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Sympathetic skin response

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https://www.readbyqxmd.com/read/28198211/both-n-methyl-d-aspartate-and-non-n-methyl-d-aspartate-glutamate-receptors-in-the-bed-nucleus-of-the-stria-terminalis-modulate-the-cardiovascular-responses-to-acute-restraint-stress-in-rats
#1
Mariane B Adami, Lucas Barretto-de-Souza, Josiane O Duarte, Jeferson Almeida, Carlos C Crestani
The bed nucleus of the stria terminalis (BNST) is a forebrain structure that has been implicated on cardiovascular responses evoked by emotional stress. However, the local neurochemical mechanisms mediating the BNST control of stress responses are not fully described. In our study we investigated the involvement of glutamatergic neurotransmission within the BNST in cardiovascular changes evoked by acute restraint stress in rats. For this study, we investigated the effects of bilateral microinjections of selective antagonists of either N-methyl-D-aspartate (NMDA) or non-NMDA glutamate receptors into the BNST on the arterial pressure and heart rate increase and the decrease in tail skin temperature induced by acute restraint stress...
February 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28188383/attenuating-physiological-arousal-through-the-manipulation-of-simple-hand-movements
#2
Shaun S Stearns, Raymond Fleming, Lindsay J Fero
The current study tests whether manipulating simple motor movements can regulate one's physiological reactivity to negative images. Healthy college age participants were randomly assigned to no tapping, steady tapping, or slow tapping conditions and viewed two sets of 15 negative images from the international affective picture system. Participants viewed the first image set without manipulation. During the second image set, they were instructed to tap at a steady pace, a slow pace or not at all. Steady tapping suppressed the vagal component of the cardiovascular defense response, and produced a significant increase in respiration rate and skin conductance level (SCL)...
February 10, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28181926/autonomic-nervous-system-function-after-a-skin-to-skin-contact-intervention-in-infants-with-congenital-heart-disease
#3
Tondi M Harrison, Roger Brown
BACKGROUND: Infants with complex congenital heart disease (CCHD) demonstrate impaired autonomic nervous system (ANS) regulation, which may contribute to commonly observed impairments in feeding, growth, and development. Close mother-infant physical contact improves ANS function in other high-risk infant populations. OBJECTIVE: Our purposes were to examine feasibility of a 2-week daily skin-to-skin contact (SSC) intervention and to describe change in ANS function in response to the intervention...
February 9, 2017: Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28167189/neurophysiological-and-clinical-effects-of-dry-needling-in-patients-with-upper-trapezius-myofascial-trigger-points
#4
Maryam Abbaszadeh-Amirdehi, Noureddin Nakhostin Ansari, Soofia Naghdi, Gholamreza Olyaei, Mohammad Reza Nourbakhsh
INTRODUCTION: Dry needling (DN) is a widely used in treatment of myofascial trigger points (MTrPs). The purpose of this pretest-posttest clinical trial was to investigate the neurophysiological and clinical effects of DN in patients with MTrPs. METHODS: A sample of 20 patients (3 man, 17 women; mean age 31.7 ± 10.8) with upper trapezius MTrPs received one session of deep DN. The outcomes of neuromuscular junction response (NMJR), sympathetic skin response (SSR), pain intensity (PI) and pressure pain threshold (PPT) were measured at baseline and immediately after DN...
January 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28126832/effect-of-%C3%AE-agonist-on-the-dexamethasone-induced-expression-of-aromatase-by-the-human-monocyte-cells
#5
Masatada Watanabe, Shuji Ohno, Hiroshi Wachi
Emerging evidence suggests that sex steroids are important for human skin health. In particular, estrogen improves skin thickness, elasticity, and moisture of older women. The major source of circulating estrogen is the ovary; however, local estrogen synthesis and secretion have important roles in, for example, bone metabolism and breast cancer development. We hypothesized that infiltrated peripheral monocytes are one of the sources of estrogen in skin tissues. We also hypothesized that, during atopic dermatitis under stress, a decline in the hypothalamus-pituitary-adrenal axis (HPA) and facilitation of the (hypothalamus)-sympathetic-adrenomedullary system (SAM) attenuates estrogen secretion from monocytes...
