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International Journal of Psychophysiology

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https://www.readbyqxmd.com/read/28408136/on-the-correct-side-of-performance-processing-of-internal-and-external-signals-in-response-speed-evaluation
#1
Christian Valt, Birgit Stürmer
Response appropriateness is not exclusively limited to accuracy. Nevertheless, the processing of parameters other than accuracy for response monitoring has been mostly neglected. The present experiment explored how the cognitive system processes response speed based on internal and external signals. Participants performed a response-choice task where correct responses were classified as fast, average, or slow. External signals informative about performance quality were presented after the response in most of the trials; in some trials, instead, participants had to judge their own performance...
April 10, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28400246/the-effects-of-captivity-survival-training-on-mood-dissociation-ptsd-symptoms-cognitive-performance-and-stress-hormones
#2
Cindy Suurd Ralph, Oshin Vartanian, Harris R Lieberman, Charles A Morgan, Bob Cheung
In the Canadian Armed Forces (CAF), Conduct After Capture (CAC) training is a 4-day captivity survival course during which soldiers are exposed to increasing stress, and evaluated on their ability to accomplish military objectives. We hypothesized that: (a) compared to baseline, CAC training would cause significant, reversible perturbations in measures of psychological functioning and serum and salivary stress hormone levels relevant to models of stress hardiness and vulnerability; and (b) deviations from baseline would be maximal at the time point of most intense stress during training...
April 8, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28400245/psychophysiological-correlates-of-the-misinformation-effect
#3
Katja Volz, Rainer Leonhart, Rudolf Stark, Dieter Vaitl, Wolfgang Ambach
The misinformation effect refers to memory impairment that arises after exposure to misleading information (Loftus, 2005, p. 361). The present study focuses on the peripheral psychophysiology of false memories induced in a misleading information paradigm. On the basis of Sokolov's orienting reflex and studies concerning the Concealed Information Test (CIT, Lykken, 1959), the main hypothesis assumes differences between true and false memories in terms of the accompanying autonomic measures. It also is assumed that a cued recall of original information preceding the recollection phase reduces misinformation effects...
April 8, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28400244/the-interconnection-of-mental-fatigue-and-aging-an-eeg-study
#4
Stefan Arnau, Tina Möckel, Gerhard Rinkenauer, Edmund Wascher
Mental fatigue, a state of reduced alertness and decreased overall performance due to prolonged cognitive activity, is a major cause for a large number of accidents in traffic and industry. Against the background of an aging workforce, the investigation of the interconnection of mental fatigue and aging is of great practical relevance. In the present study, a group of younger and a group of older adults performed a cognitive task for 3h. The experimental design also comprised breaks with various durations. Beside behavioral data, the spectral properties of the ongoing EEG with respect to time on task and breaks were analyzed...
April 8, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28390903/obesity-is-associated-with-lack-of-inhibitory-control-and-impaired-heart-rate-variability-reactivity-and-recovery-in-response-to-food-stimuli
#5
Grazia Fernanda Spitoni, Cristina Ottaviani, Anna Maria Petta, Pietro Zingaretti, Massimiliano Aragona, Antonio Sarnicola, Gabriella Antonucci
Recent theories compare obesity with addiction in terms of lack of inhibitory control in both clinical populations. The present study hypothesized impaired inhibition in obese patients reflected both in executive functions and reduced vagal tone (indexed by a decrease in heart rate variability; HRV) in response to food stimuli. Twenty-four inpatients with obesity (19 women) and 37 controls (24 women) underwent ECG monitoring during baseline, food stimuli viewing, and a recovery phase. Tests and questionnaires assessing inhibitory control and psychopathological dispositions were also administered...
April 6, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28389250/significance-and-novelty-effects-in-single-trial-erp-components-and-autonomic-responses
#6
Brett MacDonald, Robert J Barry
The phasic orienting reflex (OR) was investigated in two counterbalanced blocks of an auditory dishabituation paradigm differing in stimulus Significance (operationalised as tone counting). Twelve tones were presented at very long, randomly-varying interstimulus intervals (ISIs). Novelty and Significance were varied within subjects. Stimulus-response patterns were assessed to find ERP matches for autonomic measures. The phasic OR index was represented by the skin conductance response (SCR). SCR decremented over 10 standard trials, showed recovery on trial 11 (change trial), enhancement to re-presentation of the standard tone (trial 12: dishabituation), and a main effect of Significance over the first 10 trials - demonstrating the formal criteria for an OR index...
