Psychophysiology

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The Startle Eyeblink Response to Low Intensity Acoustic Stimuli
Psychophysiology - Tập 28 Số 3 - Trang 296-306 - 1991
Terry D. Blumenthal, Christopher T. Goode
ABSTRACTFour experiments were conducted to investigate the acoustic startle response to stimuli of low intensities. Eyeblink responses (integrated EMG from orbicularis oculi) were measured from male and female college students. Experiment 1 compared tone and noise stimuli varying in intensity (50 and 60 dB(A) SPL), with noise stimuli producing greater response ampl...... hiện toàn bộ
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
Blink Activity in a Discrimination Task as a Function of Stimulus Modality and Schedule of Presentation
Psychophysiology - Tập 22 Số 6 - Trang 629-635 - 1985
Robert E. Goldstein, Larry C. Walrath, John A. Stern, Barbara D. Strock
ABSTRACTEyeblink performance parameters were investigated in subjects engaged in a series of duration discrimination tasks differing in modality (visual vs. auditory) and presentation schedule (fixed vs. variable). Visual tasks were associated with slower blink rates and shorter blink durations than auditory tasks. Sensitivity measures suggested that this differenc...... hiện toàn bộ
The Objective Use of Multiple Physiological Indices in the Detection of Deception
Psychophysiology - Tập 9 Số 6 - Trang 578-588 - 1972
Robert J. Cutrow, Arthur Parks, Nelson Lucas, Kathryn Thomas
ABSTRACTPsychophysiological measures—breathing amplitude (BA), breathing cycle time (BCT), eyeblink rate (EBR), eyeblink latency (EBL), finger pulse volume (FPV), heart rate (HR), palmar galvanic skin response (GSRp), volar‐forearm galvanic skin response (GSRv), and voice latency (VL)—were evaluated for effectiveness in det...... 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
The time course of pupil dilation evoked by visual sexual stimuli: Exploring the underlying ANS mechanisms
Psychophysiology - Tập 54 Số 10 - Trang 1444-1458 - 2017
Johannes B. Finke, Christian Eric Deuter, Xenia Hengesch, Hartmut Schächinger
AbstractThe early processing of visual sexual stimuli shows signs of automaticity. Moreover, there is evidence for sex‐specific patterns in cognitive and physiological responding to erotica. However, little is known about the time course of rapid pupillary responses to sexual stimuli and their correspondence with other measures of autonomic activity in women and me...... hiện toàn bộ
The pupil as a measure of emotional arousal and autonomic activation
Psychophysiology - Tập 45 Số 4 - Trang 602-607 - 2008
Margaret M. Bradley, Laura Miccoli, Miguel A. Escrig, Peter J. Lang
AbstractPupil diameter was monitored during picture viewing to assess effects of hedonic valence and emotional arousal on pupillary responses. Autonomic activity (heart rate and skin conductance) was concurrently measured to determine whether pupillary changes are mediated by parasympathetic or sympathetic activation. Following an initial light reflex, pupillary ch...... hiện toàn bộ
Pupil dilation indicates the coding of past prediction errors: Evidence for attentional learning theory
Psychophysiology - Tập 55 Số 4 - 2018
Stephan Koenig, Metin Uengoer, Harald Lachnit
AbstractThe attentional learning theory of Pearce and Hall ( hiện toàn bộ
Significance Testing of Difference Potentials
Psychophysiology - Tập 28 Số 2 - Trang 240-244 - 1991
Donald Guthrie, Jennifer S. Buchwald
ABSTRACTThis note provides a statistical‐graphical method for the evaluation of the statistical significance of difference potentials from a group of subjects, and for the comparison of difference potentials between two groups. A table of the lengths of statistically significant intervals for various sampling interval lengths, numbers of subjects, and autocorrelati...
The Continuing Problem of False Positives in Repeated Measures ANOVA in Psychophysiology: A Multivariate Solution
Psychophysiology - Tập 24 Số 4 - Trang 479-486 - 1987
Michael W. Vasey, Julian F. Thayer
ABSTRACTViolation of the validity assumptions of repeated measures analysis of variance continues to be a problem in psychophysiology. Such violation results in positive bias for those tests involving the repeated measures factor(s), Recently it has been shown that the tests of simple interactions and multiple comparisons are even more vulnerable to bias (Boik. 198...... hiện toàn bộ
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