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Applied Psychophysiology and Biofeedback

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https://www.readbyqxmd.com/read/28321592/resonance-frequency-breathing-biofeedback-to-reduce-symptoms-of-subthreshold-ptsd-with-an-air-force-special-tactics-operator-a-case-study
#1
Lorene M Petta
The prevalence rates of post-traumatic stress disorder (PTSD) have been estimated to be several times higher in military populations compared to the national average. Special Tactics operators are a group that is more likely to avoid seeking psychological care due to the stigma and other consequences the diagnosis may have on their military careers. There is a need for more effective and less stigmatizing interventions to treat this population. Psychophysiological methods have been proven to be efficacious in treating PTSD, yet have received less attention as an adjunctive intervention...
March 20, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28293760/effects-of-partial-absence-of-visual-feedback-information-on-gait-symmetry
#2
Seung-Jae Kim, Marie Aimee Kayitesi, Amy Chan, Kimberli Graham
The incorporation of real-time visual feedback during gait rehabilitation can improve the efficacy of training. Our prior work demonstrated that the imposed distortion of simple visual feedback information of step lengths entails an unintentional adaptive process in the subjects' spatial gait pattern, thereby suggesting the important role of implicit learning in the context of gait rehabilitation that employs visual feedback. The purpose of this study was to investigate whether the removal of a portion of visual feedback information-after it had initially been provided-had any impact on gait symmetry...
March 14, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28255635/patient-controlled-biofeedback-device-for-the-treatment-of-fecal-incontinence-a-pilot-study
#3
REVIEW
Daniel C Damin, Felipe Hommerding, Delber Schirmer, Paulo R S Sanches, Danton P Silva Junior, André F Müller, Paulo R O Thome
Although biofeedback has been used as a first-line therapy for fecal incontinence, it is known to be time consuming and demands attendance to a hospital during the whole period of treatment. In this study, we describe a new biofeedback device specifically developed for home treatment of fecal incontinence, which consists of a microprocessor controlled unit able to register and store the anal pressure waves corresponding to exercises performed by patients at home. In order to test the new device, a pilot study including ten patients with fecal incontinence was conducted...
March 2, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28251420/maladaptive-cardiac-autonomic-control-during-a-stress-reactivity-assessment-among-primary-care-patients-with-metabolic-syndrome
#4
Jonathan C Mitchell, Joyce Paulson, Maria Cannarozzi, Sandra M Neer, Jeffrey E Cassisi
Metabolic syndrome (MetS) comprises a constellation of metabolic abnormalities that substantially increase risk for chronic illnesses. Autonomic dysregulation is closely linked to MetS, and while pathophysiological models often address chronic stress exposure, none have examined how such physiological contributions operate situationally, in a clinical setting. We used ambulatory impedance cardiography to examine indicators of cardiac autonomic control (CAC) in a sample of 50 adult primary care patients with and without MetS...
March 1, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28188383/attenuating-physiological-arousal-through-the-manipulation-of-simple-hand-movements
#5
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/28176012/implicit-learning-of-a-finger-motor-sequence-by-patients-with-cerebral-palsy-after-neurofeedback
#6
Ana Alves-Pinto, Varvara Turova, Tobias Blumenstein, Conny Hantuschke, Renée Lampe
Facilitation of implicit learning of a hand motor sequence after a single session of neurofeedback training of alpha power recorded from the motor cortex has been shown in healthy individuals (Ros et al., Biological Psychology 95:54-58, 2014). This facilitation effect could be potentially applied to improve the outcome of rehabilitation in patients with impaired hand motor function. In the current study a group of ten patients diagnosed with cerebral palsy trained reduction of alpha power derived from brain activity recorded from right and left motor areas...
February 7, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28138830/attempts-to-suppress-episodic-memories-fail-but-do-produce-demand-evidence-from-the-p300-based-complex-trial-protocol-and-an-implicit-memory-test
#7
Anne C Ward, J Peter Rosenfeld
Instructions to voluntarily suppress memories of a mock crime have been reported to result in decreased P300 amplitude during a P300-based concealed information test (CIT) and reduced autobiographical Implicit Association Test (aIAT) D scores, supporting successful suppression. However, one such study, (Hu et al., Psychological science 26(7):1098-1106, 2015) used the P300-based Complex Trial Protocol with a 50-50 target to nontarget ratio, which could impose much response switching and thereby drain cognitive resources, also resulting in reduced P300...
