Fast cerebral functional signal in the 100-ms range detected in the visual cortex by frequency-domain near-infrared spectrophotometry.

abstract：:This report examines the hypothesis that electrocardiographic T-wave amplitude is sensitive to graded increases in beta-sympathetic stimulation of the heart. Beta-adrenergic activity was manipulated pharmacologically in 9 healthy men by bolus infusion of isoproterenol in each of six doses: 0.1, 0.25, 0.5, 1.0, 2.0, an...

journal_title：Psychophysiology

authors： Contrada RJ,Dimsdale J,Levy L,Weiss T

更新日期：1991-07-01 00:00:00

abstract：:Gambling has longstanding links with excitement and physiological arousal, but prior research has not considered (a) gamblers' ability to detect internal physiological signals, or (b) markers of parasympathetic functioning. The present study measured interoception in individuals with gambling disorder, using self-repo...

journal_title：Psychophysiology

authors： Kennedy D,Goshko CB,Murch WS,Limbrick-Oldfield EH,Dunn BD,Clark L

更新日期：2019-06-01 00:00:00

abstract：:In a previous study, deviance in the reaction time (RT) distribution of saccades for patients with schizophrenia was explained using an oculomotor decision model. Here, RTs of visually guided saccades in young healthy men, healthy children, older adults, patients with schizophrenia, and patients with obsessive compuls...

journal_title：Psychophysiology

authors： Theleritis C,Evdokimidis I,Smyrnis N

更新日期：2014-04-01 00:00:00

abstract：:Diurnal and nocturnal trunk and limb motor activity of 20 healthy individuals was evaluated by actimetry for 45 consecutive hours. Sleep was assessed by sleep logs. Overall, motor activity significantly (p < .05) decreased in the order wrist, ankle, and trunk. There was significantly more motor activity in the dominan...

journal_title：Psychophysiology

authors： Middelkoop HA,van Dam EM,Smilde-van den Doel DA,Van Dijk G

更新日期：1997-03-01 00:00:00

abstract：:The heart rate (HR) can be modulated by diverse mental activities ranging from stimulus anticipation to higher order cognitive information processing. In the present study we report on HR changes during word translation and examine how the HR is influenced by the difficulty of the translation task. Twelve students of ...

journal_title：Psychophysiology

authors： Pfurtscheller G,Grabner RH,Brunner C,Neuper C

更新日期：2007-09-01 00:00:00

abstract：:Startle blink as well as skin conductance responses (SCR) are widely used indices of learning processes associated with fear conditioning and extinction. During safety learning, the amygdala is under top-down inhibitory control by the prefrontal cortex (PFC). The capacity of the PFC to exert inhibitory control over su...

journal_title：Psychophysiology

authors： Wendt J,Neubert J,Koenig J,Thayer JF,Hamm AO

更新日期：2015-09-01 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：:To investigate the mechanisms by which oxytocin improves socioaffective processing, we measured behavioral and pupillometric data during a dynamic facial emotion recognition task. In a double-blind between-subjects design, 47 men received either 24 IU intranasal oxytocin (OXT) or a placebo (PLC). Participants in the O...

journal_title：Psychophysiology

authors： Prehn K,Kazzer P,Lischke A,Heinrichs M,Herpertz SC,Domes G

更新日期：2013-06-01 00:00:00

abstract：:Temporal expectations aid performance by allowing the optimization of attentional readiness at moment of highest target probability. Reward enhances cognitive performance through its action on preparatory and reactive attentional processes. To elucidate how motivation interacts with mechanisms of implicit temporal att...

journal_title：Psychophysiology

authors： Massar SAA,Sasmita K,Lim J,Chee MWL

更新日期：2018-12-01 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：: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：:Recent event-related potential (ERP) studies indicate that antisocial and psychopathic behavior is in some circumstances characterized by heightened attentional processes. This prospective study assesses whether ERP measures of attention recorded in adolescence are capable of predicting criminality status in adulthood...

journal_title：Psychophysiology

authors： Raine A,Venables PH,Williams M

更新日期：1990-09-01 00:00:00

abstract：:This study investigated the relationship between autonomic cardiovascular reactivity and cardiac awareness during the following conditions: baseline, emotional picture viewing, mental stress, and heartbeat tracking. Cardiac parameters were examined by using power spectrum analysis of heart rate variability and impedan...

journal_title：Psychophysiology

authors： Herbert BM,Pollatos O,Flor H,Enck P,Schandry R

更新日期：2010-03-01 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：:Despite the burgeoning literature using facial electromyography (EMG) to study cognitive and emotional processes, the psychometric properties of facial EMG measurement have received little attention. Two experiments were conducted to assess the reliability and validity of facial EMG as a measure of specific facial act...

journal_title：Psychophysiology

authors： Tassinary LG,Cacioppo JT,Geen TR

更新日期：1989-01-01 00:00:00

abstract：:Our previous event-related brain potential (ERP) results suggest that during selective listening, relevant stimuli are selected for further processing by comparing each stimulus to an "attentional trace," a neuronal representation of the physical features of the relevant stimuli that distinguish them from the irreleva...

