Acute changes in carbon dioxide levels alter the electroencephalogram without affecting cognitive function.

abstract：:Locations of surface electromyography (sEMG) electrodes in the face are usually chosen on a macro-anatomical basis. In this study we describe optimal placement of bipolar electrodes based on a novel method and present results for lower facial muscles. We performed high-density sEMG recordings in 13 healthy participant...

journal_title：Psychophysiology

authors： Lapatki BG,Oostenveld R,Van Dijk JP,Jonas IE,Zwarts MJ,Stegeman DF

更新日期：2010-03-01 00:00:00

abstract：:Event-related brain potentials (ERPs) were measured when 24 Chinese subjects performed the classical Stroop task. All of subjects had experienced the great Sichuan earthquake (5/12), with 12 people in each of the Far (Chengdu city) and the Close (Deyang city) earthquake experience groups. The behavioral data showed th...

journal_title：Psychophysiology

authors： Qiu J,Su Y,Li H,Wei D,Tu S,Zhang Q

更新日期：2010-11-01 00:00:00

abstract：:This study examined whether frontal alpha electroencephalographic (EEG) asymmetry moderates the association between stressful life events and depressive symptoms in children at familial risk for depression. Participants included 135 children ages 6 to 13, whose mothers had either a history of depression or no history ...

journal_title：Psychophysiology

authors： Lopez-Duran NL,Nusslock R,George C,Kovacs M

更新日期：2012-04-01 00:00:00

abstract：:The development and validation of an event-related potential (ERP) memory assessment procedure is detailed. The procedure identifies learned material with high rates of accuracy, whether or not subjects give intentional responses indicating they had previously learned it. Because the traditional analysis of variance a...

journal_title：Psychophysiology

authors： Allen JJ,Iacono WG,Danielson KD

更新日期：1992-09-01 00:00:00

abstract：:The integrated effect of the cholesterol and CYP46 genotypes on the risk of cognitive decline needs to be determined. Using the Cognitive Abilities Screening Instrument (CASI), 145 mentally healthy middle-aged and older adults were recruited to investigate the influence of cholesterol and CYP46 genotypes on cognitive ...

journal_title：Psychophysiology

authors： Lai CL,Hsu CY,Liou LM,Hsieh HY,Hsieh YH,Liu CK

更新日期：2011-11-01 00:00:00

abstract：:In this study, we sought to characterize the effects of intense sensory stimulation on voluntary and involuntary behaviors at different stages of preparation for an anticipated action. We presented unexpected loud acoustic stimuli (LAS) at-rest and at three critical times during active movement preparation (-1,192, -3...

journal_title：Psychophysiology

authors： Nguyen AT,Jacobs LA,Tresilian JR,Lipp OV,Marinovic W

更新日期：2021-02-01 00:00:00

abstract：:Physiological arousal is purportedly a key determinant in the development and maintenance of gambling behaviors, with problem gambling conceptualized in terms of abnormal autonomic responses. Theoretical conceptualizations of problem gambling are discordant regarding the nature of deficit in this disorder; some accoun...

journal_title：Psychophysiology

authors： Lole L,Gonsalvez CJ,Barry RJ,Blaszczynski A

更新日期：2014-06-01 00:00:00

abstract：:Research has indicated that performance on heartbeat counting tasks may be influenced by beliefs about heart rate. Sixty male subjects were administered the Schandry heartbeat counting task after viewing fast, slow, or no heart rate feedback. Subjects were also administered the Whitehead signal-detection type task. Re...

journal_title：Psychophysiology

authors： Phillips GC,Jones GE,Rieger EJ,Snell JB

更新日期：1999-07-01 00:00:00

abstract：:Recording electrodermal activity is a well-accepted physiological measurement for clinical approaches and research. Historically, applying a DC (direct current) signal to the skin to measure the conductance is the most common practice for exogenous recordings. However, this method can be subject to error due to electr...

journal_title：Psychophysiology

authors： Pabst O,Tronstad C,Grimnes S,Fowles D,Martinsen ØG

更新日期：2017-03-01 00:00:00

abstract：:The early and late components of the event-related potential (ERP) Old-New effect are well characterized with respect to long-term memory, and have been associated with processes of familiarity and recollection, respectively. Now, using a short-term memory paradigm with verbal and nonverbal stimuli, we explored the wa...