April 4, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28377265/lexical-influence-on-stress-processing-in-a-fixed-stress-language
#7
Linda Garami, Anett Ragó, Ferenc Honbolygó, Valéria Csépe
In the present study, we investigate how lexicality affects the processing of suprasegmental features at the word level. In contrast to earlier studies which analyzed the role of either segmental or suprasegmental feature in language processing our aim was to investigate the effect of the lexical status on the processing of violated stress pattern defined by linguistic rules. We have conducted a passive oddball ERP experiment, presenting a frequent CVCV word with legal (familiar) and illegal (unfamiliar) stress patterns...
April 1, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28323026/cued-uncertainty-modulates-later-recognition-of-emotional-pictures-an-erp-study
#8
Huiyan Lin, Jing Xiang, Saili Li, Jiafeng Liang, Dongmei Zhao, Desheng Yin, Hua Jin
Previous studies have shown that uncertainty about the emotional content of an upcoming event modulates event-related potentials (ERPs) during the encoding of the event, and this modulation is affected by whether there are cues (i.e., cued uncertainty) or not (i.e., uncued uncertainty) prior to the encoding of the uncertain event. Recently, we showed that uncued uncertainty affected ERPs in later recognition of the emotional event. However, it is as yet unknown how the ERP effects of recognition are modulated by cued uncertainty...
March 16, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28315361/effects-of-anticipated-emotional-category-and-temporal-predictability-on-the-startle-reflex
#9
Elizabeth A Parisi, Greg Hajcak, Eleni Aneziris, Brady D Nelson
Anticipated emotional category and temporal predictability are key characteristics that have both been shown to impact psychophysiological indices of defensive motivation (e.g., the startle reflex). To date, research has primarily examined these features in isolation, and it is unclear whether they have additive or interactive effects on defensive motivation. In the present study, the startle reflex was measured in anticipation of low arousal neutral, moderate arousal pleasant, and high arousal unpleasant pictures that were presented with either predictable or unpredictable timing...
March 14, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28300615/heritability-of-brain-activity-related-to-response-inhibition-a-longitudinal-genetic-study-in-adolescent-twins
#10
Andrey P Anokhin, Simon Golosheykin, Julia D Grant, Andrew C Heath
The ability to inhibit prepotent but context- or goal-inappropriate responses is essential for adaptive self-regulation of behavior. Deficits in response inhibition, a key component of impulsivity, have been implicated as a core dysfunction in a range of neuropsychiatric disorders such as ADHD and addictions. Identification of genetically transmitted variation in the neural underpinnings of response inhibition can help to elucidate etiological pathways to these disorders and establish the links between genes, brain, and behavior...
March 12, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28288803/the-relationship-of-approach-avoidance-motivation-and-asymmetric-frontal-cortical-activity-a-review-of-studies-manipulating-frontal-asymmetry
#11
Nicholas J Kelley, Ruud Hortensius, Dennis J L G Schutter, Eddie Harmon-Jones
The balance between activity in the left and right frontal cortex, commonly referred to as asymmetric frontal cortical activity, has served as a proxy for an organism's motivational direction (i.e., approach vs. avoidance). Many studies have examined the influence of the manipulation of motivational direction on asymmetrical frontal cortical activity and found results consistent with the idea that greater relative left (right) frontal cortical activity is associated with approach (avoidance) motivation. We critically review literature employing physical (versus psychological) manipulations of frontal asymmetry using a variety of methodologies including neurofeedback training, muscular contractions, and non-invasive brain stimulation...
March 10, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28285721/corrigendum-to-is-meditation-always-relaxing-investigating-heart-rate-heart-rate-variability-experienced-effort-and-likeability-during-training-of-three-types-of-meditation-int-j-psychophysiol-97-1-2015-38-45
#12
Anna-Lena Lumma, Bethany E Kok, Tania Singer
No abstract text is available yet for this article.
March 9, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28259534/the-genetics-of-brain-function-and-psychophysiology-an-introduction-to-the-special-issue
#13
EDITORIAL
Andrey P Anokhin
No abstract text is available yet for this article.
March 1, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28257875/game-based-combined-cognitive-and-neurofeedback-training-using-focus-pocus-reduces-symptom-severity-in-children-with-diagnosed-ad-hd-and-subclinical-ad-hd
#14
Stuart J Johnstone, Steven J Roodenrys, Kirsten Johnson, Rebecca Bonfield, Susan J Bennett
Previous studies report reductions in symptom severity after combined working memory (WM) and inhibitory control (IC) training in children with AD/HD. Based on theoretical accounts of the role of arousal/attention modulation problems in AD/HD, the current study examined the efficacy of combined WM, IC, and neurofeedback training in children with AD/HD and subclinical AD/HD. Using a randomized waitlist control design, 85 children were randomly allocated to a training or waitlist condition and completed pre- and post-training assessments of overt behavior, trained and untrained cognitive task performance, and resting and task-related EEG activity...