January 26, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28118275/efficacy-of-stellate-ganglion-blockade-applied-with-light-irradiation-a-systemic-review-and-meta-analysis
#6
Chun-De Liao, Jau-Yih Tsauo, Hung-Chou Chen, Tsan-Hon Liou
OBJECTIVE: Stellate ganglion block has mostly been used to relieve symptoms of neuropathic pain; several potential complications have been reported. Noninvasive stellate ganglion block application using light irradiation (SG-LI) can be used as an alternative to conventional injection blockades. Based on the variety of application protocols among previous studies, it was needed to further identify the clinical efficacy of SG-LI in managing neuropathic pain or other disorders associated with sympathetic hyperactivity...
January 23, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28114399/relaxation-induced-by-vibroacoustic-stimulation-via-a-body-monochord-and-via-relaxation-music-is-associated-with-a-decrease-in-tonic-electrodermal-activity-and-an-increase-of-the-salivary-cortisol-level-in-patients-with-psychosomatic-disorders
#7
Hubertus Sandler, Uta Fendel, Petra Buße, Matthias Rose, Rainer Bösel, Burghard F Klapp
Vibroacoustic stimulation by a Body Monochord can induce relaxation states of various emotional valence. The skin conductance level (SCL) of the tonic electrodermal activity is an indicator of sympathetic arousal of the autonomic nervous system and thus an indicator of the relaxation response. Salivary cortisol is considered to be a stress indicator of the HPA-axis. The effects of the treatment with a Body Monochord and listening to relaxation music (randomized chronological presentation) on SCL and salivary cortisol in relation to the emotional valence of the experience were examined in patients with psychosomatic disorders (N = 42)...
2017: PloS One
https://www.readbyqxmd.com/read/28077329/body-schema-plasticity-after-stroke-subjective-and-neurophysiological-correlates-of-the-rubber-hand-illusion
#8
Roberto Llorens, Adrián Borrego, Priscila Palomo, Ausiàs Cebolla, Enrique Noé, Sergi Bermúdez I Badia, Rosa Baños
Stroke can lead to motor impairments that can affect the body structure and restraint mobility. We hypothesize that brain lesions and their motor sequelae can distort the body schema, a sensorimotor map of body parts and elements in the peripersonal space through which human beings embody the reachable space and ready the body for forthcoming movements. Two main constructs have been identified in the embodiment mechanism: body-ownership, the sense that the body that one inhabits is his/her own, and agency, the sense that one can move and control his/her body...
February 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28065363/relationship-between-amyloid-precursor-protein-in-seminal-plasma-and-abnormal-penile-sympathetic-skin-response-in-lifelong-premature-ejaculation
#9
Zhiwei Hong, Yuming Feng, Hualong Ding, Xuechun Hu, Jin-Chun Lu, Xie Ge, Yifeng Ge, Bing Yao
INTRODUCTION: Hyperactivity of the sympathetic nervous system can play an important role in lifelong premature ejaculation (PE). Our previous study found that amyloid precursor protein (APP) levels in seminal plasma of patients with PE were clearly increased. Amyloid-β (Aβ) is derived from APP. Excessive Aβ, especially Aβ42, can cause neuronal dysfunction. AIM: To determine whether APP and Aβ42 are associated with an abnormal penile sympathetic skin response (PSSR)...
January 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28043810/renal-sympathetic-nerve-blood-flow-and-epithelial-transport-responses-to-thermal-stress
#10
REVIEW
Thad E Wilson
Thermal stress is a profound sympathetic stress in humans; kidney responses involve altered renal sympathetic nerve activity (RSNA), renal blood flow, and renal epithelial transport. During mild cold stress, RSNA spectral power but not total activity is altered, renal blood flow is maintained or decreased, and epithelial transport is altered consistent with a sympathetic stress coupled with central volume loaded state. Hypothermia decreases RSNA, renal blood flow, and epithelial transport. During mild heat stress, RSNA is increased, renal blood flow is decreased, and epithelial transport is increased consistent with a sympathetic stress coupled with a central volume unloaded state...