journal_title：Psychophysiology

authors： Danker JF,Hwang GM,Gauthier L,Geller A,Kahana MJ,Sekuler R

更新日期：2008-09-01 00:00:00

abstract：:The presence of supportive others has been associated with attenuated cardiovascular reactivity in the laboratory. The effects of the presence of a spouse and others in a more naturalistic setting have received little attention. Blood pressure and heart rate reactions to mental stress were recorded at home in 1028 mar...

journal_title：Psychophysiology

authors： Phillips AC,Carroll D,Hunt K,Der G

更新日期：2006-11-01 00:00:00

abstract：:The empirical investigation of unobservable psychological processes usually rests on operational definitions. As an alternative, we propose the use of explicit causal models. This is particularly useful in psychophysiology, where formal models can be expressed mathematically, exploiting biophysical constraints, and in...

journal_title：Psychophysiology

authors： Bach DR,Friston KJ

更新日期：2013-01-01 00:00:00

abstract：:Considerable evidence suggests that subliminal information can trigger cognitive and neural processes. Here, we examined whether elicitation of orienting response by personally significant (PS) verbal information requires conscious awareness of the input. Subjects were exposed to the Concealed Information Test (CIT), ...

journal_title：Psychophysiology

authors： Maoz K,Breska A,Ben-Shakhar G

更新日期：2012-12-01 00:00:00

abstract：:Long-term stability of individual differences in stress responses has repeatedly been demonstrated in adults, but few studies have investigated the development of stability in adolescence. The present study was the first to investigate the stability of individual differences in heart rate, parasympathetic (RMSSD, pNN5...

journal_title：Psychophysiology

authors： van den Bos E,Westenberg PM

更新日期：2015-03-01 00:00:00

abstract：:Depending on feedback timing, the neural structures involved in learning differ, with the dopamine system including the dorsal striatum and anterior cingulate cortex (ACC) being more important for learning from immediate than delayed feedback. As stress has been shown to promote striatum-dependent learning, the curren...

journal_title：Psychophysiology

authors： Paul M,Bellebaum C,Ghio M,Suchan B,Wolf OT

更新日期：2020-02-01 00:00:00

abstract：:Restrictiveness, a component of relationship dominance associated with monitoring and regulating partners' behavior, is a risk factor and accelerant of Intimate Partner Violence (IPV). Few studies, however, have examined in vivo physiological responses associated with restrictiveness. Toward this end, 105 romantic cou...

journal_title：Psychophysiology

authors： Tudder A,Gresham AM,Peters BJ,Reis HT,Jamieson JP

更新日期：2020-10-01 00:00:00

abstract：:Psychophysiological measures such as the lateralized readiness potential (LRP) have been used to study information processing in the Eriksen flankers task. The data provided by these measures are consistent with a continuous flow theory, which proposes that the output of stimulus evaluation is continuously available t...

journal_title：Psychophysiology

authors： Spencer KM,Coles MG

更新日期：1999-05-01 00:00:00

abstract：:Brain-potential correlates of response conflict are well documented, but those of task conflict are not. Task-switching studies have suggested a plausible correlate of task conflict--a poststimulus posterior negativity--however, in such paradigms the negativity may also reflect poststimulus task-set reconfiguration po...

journal_title：Psychophysiology

authors： Elchlepp H,Rumball F,Lavric A

更新日期：2013-03-01 00:00:00

abstract：:A series of meta-analyses was undertaken to determine the contributions of sympathetic and parasympathetic activation to cardiovascular stress reactivity. A literature search yielded 186 studies of sufficient quality that measured indices of sympathetic (n = 113) and/or parasympathetic activity (n = 73). A range of ps...

journal_title：Psychophysiology

authors： Brindle RC,Ginty AT,Phillips AC,Carroll D

更新日期：2014-10-01 00:00:00

abstract：:Up to a third of the population experiences pain when seeing another in pain. The mechanisms underlying such vicarious sensory experiences are thought to reflect hyperactive mirror systems (threshold theory) or dysfunctional processing and representation of oneself versus others (self/other theory). This study investi...

journal_title：Psychophysiology

authors： Young KA,Gandevia SC,Giummarra MJ

更新日期：2017-07-01 00:00:00

abstract：:The neuroactive metabolites of the steroid hormones progesterone (P4) and testosterone (T) are GABAergic modulators that influence cognition, yet, the specific effect of P4 and T on brain network activity remains poorly understood. Here, we investigated if a fundamental oscillatory network activity pattern, often rela...

