abstract：:The present article outlines the contribution of the mismatch negativity (MMN), and its magnetic equivalent MMNm, to our understanding of the perception of speech sounds in the human brain. MMN data indicate that each sound, both speech and nonspeech, develops its neural representation corresponding to the percept of ...

journal_title：Psychophysiology

authors： Näätänen R

更新日期：2001-01-01 00:00:00

abstract：:Behavioral studies have shown that two different morphed faces belonging to the same identity are harder to discriminate than two faces stemming from two different identities. The temporal course of this categorical perception effect has been explored through event-related potentials. Three kinds of pairs were present...

journal_title：Psychophysiology

authors： Campanella S,Hanoteau C,Dépy D,Rossion B,Bruyer R,Crommelinck M,Guérit JM

更新日期：2000-11-01 00:00:00

abstract：:The mechanism underlying acute changes in secretory immunoglobulin A (sIgA) remains to be determined. In this experiment, sIgA and cardiovascular activity were monitored at rest and while participants performed a mental arithmetic task, cold pressor, and submaximal cycle exercise following placebo or 1 mg of the alpha...

journal_title：Psychophysiology

authors： Ring C,Harrison LK,Winzer A,Carroll D,Drayson M,Kendall M

更新日期：2000-09-01 00:00:00

abstract：:Despite the prominence of emotional dysfunction in psychopathology, relatively few experiments have explicitly studied emotion regulation in adults. The present study examined one type of emotion regulation: voluntary regulation of short-term emotional responses to unpleasant visual stimuli. In a sample of 48 college ...

journal_title：Psychophysiology

authors： Jackson DC,Malmstadt JR,Larson CL,Davidson RJ

更新日期：2000-07-01 00:00:00

abstract：:The partial pressure of carbon dioxide in the arterial blood (PaCO2) is usually tightly regulated, yet it varies among healthy people at rest (range approximately 32-44 mmHg) as well as within an individual during many natural life situations. The present study examined whether modest changes in end-tidal PCO2 (PETCO2...

journal_title：Psychophysiology

authors： Bloch-Salisbury E,Lansing R,Shea SA

更新日期：2000-07-01 00:00:00

abstract：:Event-related potentials (ERPs) were recorded during a visual two-choice reaction time (RT) task in attention-deficit hyperactivity disorder (ADHD) and control boys selected using strict inclusion and exclusion criteria. No group differences were found in mean RT and correct responses. Although early occipital ERPs we...

journal_title：Psychophysiology

authors： Karayanidis F,Robaey P,Bourassa M,De Koning D,Geoffroy G,Pelletier G

更新日期：2000-05-01 00:00:00

abstract：:Emotional reactions to naturally occurring sounds (e.g., screams, erotica, bombs, etc.) were investigated in two studies. In Experiment 1, subjects rated the pleasure and arousal elicited when listening to each of 60 sounds, followed by an incidental free recall task. The shape of the two-dimensional affective space d...

journal_title：Psychophysiology

authors： Bradley MM,Lang PJ

更新日期：2000-03-01 00:00:00

abstract：:If electrodermal activity is recorded with direct current, constant voltage and constant current measurements result in different dependencies of electrodermal reactions on the actual electrodermal level. The present study demonstrates empirically that such a problem does not exist when instead the phase angle changes...

journal_title：Psychophysiology

authors： Schaefer F,Boucsein W

更新日期：2000-01-01 00:00:00

abstract：:We tested the hypothesis that psychopathy is associated with abnormal processing of semantic and affective verbal information. In Task 1, a lexical decision task, and in Task 2, a word identification task, participants responded faster to concrete than to abstract words. In Task 2, psychopaths made more errors identif...

journal_title：Psychophysiology

authors： Kiehl KA,Hare RD,McDonald JJ,Brink J

更新日期：1999-11-01 00:00:00

abstract：:In the context of picture viewing, consistent and specific relationships have been found between two emotion dimensions (valence and arousal) and self-report, physiological and overt behavioral responses. Relationships between stimulus content and the emotion-response profile can also be modulated by the formal proper...

journal_title：Psychophysiology

authors： Simons RF,Detenber BH,Roedema TM,Reiss JE

更新日期：1999-09-01 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：: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：:Temporal stability is an important fundamental quality when measuring sleep parameters, yet it has been infrequently assessed. Generalizability theory was used to estimate the short-term temporal stability of five variables commonly used to characterize insomnia: sleep onset latency, total sleep time, wake after sleep...

journal_title：Psychophysiology

authors： Wohlgemuth WK,Edinger JD,Fins AI,Sullivan RJ Jr

更新日期：1999-03-01 00:00:00

abstract：:The neural mechanisms of deviancy and target detection were investigated by combining high density event-related potential (ERP) recordings with functional magnetic resonance imaging (fMRI). ERP and fMRI responses were recorded using the same paradigm and the same subjects. Unattended deviants elicited a mismatch nega...

