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Arousal

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https://www.readbyqxmd.com/read/28922573/diastolic-blood-pressure-rises-with-the-exacerbation-of-obstructive-sleep-apnea-in-males
#1
Wei Hu, Xian Jin, Chengjun Chen, Peng Zhang, Dandan Li, Qian Su, Guizhi Yin, Yanwen Hang
OBJECTIVE: To characterize the association pattern between blood pressure (BP), metabolism changes, and obstructive sleep apnea (OSA) severity within male OSA patients. METHODS: The association between systolic BP (SBP), diastolic BP (DBP), glucose, lipids, apnea-hypopnea index (AHI), oxygen desaturation index (ODI), and arousal index (ArI) was evaluated after adjustment for BMI and waist circumference/hip circumference ratio (WHR) in 1,370 male OSA patients. RESULTS: In the multiple linear regression models using SBP as an independent variable, SBP did not associate with the increase of any OSA indexes...
September 18, 2017: Obesity
https://www.readbyqxmd.com/read/28922392/facial-thermal-variations-a-new-marker-of-emotional-arousal
#2
Vladimir Kosonogov, Lucas De Zorzi, Jacques Honoré, Eduardo S Martínez-Velázquez, Jean-Louis Nandrino, José M Martinez-Selva, Henrique Sequeira
Functional infrared thermal imaging (fITI) is considered a promising method to measure emotional autonomic responses through facial cutaneous thermal variations. However, the facial thermal response to emotions still needs to be investigated within the framework of the dimensional approach to emotions. The main aim of this study was to assess how the facial thermal variations index the emotional arousal and valence dimensions of visual stimuli. Twenty-four participants were presented with three groups of standardized emotional pictures (unpleasant, neutral and pleasant) from the International Affective Picture System...
2017: PloS One
https://www.readbyqxmd.com/read/28921744/cholinergic-basal-forebrain-structures-are-not-essential-for-mediation-of-the-arousing-action-of-glutamate
#3
Zoltán Lelkes, Shamsiiat Abdurakhmanova, Tarja Porkka-Heiskanen
The cholinergic basal forebrain contributes to cortical activation and receives rich innervations from the ascending activating system. It is involved in the mediation of the arousing actions of noradrenaline and histamine. Glutamatergic stimulation in the basal forebrain results in cortical acetylcholine release and suppression of sleep. However, it is not known to what extent the cholinergic versus non-cholinergic basal forebrain projection neurones contribute to the arousing action of glutamate. To clarify this question, we administered N-methyl-D-aspartate (NMDA), a glutamate agonist, into the basal forebrain in intact rats and after destruction of the cholinergic cells in the basal forebrain with 192 immunoglobulin (Ig)G-saporin...
September 18, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28921722/interactive-effects-of-music-tempi-and-intensities-on-grip-strength-and-subjective-affect
#4
Costas I Karageorghis, Peter Cheek, Stuart D Simpson, Marcelo Bigliassi
Pretask music is widely used by athletes albeit there is scant empirical evidence to support its use. The present study extended a line of work into pretask music by examining the interactive effects of music tempo and intensity (volume) on the performance of a simple motor skill and subjective affect. A 2 × 2 within-subjects factorial design was employed with an additional no-music control, the scores from which were used as a covariate. A sample of 52 male athletes (age = 26.1 ± 4.8 years) was exposed to five conditions: fast/loud (126 bpm/80 dBA), fast/quiet (126 bpm/70 dBA), slow/loud (87 bpm/80 dBA), slow/quiet (87 bpm/70 dBA) music, and a no-music control...
September 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28919258/examining-the-time-course-of-genital-and-subjective-sexual-responses-in-women-and-men-with-concurrent-plethysmography-and-thermography
#5
Jackie S Huberman, Samantha J Dawson, Meredith L Chivers
Sexual response is a dynamic process, though there is limited knowledge of the time course and relationships among its psychological and physiological components. To address this gap, we concurrently assessed self-reported sexual arousal, genital temperature (with thermography), and genital vasocongestion (with vaginal photoplethysmography [VPP] or penile plethysmography [PPG]) during sexual and nonsexual films in 28 androphilic women (attracted to men) and 27 gynephilic men (attracted to women). Men and women had similarly strong agreement between subjective and genital responses (sexual concordance) with thermography, but this agreement was stronger in men than women with PPG/VPP...