December 24, 2016: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28025409/a-case-of-acute-autonomic-and-sensory-neuropathy-aasn-with-antibody-against-a-mixture-of-galactocerebroside-and-phospholipids
#11
Teruyuki Ishikura, Kazushiro Takata, Makoto Kinoshita, Kei Fukada, Jinichi Sawada, Takanori Hazama
A 62-year-old woman presented with paresthesia of limbs, gait disturbance, urinary retention and constipation following upper respiratory infection. Neurological examination revealed gait disturbance due to loss of position sense in her extremities with intact muscle power, and autonomic failure represented by orthostatic hypotension, constipation and autonomic bladder. Cerebrospinal fluid analysis showed normal cell counts with elevated protein levels. Nerve conduction study showed sensory nerve impairment with almost normal motor nerve conduction in her upper and lower extremities...
December 23, 2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28004201/autonomic-disturbances-including-impaired-hand-thermoregulation-in-multiple-system-atrophy-and-parkinson-s-disease
#12
Sarunas Augustis, Viktoras Saferis, Wolfgang H Jost
Autonomic dysfunction in multiple system atrophy (MSA) comprises cardinal symptoms of orthostatic hypotension (OH) and urinary incontinence. Additionally, cardiovagal and sudomotor abnormalities can be present. Previous studies compared hand skin temperature and its response to cooling in subjects with probable MSA and Parkinson's disease (PD). Significant differences were found indicating that disturbed thermoregulation belongs to MSA autonomic features and could be helpful in differentiation of MSA from PD...
December 21, 2016: Journal of Neural Transmission
https://www.readbyqxmd.com/read/27991182/salience-network-connectivity-modulates-skin-conductance-responses-in-predicting-arousal-experience
#13
Chenjie Xia, Alexandra Touroutoglou, Karen S Quigley, Lisa Feldman Barrett, Bradford C Dickerson
Individual differences in arousal experience have been linked to differences in resting-state salience network connectivity strength. In this study, we investigated how adding task-related skin conductance responses (SCR), a measure of sympathetic autonomic nervous system activity, can predict additional variance in arousal experience. Thirty-nine young adults rated their subjective experience of arousal to emotionally evocative images while SCRs were measured. They also underwent a separate resting-state fMRI scan...
December 19, 2016: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/27938934/medial-approach-of-ultrasound-guided-costoclavicular-plexus-block-and-its-effects-on-regional-perfussion
#14
D Nieuwveld, V Mojica, A E Herrera, J Pomés, A Prats, X Sala-Blanch
INTRODUCTION: Ultrasound-guided infraclavicular block in the costoclavicular space located between the clavicle and the first rib, reaches the secondary trunks when they are clustered together and lateral to the axillary artery. This block is most often performed through a lateral approach, the difficulty being finding the coracoid process an obstacle and guiding the needle towards the vessels and pleura. A medial approach, meaning from inside to outside, will avoid these structures. Traditionally the assessment of a successful block is through motor or sensitive responses but a sympathetic fibre block can also be evaluated measuring the changes in humeral artery blood flow, skin temperature and/or perfusion index...
December 8, 2016: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/27932205/cold-induced-sympathetic-tone-modifies-the-impact-of-endothelium-dependent-vasodilation-in-the-finger-pulp
#15
Tone Kristin Bergersen, Maria Skytioti, Maja Elstad
OBJECTIVE: In thermoneutral and cold subjects, the sympathetic nervous system regulates skin blood flow by adjusting frequency of the tonic vasoconstrictor impulses. However, the way these thermoregulatory impulses influence the vascular endothelium is not well known. We studied how the sympathetic nervous system influences endothelium-dependent vasodilation (EDV) caused by shear stress in skin containing arteriovenous anastomoses (AVAs) and arterioles in healthy subjects. METHODS: Thirteen healthy subjects were exposed to thermoneutral (29°C) and cold (22°C) ambient temperatures on separate days...