journal_title：Psychophysiology

authors： Opitz B,Mecklinger A,Von Cramon DY,Kruggel F

更新日期：1999-01-01 00:00:00

abstract：:Event-related potentials were recorded using color pictures of real objects. Participants made relatedness judgments for pictures that were highly, moderately, or unrelated to a picture of a preceding prime object (Experiment 1) or object identification decisions for related/easily identified, unrelated/easily identif...

journal_title：Psychophysiology

authors： McPherson WB,Holcomb PJ

更新日期：1999-01-01 00:00:00

abstract：:The bandwidth for the recording of the orbicularis oculi blink reflex electromyogram (EMG) response is optimal when low-frequency artifacts, such as motion artifacts and cross-talk from other muscles, are maximally suppressed, whereas true EMG signal power is maximally retained. The optimal bandwidth was investigated ...

journal_title：Psychophysiology

authors： van Boxtel A,Boelhouwer AJ,Bos AR

更新日期：1998-11-01 00:00:00

abstract：:Whether late positive components of event-related potentials (ERPs) parallel changes in heart rate (HR) indicative of attention/orienting to rare stimuli has been debated. In the present study, a three-stimulus design was used, with rare target, rare nontarget, and frequent standard stimuli delivered under identical c...

journal_title：Psychophysiology

authors： Simons RF,Graham FK,Miles MA,Balaban MT

更新日期：1998-09-01 00:00:00

abstract：:Participants in Experiments 1 and 2 performed a discrimination and counting task to assess the effect of lead stimulus modality on attentional modification of the acoustic startle reflex. Modality of the discrimination stimuli was changed across subjects. Electrodermal responses were larger during task-relevant stimul...

journal_title：Psychophysiology

authors： Lipp OV,Siddle DA,Dall PJ

更新日期：1998-07-01 00:00:00

abstract：:The characteristics of mismatch negativity (MMN) elicited by dichotic stimulation were examined using frequency-deviant stimuli presented to the right, to the left, or to both sides. The experiment was run twice, once using earphones and once using loudspeakers in free field. With both modes of stimulation, deviants p...

journal_title：Psychophysiology

authors： Deouell LY,Bentin S,Giard MH

更新日期：1998-07-01 00:00:00

abstract：:A sensitive electronic monitor (Mini-Motionlogger, Ambulatory Monitoring Inc.) attached to the wrist was used to record movements during two 24-hr days of ambulatory blood pressure (BP) and heart rate (HR) recording in 65 women and 54 men between the ages of 55 and 79 years, all of whom were in good health. The object...

journal_title：Psychophysiology

authors： Shapiro D,Goldstein IB

更新日期：1998-05-01 00:00:00

abstract：:As we continue to elucidate relationships between neural structures and cognitive functioning in this Decade of the Brain, it is important not to lose sight of the larger context. The brain is but one component of the complex system that is the body. We take in information and interact with the world through our bodie...

journal_title：Psychophysiology

authors： Kutas M,Federmeier KD

更新日期：1998-03-01 00:00:00

abstract：:Psychophysiological "preparatory" responses may or may not depend on a focused expectation of when a stimulus will occur. Changes in heart rate, pupillary diameter, and brain potentials were examined during trials in which foreperiod of a simple reaction time (RT) task was fixed or unpredictable. Trials were also incl...

journal_title：Psychophysiology

authors： Jennings JR,van der Molen MW,Steinhauer SR

更新日期：1998-01-01 00:00:00

abstract：:Recent research has suggested that cardiovascular recovery from stress can play a potential role in hypertension pathogenesis. Sixty-nine studies were included in a meta-analytic review to evaluate the effect of various hypertension risk factors (e.g., race, lack of exercise) on cardiovascular recovery from stress. Sm...

journal_title：Psychophysiology

authors： Schuler JL,O'Brien WH

更新日期：1997-11-01 00:00:00

abstract：:The event-related potential (ERP) effects of visual spatial attention and letter target detection for stimuli presented against a (nonisoluminant) dark background or against an isoluminant grey background were investigated. The goal was to study how the perceptual variable of luminance would influence early ERP reflec...

journal_title：Psychophysiology

authors： Wijers AA,Lange JJ,Mulder G,Mulder LJ

更新日期：1997-09-01 00:00:00

abstract：:Sensitivity to heartbeat sensations is commonly assessed using tasks that require individuals to judge the simultaneity of heartbeats and tones. In two experiments, we investigated the suitability of this paradigm for examining cardioception. In the first experiment, participants judged the simultaneity of near-thresh...

journal_title：Psychophysiology

authors： Knapp K,Ring C,Brener J

更新日期：1997-07-01 00:00:00

abstract：:A frequency domain generalization of the classical quadratic discriminant function was applied to the problem of classifying alpha-band multichannel electroencephalogram recordings in three task conditions. The data consisted of 41-channel recordings obtained in eyes closed, verbal, and spatial task conditions. Classi...