journal_title：Psychophysiology

authors： Alho K,Lavikainen J,Reinikainen K,Sams M,Näätänen R

更新日期：1990-01-01 00:00:00

abstract：:The present study examined the mechanisms underlying stimulus sequence effects on the parietal P300 and frontal P3a elicited by infrequent targets in an oddball paradigm and compared these effects between young and older adults. Fifty young and 50 healthy older adults completed a simple visual oddball task including a...

journal_title：Psychophysiology

authors： Kamp SM

更新日期：2020-07-01 00:00:00

abstract：:We describe a simple method for computer quantification of eye movement (EM) potentials during REM sleep. This method can be applied by investigators using either period-amplitude (PA) or Fast Fourier Transform (FFT) spectral EEG analysis without special hardware or computer programming. It provides good correlations ...

journal_title：Psychophysiology

authors： Tan X,Campbell IG,Feinberg I

更新日期：2001-05-01 00:00:00

abstract：:Video games are enjoyed most when the level and speed of the game match the players' skills. An optimal balance between challenges and skills triggers the subjective experience of "flow," a focused motivation leading to a feeling of spontaneous joy. The present research investigates the behavioral and neural correlate...

journal_title：Psychophysiology

authors： Núñez Castellar EP,Antons JN,Marinazzo D,Van Looy J

更新日期：2019-07-01 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：:Inhibitory gating of response to repeated stimuli is demonstrated by several event-related potentials, including the auditory P50 wave. The present study examined the effects of variation in sound intensity on this phenomenon in schizophrenics and normal subjects. Paired clicks, 500 ms apart, were presented 50 dB abov...

journal_title：Psychophysiology

authors： Griffith J,Hoffer LD,Adler LE,Zerbe GO,Freedman R

更新日期：1995-09-01 00:00:00

abstract：:Identifying neurocognitive processes associated with effective inhibitory control is particularly relevant for individuals at high risk for disruptive behaviors, such as maltreated children. Performance feedback processing during a flanker task was investigated in maltreated preschool-aged children (N = 67) via an eve...

journal_title：Psychophysiology

authors： Roos LE,Pears K,Bruce J,Kim HK,Fisher PA

更新日期：2015-05-01 00:00:00

abstract：:Alertness is a basic psychological function within the construct of attention. The neural basis of alertness has been found in the right frontotemporal cortex and the left ventrolateral prefrontal cortex. The aim of the present study was to establish the measurement of functional brain activity during alertness with f...

journal_title：Psychophysiology

authors： Herrmann MJ,Woidich E,Schreppel T,Pauli P,Fallgatter AJ

更新日期：2008-05-01 00:00:00

abstract：:Working memory (WM) is vulnerable to age-related decline, particularly under high loads. Visual alpha oscillations contribute to WM performance in younger adults, and although alpha decreases in power and frequency with age, it is unclear if alpha activity supports WM in older adults. We recorded electroencephalograph...

journal_title：Psychophysiology

authors： Sghirripa S,Graetz L,Merkin A,Rogasch NC,Semmler JG,Goldsworthy MR

更新日期：2021-02-01 00:00:00

abstract：:The dot-probe task is considered a gold standard for assessing the intrinsic attentive selection of one of two lateralized visual cues, measured by the response time to a subsequent, lateralized response probe. However, this task has recently been associated with poor reliability and conflicting results. To resolve th...

journal_title：Psychophysiology

authors： Thigpen NN,Gruss LF,Garcia S,Herring DR,Keil A

更新日期：2018-06-01 00:00:00

abstract：:The purpose of this study was to determine whether the latencies of two event-related potential (ERP) components, the NA and N400, were sensitive to semantic priming. Subjects performed a semantic judgment task, which was designed in such a way that the N400 could be examined without overlap from the P3. Priming effec...

journal_title：Psychophysiology

authors： Deacon D,Mehta A,Tinsley C,Nousak JM

更新日期：1995-11-01 00:00:00

abstract：:Paced breathing has been criticized for its presumed influences on autonomic and respiratory regulation, among that on respiratory resistance. It has been speculated that excessive pulmonary stretch receptor activation through high tidal volume (V(T)) would be the mechanism underlying such influences. However, the ide...

journal_title：Psychophysiology

authors： Ritz T,Dahme B

更新日期：2009-09-01 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：:This study investigates cognitive resource allocation dependent on fluid and numerical intelligence in arithmetic/algebraic tasks varying in difficulty. Sixty-six 11th grade students participated in a mathematical verification paradigm, while pupil dilation as a measure of resource allocation was collected. Students w...

journal_title：Psychophysiology

authors： Dix A,van der Meer E

更新日期：2015-04-01 00:00:00

abstract：:The present study used delta EEG band to test the hypothesis of a cerebral maturational delay and a functional altered cerebral asymmetry for phonological processing in dyslexic children. A group of 14 children with dyslexia and 28 matched controls participated in a linguistic paradigm in which the same words were pro...

journal_title：Psychophysiology

authors： Penolazzi B,Spironelli C,Angrilli A

更新日期：2008-11-01 00:00:00