Gruppledare

Stefan Wiens, professor i psykofysiologi
e-post: sws@psychology.su.se
tel: 08-16 39 33

Forskningsbeskrivning

 
EEG i labbet
EEG i labbet
 

Forskargruppen studerar effekter av emotion på uppmärksamhet och medvetande. Exempelvis studeras om emotionella bilder kan helt ignoreras och om emotionell bearbetning sker även om deltagare inte är medvetna om bildinnehåll. Vi använder oss av experimentalpsykologiska manipulationer (backward masking, binocular rivalry, perceptual load, working memory load) i kombination med periferpsykofysiologiska mått (hudkonduktans, puls med mera) och elektroencefalografi (EEG).

Medarbetare

Joakim Norberg, doktorand
Anders Sand, doktorand
Henrik Nordström, forskningsassistent
Elmeri Syrjänen, forskningsassistent

Finansiering

Vetenskapsrådet (VR)
Stockholm Brain Institute

Aktuella publikationer

Lovén, J., Rehnman, J., Wiens, S., Lindholm, T., Peira, N., & Herlitz, A. (in press). Who are you looking at? The influence of face gender on visual attention and memory for own- and other-race faces. Memory.

Olofsson, J. K., Gospic, K., Petrovic, P., Ingvar, M., & Wiens, S. (2011). Effects of oxazepam on affective perception, recognition and event-related potentials. Psychopharmacology, 215(2), 301-309. doi: 10.1007/s00213-010-2141-z

Peira, N., Golkar, A., Öhman, A., Anders, S., & Wiens, S. (2011). Emotional responses in spider fear are closely related to picture awareness. Cognition & Emotion, in press. doi: 10.1080/02699931.2011.579087

Sand, A., & Wiens, S. (2011). Processing of unattended, simple negative pictures resists perceptual load. Neuroreport, 22(7), 348-352. doi: 10.1097/WNR.0b013e3283463cb1

Tillman, C. M., & Wiens, S. (2011). Behavioral and ERP indices of response conflict in stroop and flanker tasks. Psychophysiology, 48(10), 1405-1411. doi: 10.1111/j.1469-8986.2011.01203.x

Wiens, S., Sand, A., & Olofsson, J. K. (2011). Nonemotional features suppress early and enhance late emotional electrocortical responses to negative pictures. Biological Psychology, 86(1), 83-89. doi: 10.1016/j.biopsycho.2010.11.001

Wiens, S., Molapour, T., Overfeld, J., & Sand, A. (2011). High negative valence does not protect emotional event-related potentials from spatial inattention and perceptual load. Cognitive, Affective & Behavioral Neuroscience, in press. doi: 10.3758/s13415-011-0072-8

Wiens, S., Sand, A., Norberg, J., & Andersson, P. (2011). Emotional event-related potentials are reduced if negative pictures presented at fixation are unattended. Neuroscience Letters, 495, 178-182. doi: 10.1016/j.neulet.2011.03.042

Alvarsson, J. J., Wiens, S., & Nilsson, M. E. (2010). Stress recovery during exposure to nature sound and environmental noise. International Journal of Environmental Research and Public Health, 7(3), 1036-1046. doi: 10.3390/ijerph7031036

Norberg, J., Peira, N., & Wiens, S. (2010). Never mind the spider: Late positive potentials to phobic threat at fixation are unaffected by perceptual load. Psychophysiology, 47(6), 1151-1158. doi: 10.1111/j.1469-8986.2010.01019.x

Olofsson, J. K., Nordin, S., Wiens, S., Hedner, M., Nilsson, L. G., & Larsson, M. (2010). Odor identification impairment in carriers of ApoE-varepsilon4 is independent of clinical dementia. Neurobiology of Aging, 31(4), 567-577. doi: 10.1016/j.neurobiolaging.2008.05.019

Peira, N., Golkar, A., Larsson, M., & Wiens, S. (2010). What you fear will appear: Detection of schematic spiders in spider fear. Experimental Psychology, 57(6), 470-475. doi: 10.1027/1618-3169/a000058

Anders, S., Eippert, F., Wiens, S., Birbaumer, N., Lotze, M., & Wildgruber, D. (2009). When seeing outweighs feeling: A role for prefrontal cortex in passive control of negative affect in blindsight. Brain, 132(11), 3021-3031. doi: 10.1093/brain/awp212

Maurex, L., Zaboli, G., Wiens, S., Åsberg, M., Leopardi, R., & Öhman, A. (2009). Emotionally controlled decision-making and a gene variant related to serotonin synthesis in women with borderline personality disorder. Scandinavian Journal of Psychology, 50(1), 5-10. doi: 10.1111/j.1467-9450.2008.00689.x

Gavazzeni, J., Wiens, S., & Fischer, H. (2008). Age effects to negative arousal differ for self report and electrodermal activity. Psychophysiology, 45, 148-151.

Wiens, S., Peira, N., Golkar, A., & Öhman, A. (2008). Recognizing masked threat: Fear betrays, but disgust you can trust. Emotion, 8(6), 810-819. doi: 10.1037/a0013731

Gray, M. A., Harrison, N. A., Wiens, S., & Critchley, H. D. (2007). Modulation of emotional appraisal by false physiological feedback during fMRI. PLoS One, 2(6), e546.

Wiens, S. (2007). Concepts of visual consciousness and their measurement. Advances in Cognitive Psychology, 3(1-2), 349-359.

Wiens, S., & Öhman, A. (2007). Probing unconscious emotional processes: On becoming a successful masketeer. In J. A. Coan & J. J. B. Allen (Eds.), The Handbook of Emotion Elicitation and Assessment (pp. 65-90): Oxford University Press.

Wiens, S. (2006). Current concerns in visual masking. Emotion, 6(4), 675-680.

Wiens, S. (2006). Remain aware of awareness [Correspondence]. Nature Reviews Neuroscience, 6(3). Retrieved from www.nature.com/nrn/journal/v6/n3/full/nrn1630-c1.html doi:www.nature.com/nrn/journal/v6/n3/full/nrn1630-c1.html

Wiens, S. (2006). Subliminal emotion perception in brain imaging: Findings, issues, and recommendations. Progress in Brain Research, 156, 105-121.

Wiens, S. (2005). Interoception in emotional experience. Current Opinion in Neurology, 18(4), 442-447.

Wiens, S., & Öhman, A. (2005). Visual masking in magnetic resonance imaging. NeuroImage, 27(2), 465-467.