journal_title：Psychophysiology

authors： Lind JC,Koles ZJ,Flor-Henry P,Soong AC

更新日期：1997-05-01 00:00:00

abstract：:A deviant sound in a sequence of standard sounds elicits a neuromagnetic mismatch field (MMF) reflecting change detection based on the auditory sensory memory trace. To illuminate the nature of this trace, we investigated the effects of white noise and music maskers on the MMF. The stimuli were delivered to the partic...

journal_title：Psychophysiology

authors： Levänen S,Sams M

更新日期：1997-05-01 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 effects on cardiovascular reactivity of incentive to influence the judgements of the experimenter and the threat of social evaluation were examined in a sample of 60 male and 60 female undergraduates. Participants either were guaranteed $5.00 to prepare and deliver a brief speech or were told that the money was co...

journal_title：Psychophysiology

authors： Smith TW,Nealey JB,Kircher JC,Limon JP

更新日期：1997-01-01 00:00:00

abstract：:Event-related potentials were recorded from participants 5-7, 9-11, 14-16, and 22-28 years old during an auditory novelty oddball task. In this task, stimuli about which the participant is not instructed (i.e., novel or uncategorized) typically elicit a more frontally oriented P3 scalp topography (novelty P3). In cont...

journal_title：Psychophysiology

authors： Cycowicz YM,Friedman D,Rothstein M

更新日期：1996-11-01 00:00:00

abstract：:Event-related potentials (ERPs) were recorded in 19 healthy subjects as they completed two Sternberg (1969, American Scientist, 57, 421-457) memory tests. In separate sessions, either single digits (i.e., 0-9) or 10 abstract figures were used as stimuli. In both sessions, memory set sizes were 1 (M1), 2 (M2), or 4 (M4...

journal_title：Psychophysiology

authors： Kotchoubey BI,Jordan JS,Grözinger B,Westphal KP,Kornhuber HH

更新日期：1996-09-01 00:00:00

abstract：:The amplitude of the late pain-related negative-positive peak complex, which we have labeled SP3 (134-150 ms) and SP6 (277-331 ms), respectively, increased with increasing interstimulus interval (ISI). This contrasts with the nociceptive spinal withdrawal reflex and subjective pain rating data, which implied that noci...

journal_title：Psychophysiology

authors： Dowman R

更新日期：1996-07-01 00:00:00

abstract：:Al Ax's contributions to psychology and psychophysiology span almost 40 years. He had many colleagues with whom he communicated openly and generously about his early psychophysiological research. One of these, John Stern, comments below. Joanne Fetzner, a close associate of Al's during his years as director of the Psy...

journal_title：Psychophysiology

authors： Stern J

更新日期：1996-05-01 00:00:00

abstract：:We conducted a comprehensive examination of the sensory visual event-related potential (ERP) of psychiatric patients and their relatives using a methodology that improves upon those used previously by other investigators. One hundred thirty-five patients at the onset of their first psychotic episode, 146 first-degree ...

journal_title：Psychophysiology

authors： Katsanis J,Iacono WG,Beiser M

更新日期：1996-05-01 00:00:00

abstract：:The effects of six voluntarily adopted emotional facial expressions on heart rate, respiration, emotional report, and effort ratings were examined. The results indicate that the facial expressions that were most difficult to produce (anger, fear, and sadness) showed larger cardiac accelerations than those that were ea...

journal_title：Psychophysiology

authors： Boiten F

更新日期：1996-03-01 00:00:00

abstract：:Blood pressure is one of the most commonly recorded functions in physiology and medicine, and it has become a major variable in recent psychophysiological and behavioral medicine research. Many methods have been developed for the measurement of blood pressure in clinical, laboratory, and natural settings. The broad ob...

journal_title：Psychophysiology

authors： Shapiro D,Jamner LD,Lane JD,Light KC,Myrtek M,Sawada Y,Steptoe A

更新日期：1996-01-01 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：: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：:In the present study, we compared the performance of normal subjects in three age groups and of medicated Parkinson's disease patients on auditory selective attention processes. Two tone sequences were dichotically presented. Subjects responded to deviant tones in the attended location. Event-related potentials (ERPs)...

journal_title：Psychophysiology

authors： Karayanidis F,Andrews S,Ward PB,Michie PT

更新日期：1995-07-01 00:00:00

abstract：:Twenty-four young and 24 middle-aged academics carried out a language recognition task in which sentences were presented that made either a high or a low demand on working memory (WM). The sentences ended either normally (i.e., congruent) or with an incongruous word. Middle-aged subjects had smaller WM scores, a margi...

journal_title：Psychophysiology

authors： Gunter TC,Jackson JL,Mulder G

更新日期：1995-05-01 00:00:00