September 14, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28919257/seizures-by-the-clock-temporal-patterns-of-psychogenic-nonepileptic-seizures
#6
Udaya Seneviratne, Erica Minato, Eldho Paul
We hypothesized that (1) the occurrence of psychogenic nonepileptic seizures (PNES) is modulated by the interaction between the 24-hour clock and the sleep-wake cycle and (2) the pattern of modulation in PNES differs from epileptic seizures (ES). We sought to test our hypotheses in a cohort of patients diagnosed with PNES or ES in the setting of an epilepsy monitoring unit (EMU). We retrospectively reviewed consecutive video-EEG (VEEG) recordings of patients who underwent monitoring at the EMU of a tertiary hospital...
September 11, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28919167/back-off-the-effect-of-emotion-on-backward-step-initiation
#7
Daniëlle Bouman, John F Stins
The distance regulation (DR) hypothesis states that actors are inclined to increase their distance from an unpleasant stimulus. The current study investigated the relation between emotion and its effect on the control of backward step initiation, which constitutes an avoidance-like behavior. Participants stepped backward on a force plate in response to neutral, high-arousing pleasant and high-arousing unpleasant visual emotional stimuli. Gait initiation parameters and the results of an exploratory analysis of postural sway were compared across the emotion categories using significance testing and Bayesian statistics...
September 14, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28918699/effects-of-weapons-on-aggressive-thoughts-angry-feelings-hostile-appraisals-and-aggressive-behavior-a-meta-analytic-review-of-the-weapons-effect-literature
#8
Arlin J Benjamin, Sven Kepes, Brad J Bushman
Guns are associated with aggression. A landmark 1967 study showed that simply seeing a gun can increase aggression-called the "weapons effect." This meta-analysis integrates the findings of weapons effect studies conducted from 1967 to 2017. It includes 162 effect-size estimates from 78 independent studies involving 7,668 participants. The theoretical framework used to explain the weapons effect was the General Aggression Model (GAM), which proposes three routes to aggression-cognitive, affective, and arousal...
September 1, 2017: Personality and Social Psychology Review
https://www.readbyqxmd.com/read/28918418/new-aspects-in-the-pathomechanism-of-diseases-of-civilization-particularly-psychosomatic-disorders-part-1-theoretical-background-of-a-hypothesis
#9
Andras Sikter, Zoltan Rihmer, Roberto de Guevara
The stress defence-cascade is mostly not biphasic as Cannon thought, the sympathicotonic stress response is preceded by a vagotonic phase called freeze response. Alteration of the carbon dioxide level plays an important role during defence-cascade as its changes interfere with stress hormones, e.g. with catecholamines, thus affecting the degree of arousal. In case of humans, learned behaviour dominates instead of instinctive, so the fight-or-flight often lags; the consequence can be persistent hypocapnia or hypercapnia...
June 2017: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28918358/the-role-of-central-and-medial-amygdala-in-normal-and-abnormal-aggression-a-review-of-classical-approaches
#10
REVIEW
Jozsef Haller
The involvement of the amygdala in aggression is supported by overwhelming evidence. Frequently, however, the amygdala is studied as a whole, despite its complex internal organization. To reveal the role of various subdivisions, here we review the involvement of the central and medial amygdala in male rivalry aggression, maternal aggression, predatory aggression, and models of abnormal aggression where violent behavior is associated with increased or decreased arousal. We conclude that: (1) rivalry aggression is controlled by the medial amygdala; (2) predatory aggression is controlled by the central amygdala; (3) hypoarousal-associated violent aggression recruits both nuclei, (4) a specific upregulation of the medial amygdala was observed in hyperarousal-driven aggression...