January 30, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28197748/a-pilot-study-on-the-effects-of-slow-paced-breathing-on-current-food-craving
#8
Adrian Meule, Andrea Kübler
Heart rate variability biofeedback (HRV-BF) involves slow paced breathing (approximately six breaths per minute), thereby maximizing low-frequent heart rate oscillations and baroreflex gain. Mounting evidence suggests that HRV-BF promotes symptom reductions in a variety of physical and mental disorders. It may also positively affect eating behavior by reducing food cravings. The aim of the current study was to investigate if slow paced breathing can be useful for attenuating momentary food craving. Female students performed paced breathing either at six breaths per minute (n = 32) or at nine breaths per minute (n = 33) while watching their favorite food on the computer screen...
March 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28197747/upper-alpha-based-neurofeedback-training-in-chronic-stroke-brain-plasticity-processes-and-cognitive-effects
#9
Silvia Erika Kober, Daniela Schweiger, Johanna Louise Reichert, Christa Neuper, Guilherme Wood
In the present study, we investigated the effects of upper alpha based neurofeedback (NF) training on electrical brain activity and cognitive functions in stroke survivors. Therefore, two single chronic stroke patients with memory deficits (subject A with a bilateral subarachnoid hemorrhage; subject B with an ischemic stroke in the left arteria cerebri media) and a healthy elderly control group (N = 24) received up to ten NF training sessions. To evaluate NF training effects, all participants performed multichannel electroencephalogram (EEG) resting measurements and a neuropsychological test battery assessing different cognitive functions before and after NF training...
March 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28194546/a-multisite-benchmarking-trial-of-capnometry-guided-respiratory-intervention-for-panic-disorder-in-naturalistic-treatment-settings
#10
David F Tolin, Patrick B McGrath, Lisa R Hale, Daniel N Weiner, Ralitza Gueorguieva
Panic disorder (PD) is associated with hyperventilation. The efficacy of a brief respiratory feedback program for PD has been established. The aim of the present study was to expand these results by testing a similar program with more clinically representative patients and settings. Sixty-nine adults with PD received 4 weeks of Capnometry Guided Respiratory Intervention (CGRI) using Freespira, which provides feedback of end-tidal CO2 (PETCO2) and respiration rate (RR), in four non-academic clinical settings...
March 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28083720/effects-of-acute-stress-on-decision-making
#11
Stephanie E Wemm, Edelgard Wulfert
The study examined the effects of a social stressor (Trier Social Stress Test) on 24 male and 32 female college students' affective and physiological reactivity and their subsequent performance on a decision-making task (Iowa Gambling Task). The 56 participants were randomly assigned to a social stressor or a control condition. Compared to controls, participants in the stress condition responded with higher heart rates and skin conductance responses, reported more negative affect, and on the decision-making task made less advantageous choices...
March 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/27207257/functional-somatic-syndromes-skin-temperatures-and-activity-measurements-under-ambulatory-conditions
#12
Carole Keppler, Timm Rosburg, Patrick Lemoine, Marlon Pflüger, Niklaus Gyr, Ralph Mager
Functional somatic syndromes are mostly associated with pain and emotional distress. As one marker for the autonomic stress response, the distal skin temperature decreases during psychological stress. In patients with functional somatic syndromes, the distal skin temperature under baseline conditions (without stress induction) is usually lower than in healthy subjects, which could be due to the sustained presence of pain-related stress in such patients. The aim of our study was to investigate whether patients with functional somatic syndromes show altered skin temperatures also under everyday life conditions...
December 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/27889892/effects-of-mental-stress-induction-on-heart-rate-variability-in-patients-with-panic-disorder
#13
Katja Petrowski, Susann Wichmann, Timo Siepmann, Gloria-Beatrice Wintermann, Stefan R Bornstein, Martin Siepmann
Reduced heart rate variability (HRV) constitutes a widely used marker of cardiac autonomic inflexibility which has been linked to disorders such as panic disorder (PD). To date, the pathophysiological mechanisms whereby panic leads to attenuated HRV are not fully elucidated. We aimed to investigate the hypothesis that PD patients show pathological reactivity both in response to interoceptive and psychosocial stress in comparison to healthy individuals. We performed a controlled study on 38 patients diagnosed with PD [20 males and 18 females aged 35...
November 26, 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/27193132/catching-a-deceiver-in-the-act-processes-underlying-deception-in-an-interactive-interview-setting
#14
Sabine Ströfer, Elze G Ufkes, Matthijs L Noordzij, Ellen Giebels
Lying is known to evoke stress and cognitive load. Both form cues to deception and lead to an increase in sympathetic nervous system (SNS) activity. But in reality, deceivers stick to the truth most the time and only lie occasionally. The present study therefore examined in an interactive suspect interview setting, whether deceivers still have clearly diverging cognitive and emotional processes from truth tellers when only having the intention to lie incidentally. We found that deceivers who lied constantly diverge from truth tellers in SNS activity, self-reported cognitive load and stress...
