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. Finke1, Christian Eric Deuter2, Xenia Hengesch1, Hartmut Schächinger1
1Department of Clinical Psychophysiology, Institute of Psychobiology, University of Trier, Trier, Germany
2Department of Psychiatry and Psychotherapy, Charité University Medical Center, Berlin, Germany

Tóm tắt

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 men. To study pupil dilation as an implicit measure of sexual arousal at various stages of picture processing, we presented 35 heterosexual participants with pictures showing either erotic couples or single (male/female) erotic nudes, contrasted with people involved in everyday situations. Brightness‐adjusted grayscale pictures were shown for a duration of 2,500 ms within the central visual field, alternating with perceptually matched patches. Left pupil diameter was recorded at 500 Hz using a video‐based eye tracker. Skin conductance and heart rate were coregistered and correlated with latent components of pupil dilation (dissociated by temporal PCA). Whereas stimulus‐evoked changes in pupil size indicated virtually no initial constriction, a rapid effect of appetence emerged (dilation to erotica within 500 ms). Responses at early stages of processing were remarkably consistent across both sexes. In contrast, later phases of pupil dilation, subjective ratings, and skin conductance responses showed a sex‐specific pattern. Moreover, evidence for an association of early‐onset pupil dilation and heart rate acceleration was found, suggestive of parasympathetic inhibition, whereas the late component was mainly related to sympathetically mediated skin conductance. Taken together, our results indicate that different temporal components of pupil responses to erotic stimuli may reflect divergent underlying neural mechanisms.

Từ khóa


Tài liệu tham khảo

10.1146/annurev.neuro.28.061604.135709

10.18637/jss.v067.i01

10.1037/0033-2909.91.2.276

10.1037/0033-295X.98.4.459

10.1016/j.ijpsycho.2003.12.006

10.1111/psyp.12442

10.1111/j.1469-8986.2008.00654.x

10.1080/00926230600998458

10.1080/713847101

10.1016/S0301-0511(99)00048-4

10.1016/j.biopsycho.2004.12.002

10.1111/j.0956-7976.2004.00750.x

10.1007/s10508-009-9556-9

10.1111/j.1743-6109.2011.02541.x

10.1016/j.jsxm.2016.03.351

Dawson M. E., 2007, The electrodermal system, Handbook of Psychophysiology, 2, 200

10.1016/j.biopsycho.2015.11.008

10.1007/s10508-015-0609-y

10.1111/j.1469-8986.1978.tb01422.x

10.1073/pnas.96.19.10911

10.1037/1082-989X.3.4.486

10.1111/psyp.12236

10.1037/h0021978

10.1007/s10919-007-0043-5

10.1046/j.1440-1681.1999.02995.x

10.1080/00224490009552016

10.1016/j.neuron.2015.11.028

10.1371/journal.pone.0107795

10.1167/16.3.28

10.1152/ajpheart.1999.277.6.H2233

10.1177/1745691611427305

Lang P. J. Bradley M. M. &Cuthbert B. N.(2008). International Affective Picture System (IAPS): Affective ratings of pictures and instruction manual.Technical report A‐8. Gainesville FL: University of Florida.

10.1152/ajpheart.00256.2003

Loewenfeld I. E., 1993, The pupil: Anatomy, physiology, and clinical applications

10.1007/s10508-007-9208-x

10.1016/S0165-1838(96)00095-1

10.1016/S0002-9149(00)00889-4

10.1111/j.1469-8986.2010.01057.x

10.1007/s10508-012-9911-0

10.1007/s10508-006-9145-0

10.1016/j.biopsycho.2014.11.009

10.1007/s10508-007-9217-9

10.1007/s00276-011-0889-4

10.1016/j.physbeh.2017.01.017

10.1037/0021-9010.72.1.146

10.1023/B:ASEB.0000028890.08687.94

10.1111/j.1469-8986.2011.01271.x

10.1111/j.1749-6632.1992.tb22845.x

10.1016/j.ijpsycho.2003.12.005

10.1046/j.1365-2826.1998.00254.x

Wessa M., 2010, EmoPicS: Subjective and psychophysiological evaluation of new imagery for clinical biopsychological research [Supplement], Z. Klin. Psychol. Psychother, 1, 11

10.1002/dev.21377

10.3758/BRM.42.3.671

10.1037/h0030923

Thông tin
Thông tin xuất bản

Psychophysiology

Tập 54 Số 10

1444-1458

Thông tin tác giả