September 13, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28916796/low-temperature-plasma-promoting-fibroblast-proliferation-by-activating-the-nf-%C3%AE%C2%BAb-pathway-and-increasing-cyclind1-expression
#11
Jin-Ren Liu, Gui-Min Xu, Xing-Min Shi, Guan-Jun Zhang
The potential applications of low temperature plasma (LTP) in wound healing have aroused the concern of many researchers. In this study, an argon atmospheric pressure plasma jet was applied to generate LTP for treatment of murine fibroblast cell (L929) cultured in vitro to investigate the effect of NF-κB pathway on fibroblast proliferation. The results showed that, compared with the control, L929 cells treated with plasma for less than 20 s had significant increases of proliferation; the productions of intracellular ROS, O2(-) and NO increased with prolongation of LTP treatment time; NF-κB pathway was activated by LTP in a proper dose range, and the expression of cyclinD1 in LTP-treated cells increased with the same trend as cell proliferation...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28915907/effect-of-a-mother-s-recorded-voice-on-emergence-from-general-anesthesia-in-pediatric-patients-study-protocol-for-a-randomized-controlled-trial
#12
Seok Young Song, Sang Gyu Kwak, Eugene Kim
BACKGROUND: Emergence delirium is a behavioral disturbance after general anesthesia in children and may distress both the patients and the primary caregivers, such as parents and medical staff, looking after the patients. Various medical and emotional interventions have been investigated to reduce emergence delirium; however, none are completely effective. This trial intends to assess whether the mother's recorded voice can reduce this adverse post-anesthesia event and facilitate arousal from general anesthesia...
September 15, 2017: Trials
https://www.readbyqxmd.com/read/28914723/inducing-somatic-symptoms-in-functional-syndrome-patients-effects-of-manipulating-state-negative-affect
#13
Maaike Van Den Houte, Katleen Bogaerts, Ilse Van Diest, Jozef De Bie, Philippe Persoons, Lukas Van Oudenhove, Omer Van den Bergh
OBJECTIVE: Induction of negative affective states can enhance bodily symptoms in high habitual symptom reporters among healthy persons, and in patients with irritable bowel syndrome. The aim of this study was to replicate this effect in patients with fibromyalgia and chronic fatigue syndrome and to investigate the role of moderators, focusing on alexithymia, negative affectivity (NA) and absorption. METHODS: Patients with fibromyalgia and/or chronic fatigue syndrome (N=81) and healthy controls (HC, N=41) viewed series of neutral, positive and negative affective pictures...
September 13, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28914230/prefrontal-cortical-responses-in-children-with-prenatal-alcohol-related-neurodevelopmental-impairment-a-functional-near-infrared-spectroscopy-study
#14
Julie A Kable, Claire D Coles
OBJECTIVE: Disruption in the neural activation of the prefrontal cortex (PFC) in modulating arousal was explored in children with heavy prenatal alcohol exposure (PAE), who have known neurobehavioral impairment. METHODS: During a task that elicits frustration, functional near-infrared spectroscopy (fNIRS) was used to measure PFC activation, specifically levels of oxygenated (HBO) and deoxygenated (HBR) hemoglobin, in children with PAE (n=18) relative to typically developing Controls (n=12) and a Clinical Contrast group with other neurodevelopmental or behavioral problems (n=14)...
September 2, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28913601/emergency-neurological-life-support-approach-to-the-patient-with-coma
#15
Rhonda S Cadena, Aarti Sarwal
Coma is an acute failure of neuronal systems governing arousal and awareness and represents a medical emergency. When encountering a comatose patient, the clinician must have an organized approach to detect easily remediable causes, prevent ongoing neurologic injury, and determine a hierarchical plan for diagnostic tests, treatments, and neuromonitoring. Coma was chosen as an Emergency Neurological Life Support protocol because timely medical and surgical interventions can be life-saving, and the initial work-up of such patients is critical to establishing a correct diagnosis...