September 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/27170300/exploring-the-impact-of-short-and-long-term-hydrocortisone-replacement-on-cognitive-function-quality-of-life-and-catecholamine-secretion-a-pilot-study
#15
Birgit Harbeck, Sven Danneberg, Amir-Hossein Rahvar, Christian S Haas, Hendrik Lehnert, Peter Kropp, Heiner Mönig
Hydrocortisone (HC) substitution is essential in the treatment for patients with adrenal insufficiency (AI). Current replacement regimens however only incompletely mimic the physiological circadian rhythm of cortisol secretion, thereby resulting in subclinical temporary hypo- and hypercortisolism. Several studies point toward impairment of cognitive functions under these conditions, in part due to affected catecholamine secretion. Aim of this study was to evaluate the influence of long-term versus short-term HC replacement therapy on the adrenomedullary system and cognitive functions...
September 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/27113096/pupil-size-changes-as-an-active-information-channel-for-biofeedback-applications
#16
Jan Ehlers, Christoph Strauch, Juliane Georgi, Anke Huckauf
Pupil size is usually regarded as a passive information channel that provides insight into cognitive and affective states but defies any further control. However, in a recent study (Ehlers et al. 2015) we demonstrate that sympathetic activity indexed by pupil dynamics allows strategic interference by means of simple cognitive techniques. Utilizing positive/negative imaginings, subjects were able to expand pupil diameter beyond baseline variations; albeit with varying degrees of success and only over brief periods...
September 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/27025611/the-sensorium-psychophysiological-evaluation-of-responses-to-a-multimodal-neurofeedback-environment
#17
Thilo Hinterberger, Elena Fürnrohr
The Sensorium is a multimodal neurofeedback environment that reflects a person's physiological state by presenting physiological signals via orchestral sounds from a speaker and multi-coloured lights projected onto a white surface. The software manages acquisition, real-time processing, storage, and sonification of various physiological signals such as the electroencephalogram (EEG) or electrocardiogram (ECG). Each of the 36 participants completed 6 interventional conditions consisting of three different Sensorium-phases with EEG and ECG feedback, a mindfulness meditation, a guided body scan exercise, and a Pseudo-Sensorium using pre-recorded data that did not reflect the subject's own physiology...
September 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/26984470/migraine-and-meditation-characteristics-of-cortical-activity-and-stress-coping-in-migraine-patients-meditators-and-healthy-controls-an-exploratory-cross-sectional-study
#18
Armin Keller, Bianca Meyer, Hans-Georg Wöhlbier, Claudia Helene Overath, Peter Kropp
The aim of this exploratory cross-sectional study was to investigate the characteristics of cortical activity and stress coping in migraine patients, meditation experienced subjects, and healthy controls. 45 meditation experienced subjects, 46 migraine patients, and 46 healthy controls took part in the study. Cortical activity was measured with the contingent negative variation (CNV), a slow cortical event-related potential. Stress coping was examined with the standardized Stress Coping Questionnaire SVF-78...
September 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/26969177/a-stress-management-program-for-higher-risk-medical-students-preliminary-findings
#19
Julie Brennan, Angele McGrady, Denis J Lynch, Paul Schaefer, Kary Whearty
Approximately 10 % of first year medical students have clinically relevant anxiety or depression which may affect academic success and quality of life. This study tested the effects of a stress management intervention on indicators of anxiety, depression and self-efficacy in self-selected first year medical students. Forty two medical students volunteered to participate and provided informed consent. An eight session intervention was offered and focused on building relaxation skills, adaptive coping, and basic nutrition...
September 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/26869373/intrinsic-functional-hypoconnectivity-in-core-neurocognitive-networks-suggests-central-nervous-system-pathology-in-patients-with-myalgic-encephalomyelitis-a-pilot-study
#20
Marcie L Zinn, Mark A Zinn, Leonard A Jason
Exact low resolution electromagnetic tomography (eLORETA) was recorded from nineteen EEG channels in nine patients with myalgic encephalomyelitis (ME) and 9 healthy controls to assess current source density and functional connectivity, a physiological measure of similarity between pairs of distributed regions of interest, between groups. Current source density and functional connectivity were measured using eLORETA software. We found significantly decreased eLORETA source analysis oscillations in the occipital, parietal, posterior cingulate, and posterior temporal lobes in Alpha and Alpha-2...
September 2016: Applied Psychophysiology and Biofeedback
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