Psychophysiology

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Cerebral event‐related potentials associated with selective attention to color: Developmental changes from childhood to adulthood
Psychophysiology - Tập 35 Số 3 - Trang 227-239 - 1998
Odin van der Stelt, Albert Kok, Fren T.Y. Smulders, J. Snel, W. Boudewijn Gunning
Event‐related potentials were recorded from 80 participants ranging in age from 7 to 24 years while they attended selectively to stimuli with a specified color (red or blue) in an attempt to detect the occurrence of target stimuli. Color attention effects were identified as frontal selection positivity (FSP; 140–275 ms), selection negativity (SN; 150–300 ms), and N2b (200–450 ms), whereas ...... hiện toàn bộ
The influence of mental fatigue on brain activity: Evidence from a systematic review with meta‐analyses
Psychophysiology - Tập 57 Số 5 - 2020
Yvonne Tran, Ashley Craig, Rachel Craig, Rifai Chai, Hung T. Nguyen
AbstractThe occurrence of mental fatigue during tasks like driving a vehicle increases risk of injury or death. Changes in electroencephalographic (EEG) activity associated with mental fatigue has been frequently studied and considered a promising biomarker of mental fatigue. This is despite differences in methodologies and outcomes in prior research. A systematic ...... hiện toàn bộ
Assessment of the role of the cochlear latency effect in lateralization of click sounds in humans
Psychophysiology - Tập 46 Số 4 - Trang 797-806 - 2009
Bülent Özmen, Pekcan Ungan
AbstractInteraural time and intensity disparities (ITD and IID) are the two cues to sound lateralization. “Time‐only” hypothesis claims that an IID is first converted to an interaural afferent delay (Δt), and is then processed by the central ITD mechanism, rendering a separate IID processor unnecessary. We tested this hypothesis by assess...... hiện toàn bộ
Locating NREM Dreaming Through Instrumental Responses
Psychophysiology - Tập 15 Số 1 - Trang 35-39 - 1978
Judith N. Brown, Rosalind Cartwright
ABSTRACTOne difficulty associated with the study of dreams has been the absence of an objective indicator of dreaming in sleep other than REM. This study explores the use of a subjective judgment and instrumental response to mark the occurrence of dreams. Content reports of 8 subjects collected under two conditions were compared. On 2 nights the experimenter determ...... hiện toàn bộ
Regional cerebral blood flow correlates with heart period and high‐frequency heart period variability during working‐memory tasks: Implications for the cortical and subcortical regulation of cardiac autonomic activity
Psychophysiology - Tập 41 Số 4 - Trang 521-530 - 2004
Peter J. Gianaros, Frederik M. van der Veen, J. Richard Jennings
AbstractThe aim of the present study was to characterize the functional relationships between behaviorally evoked regional brain activation and cardiac autonomic activity in humans. Concurrent estimates of regional cerebral blood flow (rCBF; obtained by positron emission tomography), heart period, and high‐frequency heart period variability (HF‐HPV; an indicator of...... hiện toàn bộ
Cardiac vagal activity during psychological stress varies with social functioning in older women
Psychophysiology - Tập 45 Số 6 - Trang 1046-1054 - 2008
Victoria Bruno Egizio, J. Richard Jennings, Israel C. Christie, Lei K. Sheu, Karen A. Matthews, Peter J. Gianaros
AbstractThe polyvagal theory states that social behavior is linked to cardiac vagal control. This theory has been tested widely in infants and children, but less so in adults. Thus, we examined if resting or stress‐related changes in high‐frequency heart rate variability (HF‐HRV; a presumed index of vagal control) varied with social functioning in 50 healthy women ...... hiện toàn bộ
Mismatch negativity in dichotic listening: Evidence for interhemispheric differences and multiple generators
Psychophysiology - Tập 35 Số 4 - Trang 355-365 - 1998
Leon Y. Deouell, Shlomo Bentin, M GIARD
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 presented in the left, right, or both ears, or tones that were switched be...... hiện toàn bộ
Preattentive extraction of abstract feature conjunctions from auditory stimulation as reflected by the mismatch negativity (MMN)
Psychophysiology - Tập 38 Số 2 - Trang 359-365 - 2001
Petri Paavilainen, Jaana Simola, Maria Jaramillo, Risto Näätänen, István Winkler
Brain mechanisms extracting invariant information from varying auditory inputs were studied using the mismatch‐negativity (MMN) brain response. We wished to determine whether the preattentive sound‐analysis mechanisms, reflected by MMN, are capable of extracting invariant relationships based on abstract conjunctions between two sound features. The standard stimuli varied over a large range...... hiện toàn bộ
Effect sizes and p values: What should be reported and what should be replicated?
Psychophysiology - Tập 33 Số 2 - Trang 175-183 - 1996
Anthony G. Greenwald, Richard Gonzalez, Richard Harris, Donald Guthrie
AbstractDespite publication of many well‐argued critiques of null hypothesis testing (NHT). behavioral science researchers continue to rely heavily on this set of practices. Although we agree with most critics' catalogs of NHT's flaws, this article also takes the unusual stance of identifying virtues that may explain why NHT continues to he so extensively used. The...... hiện toàn bộ
Optimal EMG signal bandwidth and interelectrode distance for the recording of acoustic, electrocutaneous, and photic blink reflexes
Psychophysiology - Tập 35 Số 6 - Trang 690-697 - 1998
A. van Boxtel, A.J.W. Boelhouwer, A.R. Bos
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 for acoustic, electrocutaneous, and photic blink reflexes. Reflexes were ...... hiện toàn bộ
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