February 28, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28238817/the-relationship-between-maternal-responsivity-socioeconomic-status-and-resting-autonomic-nervous-system-functioning-in-mexican-american-children
#15
Megan Johnson, Julianna Deardorff, Elizabeth L Davis, William Martinez, Brenda Eskenazi, Abbey Alkon
Adversity, such as living in poor socioeconomic conditions during early childhood, can become embedded in children's physiology and deleteriously affect their health later in life. On the other hand, maternal responsivity may have adaptive effects on physiology during early childhood development. The current study tested both the additive and interactive effects of socioeconomic status (SES) and maternal responsivity measured at 1year of age on resting autonomic nervous system (ANS) function and trajectory during the first 5years of life...
February 24, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28238816/resilience-work-engagement-and-stress-reactivity-in-a-middle-aged-manual-worker-population
#16
Julie K Black, George M Balanos, Anna C Whittaker Previously Phillips
Work stress is a growing problem in Europe. Together, the negative physiological effect of stress on health, and increasing age increases the risk of developing cardiovascular disease in those aged over 50years. Therefore, identifying older workers who may be at risk of work-related stress, and its physiological effects, is key to promoting their health and wellbeing in the workforce. The present study examined the relationship between perceived psychological resilience and work-related factors (work engagement and presenteeism) and the physiological response to acute psychological stress in older manual workers in the UK...
February 24, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28237693/event-related-theta-oscillatory-substrates-for-facilitation-and-interference-effects-of-negative-emotion-on-children-s-cognition
#17
Zhongqing Jiang, Allison C Waters, Ying Liu, Wenhui Li, Lizhu Yang
We investigated the brain oscillatory contribution to emotion-cognition interaction in young children. Five-year-old participants (n=27) underwent EEG recording while engaged in a color identification task. Each trial began with an emotional prime. Response times indicated whether emotional primes facilitated or interfered with performance. Related effects were detected in theta-band power over parietal-occipital cortex, early in the response epoch (<500ms). Children in the emotion facilitation group showed greater theta synchronization for negative stimuli...
February 22, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28235554/mismatch-field-latency-but-not-power-may-mark-a-shared-autistic-and-schizotypal-trait-phenotype
#18
Talitha C Ford, Will Woods, David P Crewther
The auditory mismatch negativity (MMN), a preattentive processing potential, and its magnetic counterpart (MMF) are consistently reported as reduced in schizophrenia and autism spectrum disorders. This study investigates whether MMF characteristics differ between subclinically high and low scorers on the recently discovered shared autism and schizophrenia phenotype, Social Disorganisation. A total of 18 low (10 females) and 19 high (9 females) Social Disorganisation scorers underwent magnetoencephalography (MEG) during a MMF paradigm of 50ms standard (1000Hz, 85%) and 100ms duration deviant tones...
February 21, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28235553/naturally-occurring-fatigue-and-cardiovascular-response-to-a-simple-memory-challenge
#19
Christopher Mlynski, Rex A Wright, Stephanie D Agtarap, Juan Rojas
Participants first completed a state affect checklist that included a fatigue (energy-tiredness) index and a measure of mental sharpness. They then were presented a simple memory challenge. In the first minute of the two-minute work period, heart rate responses (1) rose with values on the fatigue index, and (2) fell with values on the measure of mental sharpness. In the second minute of the work period, the responses were unrelated to fatigue index and mental sharpness values. Follow-up analysis indicated mental sharpness mediation of fatigue influence on heart rate in Minute 1...
February 21, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28219681/the-developmental-relationship-between-central-dopaminergic-level-and-response-inhibition-from-late-childhood-to-young-adulthood
#20
Ting Zhang, Qin Zhang, Cuicui Wang, Antao Chen
Dopamine (DA) is known to modulate response inhibition (RI). In contrast to the abundant adult studies, only few developmental studies have focused on this topic. Moreover, the mechanism underlying the modulation of RI by the DA system from childhood to adulthood remains unclear. We aimed to assess whether the relationship between DA and RI during late childhood and young adulthood is similar. Accordingly, DA function was measured using the spontaneous eye blink rate (EBR), whereas RI ability was tested using the Go/Nogo task...
February 20, 2017: International Journal of Psychophysiology
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