September 14, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28913121/the-impact-of-abdominal-and-laparoscopic-hysterectomies-on-women-s-sexuality-and-psychological-condition
#16
Meryem Kürek Eken, Gülşah İlhan, Osman Temizkan, Evrim Erbek Çelik, Dilşad Herkiloğlu, Ateş Karateke
OBJECTIVE: To investigate whether there were any differences in the quality of life, sexual function, and self-esteem of patients who underwent total laparoscopic hysterectomy (TLH) (n=42) and total abdominal hysterectomy (TAH) (n=42). MATERIALS AND METHODS: All premenopausal patients who underwent TLH or TAH because of benign uterine disorders were enrolled. The sexual function and quality of life status were assessed preoperatively and 6 months postoperatively using three standardized validated questionnaires: the Arizona Sexual Experiences Scale (ASEX), the Symptom Checklist-90-Revised (SCL-90-R), and the Rosenberg Self-Esteem Scale (RSES)...
December 2016: Turk J Obstet Gynecol
https://www.readbyqxmd.com/read/28912745/emotional-empathic-responses-to-dynamic-negative-affective-stimuli-is-gender-dependent
#17
Kim P C Kuypers
Empathy entails the ability to recognize emotional states in others and feel for them. Since empathy does not take place in a static setting, paradigms utilizing more naturalistic, dynamic stimuli instead of static stimuli are perhaps more suited to grasp the origin of this highly complex social skill. The study was set up to test the effect of stimulus dynamics and gender on empathic responses. Participants were 80 healthy volunteers (N = 40 males) aged 22.5 years on average. Behavioral empathy was tested with the multifaceted empathy test, including static emotional stimuli, and the multidimensional movie empathy test (MMET), including dynamic stimuli...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28910749/optimizing-assessment-of-sexual-arousal-in-postmenopausal-women-using-erotic-film-clips
#18
Lauren G Ramos Alarcon, Jing Dai, Karen Collins, Mindy Perez, Terri Woodard, Michael P Diamond
OBJECTIVES: This study sought to assess sexual arousal in a subgroup of women by identifying erotic film clips that would be most mentally appealing and physically arousing to postmenopausal women. STUDY DESIGN: By measuring levels of mental appeal and self-reported physical arousal using a bidirectional scale, we aimed to elucidate the clips that would best be utilized for sexual health research in the postmenopausal or over 50-year-old subpopulation. RESULTS: Our results showed that postmenopausal women did not rate clips with older versus younger actors differently (p>0...
August 18, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28910317/the-influence-of-threatening-visual-warnings-on-tobacco-packaging-measuring-the-impact-of-threat-level-image-size-and-type-of-pack-through-psychophysiological-and-self-report-methods
#19
Olivier Droulers, Karine Gallopel-Morvan, Sophie Lacoste-Badie, Mathieu Lajante
The first aim of this research was to assess the effectiveness, in terms of emotional and behavioral reactions, of moderately vs. highly TVWs (Threatening Visual Warnings) displayed on tobacco packs. Given the key role that emotional reactions play in explaining the effect of TVWs on behaviors, psychophysiological and self-report methods were used-for the first time in this context-to measure the emotions provoked by TVWs. The second aim of this research was to determine whether increasing the size of warnings, and their display on plain packaging (compared with branded packaging) would improve their effectiveness...
2017: PloS One
https://www.readbyqxmd.com/read/28910121/the-impact-of-uncertain-threat-on-affective-bias-individual-differences-in-response-to-ambiguity
#20
Maital Neta, Julie Cantelon, Zachary Haga, Caroline R Mahoney, Holly A Taylor, F Caroline Davis
Individuals who operate under highly stressful conditions (e.g., military personnel and first responders) are often faced with the challenge of quickly interpreting ambiguous information in uncertain and threatening environments. When faced with ambiguity, it is likely adaptive to view potentially dangerous stimuli as threatening until contextual information proves otherwise. One laboratory-based paradigm that can be used to simulate uncertain threat is known as threat of shock (TOS), in which participants are told that they might receive mild but unpredictable electric shocks while performing an unrelated task...
September 14, 2017: Emotion
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