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Applied Psychophysiology and Biofeedback

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https://www.readbyqxmd.com/read/28197748/a-pilot-study-on-the-effects-of-slow-paced-breathing-on-current-food-craving
#1
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...
February 14, 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
#2
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...
February 14, 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
#3
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...
February 13, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28188383/attenuating-physiological-arousal-through-the-manipulation-of-simple-hand-movements
#4
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
#5
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
#6
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/28083720/effects-of-acute-stress-on-decision-making
#7
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...
January 12, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/27889892/effects-of-mental-stress-induction-on-heart-rate-variability-in-patients-with-panic-disorder
#8
Katja Petrowski, Susann Wichmann, Timo Siepmann, 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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
https://www.readbyqxmd.com/read/26800974/teaching-to-relax-development-of-a-program-to-potentiate-stress-results-of-a-feasibility-study-with-medical-undergraduate-students
#16
Michael Scholz, Carolin Neumann, Katharina Wild, Fabian Garreis, Christian M Hammer, Axel Ropohl, Friedrich Paulsen, Pascal H M Burger
Medical students are a population at risk for the development of stress-related risk states (e.g. burnout) and manifest mental disorders (e.g. depression). Still the learning of coping mechanisms against stress is not an integral part of the medical curriculum. In a pilot study we developed an elective course for learning relaxation techniques (Relacs) which was geared to the clinical practice of autogenic training (AT) with psychiatric patients. The course focussed on an innovative and mostly communicative transfer of knowledge about AT, progressive muscle relaxation and medical hypnosis and stressed the principle of repeated and supervised exercises in small student groups alongside self-administered exercise...
September 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/26782084/abbreviated-resonant-frequency-training-to-augment-heart-rate-variability-and-enhance-on-demand-emotional-regulation-in-elite-sport-support-staff
#17
Mike J Gross, David A Shearer, Joy D Bringer, Ross Hall, Christian J Cook, Liam P Kilduff
Support and management staff in elite sport experience work-related stress and emotional disturbance to a similar extent as athletes (Fletcher and Wagstaff 2009). The resonant frequency breathing technique (Lehrer et al. 2000) can inhibit autonomic changes associated with stressful situations or events and as such provides a potential emotional regulation tool. The present study utilised five practitioner-led heart rate variability (HRV) biofeedback sessions and home practice via mobile applications to train support and management staff (n = 9) in resonant frequency breathing techniques...
September 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/26782083/a-pilot-study-of-neurofeedback-for-chronic-ptsd
#18
Mark Gapen, Bessel A van der Kolk, Ed Hamlin, Laurence Hirshberg, Michael Suvak, Joseph Spinazzola
EEG Biofeedback (also known as neurofeedback) has been in use as a clinical intervention for well over 30 years; however, it has made very little impact on clinical care. One reason for this has been the difficulty in designing research to measure clinical change in the real world. While substantial evidence exists for its efficacy in treating attention deficit/hyperactivity disorder, relatively little evidence exists for its utility in other disorders including posttraumatic stress disorder (PTSD). The current study represents a "proof-of-concept" pilot for the use of neurofeedback with multiply-traumatized individuals with treatment-resistant PTSD...
September 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/27573986/electrophysiological-and-behavioral-outcomes-of-berard-auditory-integration-training-ait-in-children-with-autism-spectrum-disorder
#19
Estate M Sokhadze, Manuel F Casanova, Allan Tasman, Sally Brockett
Autism is a pervasive developmental disorder of childhood characterized by deficits in social interaction, language, and stereotyped behaviors along with a restricted range of interests. It is further marked by an inability to perceive and respond to social and emotional signals in a typical manner. This might due to the functional disconnectivity of networks important for specific aspects of social cognition and behavioral control resulting in deficits of sensory information integration. According to several recent theories sensory processing and integration abnormalities may play an important role in impairments of perception, cognition, and behavior in individuals with autism...
August 29, 2016: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/27492189/posttraumatic-stress-disorder-ptsd-patients-exhibit-a-blunted-parasympathetic-response-to-an-emotional-stressor
#20
Thomas Meyer, Juliane Albrecht, Gesine Bornschein, Ulrich Sachsse, Christoph Herrmann-Lingen
Diminished parasympathetic reactivity is a physiological feature of posttraumatic stress disorder (PTSD). The objective of this study was to compare female PTSD patients with non-traumatized healthy women with respect to autonomic cardiovascular regulation during exposure to two stressors. Hospitalized PTSD patients (n = 52) and controls (n = 37) completed standardized laboratory-based stress testing including a mental arithmetic test and a standardized audiotape recording of a crying infant. Controls and PTSD patients both showed a significantly increased heart rate and reduced pre-ejection period from baseline rest to the arithmetic stressor...
August 4, 2016: Applied Psychophysiology and Biofeedback
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