journal_title：Psychophysiology

authors： Riddle J,Ahn S,McPherson T,Girdler S,Frohlich F

更新日期：2020-10-01 00:00:00

abstract：:The effects of stress, which varies throughout an academic year, on proinflammatory and antiinflammatory cytokines were examined in 44 medical students. This was tested by comparing stimulated cytokines during a baseline period, stress period, and poststress vacation period. During the stress period, compared with the...

journal_title：Psychophysiology

authors： Koh KB,Lee YJ,Beyn KM,Chu SH,Kim DM,Seo WY

更新日期：2012-09-01 00:00:00

abstract：:Masking of the first target in the attentional blink (AB) paradigm increases the magnitude of the AB relative to when the first target is not masked. We examined the underlying causes of this effect in an experiment in which a single target was presented in a rapid visual serial presentation stream. The P3 to the targ...

journal_title：Psychophysiology

authors： Brisson B,Robitaille N,Deland-Bélanger A,Spalek TM,Di Lollo V,Jolicoeur P

更新日期：2010-09-01 00:00:00

abstract：:We report long-term temporal consistency of stress-related neuroendocrine and cardiovascular variables in mid-aged and older women who performed mental math and speech stress tasks two times approximately 1 year apart. Epinephrine, norepinephrine, ACTH, cortisol, cardiac preejection period (PEP), respiratory sinus arr...

journal_title：Psychophysiology

authors： Burleson MH,Poehlmann KM,Hawkley LC,Ernst JM,Berntson GG,Malarkey WB,Kiecolt-Glaser JK,Glaser R,Cacioppo JT

更新日期：2003-05-01 00:00:00

abstract：:Event-related potentials were used to examine the preparation of hand and foot responses in tasks using both limb systems. As in tasks using only one system, opposite lateralized readiness potentials were observed for hand and foot responses (Experiment 1). Furthermore, movement-related activity at Cz was more positiv...

journal_title：Psychophysiology

authors： Miller J

更新日期：2012-05-01 00:00:00

abstract：:A rapidly growing body of research suggests that meditation can change brain and cognitive functioning. Yet little is known about the neurochemical mechanisms underlying meditation-related changes in cognition. Here, we investigated the effects of meditation on spontaneous eyeblink rates (sEBR), a noninvasive peripher...

journal_title：Psychophysiology

authors： Kruis A,Slagter HA,Bachhuber DR,Davidson RJ,Lutz A

更新日期：2016-05-01 00:00:00

abstract：:Previous studies on aversive learning have suggested a right hemispheric advantage for eliciting autonomic reactions to a masked conditioned facial stimulus (CS) depicting anger. The present study investigated the effects of visual field (VF), stimulus awareness, and emotional valence of the CSs on indicators of condi...

journal_title：Psychophysiology

authors： Peper M,Karcher S

更新日期：2001-11-01 00:00:00

abstract：:According to recent models on visual attention, both the salience of signals (bottom-up) and the intention to search for particular stimuli (top-down) are determinants for attentional selection. We investigated these mechanisms by varying the top-down set of participants that had to detect either luminance or orientat...

journal_title：Psychophysiology

authors： Schneider D,Beste C,Wascher E

更新日期：2012-11-01 00:00:00

abstract：:Expectations can affect subjective sensory and hedonic ratings of tastes, but it is unclear whether they also shape sensory experience at a perceptual level. The neural correlates of the taste-expectancy relationship were explored through EEG analysis. Using a trial-by-trial cueing paradigm, lingual delivery of 0.05 M...

journal_title：Psychophysiology

authors： Wilton M,Stancak A,Giesbrecht T,Thomas A,Kirkham T

更新日期：2019-03-01 00:00:00

abstract：:This study examined, using the Concealed Information paradigm, whether interstimulus intervals (ISI) typically used for electrodermal measurement can be shortened. An ISI ranging from 16 s to 24 s (with a mean of 20 s) was compared with an ISI shortened by 50% using a within-participants design. It was demonstrated th...

journal_title：Psychophysiology

authors： Breska A,Maoz K,Ben-Shakhar G

更新日期：2011-04-01 00:00:00