November 30, 2016: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/27913968/post-ganglionic-autonomic-neuropathy-associated-with-anti-glutamic-acid-decarboxylase-antibodies
#16
E Fileccia, R Rinaldi, R Liguori, A Incensi, R D'Angelo, M P Giannoccaro, V Donadio
PURPOSE: Antibodies to glutamic acid decarboxylase (GAD-Abs) have been associated with several conditions, rarely involving the autonomic nervous system. Here, we describe two patients complaining of autonomic symptoms in whom a post-ganglionic autonomic neuropathy has been demonstrated in association with significantly elevated serum and CSF GAD-Abs levels. METHODS: Patients underwent nerve conduction studies, sympathetic skin response testing, evaluation of autonomic control of the cardiovascular system and skin biopsy...
December 2, 2016: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/27911393/a-detailed-protocol-for-perspiration-monitoring-using-a-novel-small-wireless-device
#17
Kazuhiro Ogai, Masakazu Fukuoka, Kei-Ichiro Kitamura, Kiyoshi Uchide, Tetsu Nemoto
Perspiration monitoring can be utilized for the detection of certain diseases, such as thermoregulation and mental disorders, particularly when the patients are unaware of such disorders or are having difficulty expressing their symptoms. Until now, several devices for perspiration monitoring have been developed; however, such devices tend to have a relatively large exterior, considerable power consumption, and/or less sensitivity. Recently, we developed a small, wireless device for perspiration monitoring...
November 24, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27899087/paradoxical-physiological-responses-to-propranolol-in-a-rett-syndrome-patient-a-case-report
#18
P J Santosh, L Bell, K Lievesley, J Singh, F Fiori
BACKGROUND: Rett Syndrome (RTT), caused by a loss-of-function in the epigenetic modulator: X-linked methyl-CpG binding protein 2 (MeCP2), is a pervasive neurological disorder characterized by compromised brain functions, anxiety, severe mental retardation, language and learning disabilities, repetitive stereotyped hand movements and developmental regression. An imbalance in the sympathetic and the parasympathetic nervous system (dysautonomia) and the resulting autonomic storms is a frequent occurrence in patients with RTT...
November 29, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27891612/neurovascular-mechanisms-underlying-augmented-cold-induced-reflex-cutaneous-vasoconstriction-in-human-hypertension
#19
Jody L Greaney, W Larry Kenney, Lacy M Alexander
KEY POINTS: In hypertensive adults (HTN), cardiovascular risk increases disproportionately during environmental cold exposure. Despite ample evidence of dysregulated sympathetic control of the peripheral vasculature in hypertension, no studies have examined integrated neurovascular function during cold stress in HTN. The findings of the present study show that whole-body cold stress elicits greater increases in sympathetic outflow directed to the cutaneous vasculature and, correspondingly, greater reductions in skin blood flow in HTN...
November 28, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27888495/an-unusual-presentation-of-intraocular-tuberculosis-in-a-monocular-patient-clinicopathological-correlation
#20
Kanika Aggarwal, Aniruddha Agarwal, Shobha Sehgal, Suryaprakash Sharma, Nirbhai Singh, Kusum Sharma, Ramanuj Samanta, Alessandro Invernizzi, Aman Sharma, Vishali Gupta
BACKGROUND: Lack of uniform diagnostic criteria often poses a challenge in the diagnosis and management of tubercular uveitis. The index case describes an unusual presentation of tubercular panuveitis initially misdiagnosed as sympathetic ophthalmia, where the appropriate diagnosis was made using various imaging and laboratory investigations. RESULTS: A 52-year-old Indian woman underwent multimodal imaging, extensive clinical and laboratory work-up, and analysis of microbiological and histopathological specimens...
December 2016: Journal of Ophthalmic Inflammation and Infection
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