulus-movement-effect-differences-in-acquisition-of-autoshaped-responding-in-cynomolgus-monkeys
#13
Nathaniel C Rice, Jennifer R Makar, Todd M Myers
The stimulus-movement effect refers to the phenomenon in which stimulus discrimination or acquisition of a response is facilitated by moving stimuli as opposed to stationary stimuli. The effect has been found in monkeys, rats, and humans, but the experiments conducted did not provide adequate female representation to investigate potential sex differences. The current experiment analyzed acquisition of stimulus touching in a progressive series of classical conditioning procedures in cynomolgus monkeys (Macaca fascicularis) as a function of sex and stimulus movement...
December 23, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/27957647/dosimetry-in-micro-computed-tomography-a-review-of-the-measurement-methods-impacts-and-characterization-of-the-quantum-gx-imaging-system
#14
Jeffrey A Meganck, Bob Liu
PURPOSE: X-ray micro-computed tomography (μCT) is a widely used imaging modality in preclinical research with applications in many areas including orthopedics, pulmonology, oncology, cardiology, and infectious disease. X-rays are a form of ionizing radiation and, therefore, can potentially induce damage and cause detrimental effects. Previous reviews have touched on these effects but have not comprehensively covered the possible implications on study results. Furthermore, interpreting data across these studies is difficult because there is no widely accepted dose characterization methodology for preclinical μCT...
December 12, 2016: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/27933729/corrigendum-to-morrison-2016-ale-meta-analysis-reveals-dissociable-networks-for-affective-and-discriminative-aspects-of-touch
#15
(no author information available yet)
No abstract text is available yet for this article.
January 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/27925644/evaluation-of-renal-parenchyma-elasticity-with-acoustic-radiation-force-impulse-quantification-in-nutcracker-syndrome-and-comparisons-with-grayscale-doppler-sonography-and-laboratory-findings
#16
Tumay Bekci, Meltem Ceyhan Bilgici, Gurkan Genc, Demet Tekcan, Ahmet Veysel Polat, Leman Tomak
OBJECTIVES: We sought to evaluate renal parenchymal elasticity with Virtual Touch quantification of acoustic radiation force impulse imaging in nutcracker syndrome and to compare shear-wave velocity (SWV) values with grayscale Doppler sonography and laboratory findings. METHODS: Thirty-eight healthy volunteers and forty-three nutcracker syndrome patients were enrolled in this prospective study. SWV values for both kidneys in nutcracker syndrome patients and healthy volunteers were evaluated...
January 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27925607/therapeutic-touch-in-the-management-of-responsive-behavior-in-patients-with-dementia
#17
Ananthavalli Kumarappah, Helen Senderovich
Patients with dementia experience various behavioral symptoms in the course of their illnesses, which greatly affect their quality of life. Current treatment modalities are not always effective, and, thus, nonpharmacological approaches are the preferred first-line therapy for managing such symptoms. They generally address the basic needs of the person with dementia and provide humane care, often producing noticeable improvements in symptoms. Thus, such therapies should precede pharmacological interventions...
October 2016: Advances in Mind-body Medicine
https://www.readbyqxmd.com/read/27918416/a-touch-sensing-technique-using-the-effects-of-extremely-low-frequency-fields-on-the-human-body
#18
Hatem Elfekey, Hany Ayad Bastawrous, Shogo Okamoto
Touch sensing is a fundamental approach in human-to-machine interfaces, and is currently under widespread use. Many current applications use active touch sensing technologies. Passive touch sensing technologies are, however, more adequate to implement low power or energy harvesting touch sensing interfaces. This paper presents a passive touch sensing technique based on the fact that the human body is affected by the surrounding extremely low frequency (ELF) electromagnetic fields, such as those of AC power lines...
December 2, 2016: Sensors
https://www.readbyqxmd.com/read/27916241/no-touch-saphenous-vein-harvesting-may-improve-further-the-patency-of-saphenous-vein-composite-grafts-early-outcomes-and-1-year-angiographic-results
#19
Yong Han Kim, Hong Chul Oh, Jae Woong Choi, Ho Young Hwang, Ki-Bong Kim
BACKGROUND: Harvesting technique and surgical strategy may affect patency rates of saphenous vein (SV) grafts in coronary artery bypass graft surgery (CABG). We evaluated early clinical outcomes and 1-year graft patency rates of SV grafts that were harvested with a no-touch technique and used as composite grafts. METHODS: Three hundred sixty-eight patients who underwent off-pump CABG using SV composite grafts based on the left internal thoracic artery were studied...
December 1, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27915070/vicarious-ratings-of-social-touch-reflect-the-anatomical-distribution-velocity-tuning-of-c-tactile-afferents-a-hedonic-homunculus
#20
Susannah C Walker, Paula D Trotter, Andy Woods, Francis McGlone
A subclass of C-fibres, C-tactile afferents (CTs), have been discovered which respond preferentially to low force/velocity stroking touch, that is typically perceived as pleasant. Molecular genetic visualization of these low-threshold mechanosensitive C-fibres (CLTMs) in mice revealed a denser distribution in dorsal than ventral thoracic sites, scattered distal limb innervation and a complete absence from glabrous paw skin (Liu et al., 2007). Here we used third-party ratings to examine whether affective responses to social touch reflect the anatomical distribution and velocity tuning of CTs...
November 30, 2016: Behavioural Brain Research
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