Department of Psychology

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Lecturer and Senior Researcher (Akad. Rat. a. Z.)

Postal Address

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Office-Hour

By Agreement

Research

Perception, Attention, and mental states of arousal and relaxation

• Alertness, arousal, and urgency in decision-making and action (Poth, 2021, eLife; Überblick: Poth, 2025, Journal of Cognition)
• Visual perception and attention (Poth & Schneider, 2024, iScience; Poth & Schneider, 2018, Acta Psych)
• Subjective states of relaxation (Steghaus & Poth, 2022, Scientific Reports; Steghaus & Poth, 2024, PloS ONE)

Experiment-based diagnostics for clinical psychology and neuropsychology

• Assessing attention using psychophysics and virtual reality (Foerster/Poth et al., 2016, Scientific Reports; Foerster et al., 2019, Neuropsych)
• Eye-tracking in neuropsychological assessments (Recker et al., 2022, PLoS ONE; Recker & Poth, 2024, Journal of Vision)

 

CV

Scientific Education

01.2014 – 01.2017: Dr. rer. nat. (summa cum laude), Department of Psychology, Bielefeld University

01.2014 – 01.2017: PhD-Studies Intelligent Systems, Graduate School of the Cluster of Excellence Cognitive Interaction Technology und Technische Fakultät, Bielefeld University

10.2011 – 09.2013: Master of Science in Psychology (1.0), Department of Psychology, Bielefeld University

11.2012 – 02.2013: Student researcher Center for Visual Cognition, University of Copenhagen, Denmark. Supervisors: Prof. Dr. Claus Bundesen and Dr. Anders Petersen

10.2008 – 09.2011: Bachelor of Science in Psychologie (1.3), Department of Psychology, Bielefeld University

Academic Track

Since 10.2019: Senior researcher and lecturer (Akademischer Rat auf Zeit), Department of Psychology, Bielefeld University

2017 – 2019: Post-doctoral researcher, Neuro-cognitive Psychology, Bielefeld University.

01.2014 – 01.2017: Researcher and PhD student, Neuro-cognitive Psychology, Bielefeld University. Supervisor: Prof. Dr. Werner Schneider

Publications

Under review / submitted / in preparation

Poth, C. H., & Dietze, N. (under review). Phasic alertness requires top-down target expectations.

Steghaus, S., & Poth, C. H. (in preparation). Ultra-brief relaxation exercises for stress relief.

Poth, C. H., Albert, J., Gestefeld, B., Schneider, W. X., Plümer, J., Klingebiel, R., Huppertz, H.-J., Ritter, H., Rogalewski, A.*, & Schäbitz, W.-R.* (in preparation). Eye movements reveal hidden impairments of working memory after transient global amnesia. *contributed equally.

Krause, A., & Poth, C. H. (submitted). Urgency elicits stimulus-driven action without limits imposed by motor preparation.

Upcoming

Poth, C. H.*, & Poth, N. L.* (accepted). Spurious Crisis versus Sustainable Science (Commentary). Behavioral and Brain Sciences. *contributed equally.

Selected publications

Poth, C. H., & Krause, A. (2025). The forced-response method: Urgency rediscovered (Commentary). Behavior Research Methods, 57, 263. https://doi.org/10.3758/s13428-025-02788-y

Steghaus, S., & Poth, C. H. (2025). Measuring the Moment: Short-Term Relaxation Effects and the Relaxation State Questionnaire.
European Journal of Health Psychology, 32(3), 175–184. https://doi.org/10.1027/2512-8442/a000181

Krause, A., & Poth, C. H. (2025).  Urgency overpowers cognitive control by amplifying cognitive processing asymmetries. Attention, Perception, & Psychophysics. https://doi.org/10.3758/s13414-025-03102-w

Poth, C. H., & Schneider, W. X. (2025). Vision of objects happens faster and earlier for location than for identity. iScience, 28(2). https://doi.org/10.1016/j.isci.2024.111702

Poth, C. H. (2025). Readiness for Perception and Action: Towards a More Mechanistic Understanding of Phasic Alertness. Journal of Cognition, 8(1), 19.https://doi.org/10.5334/joc.426

Steghaus, S., & Poth, C. H. (2024). Feeling tired versus feeling relaxed: Two faces of low physiological arousal. PloS ONE 19(9): e0310034. https://doi.org/10.1371/journal.pone.0310034

Dietze, N., Horstmann, G., & Poth, C. H. (2024). Alerting effects require the absence of surprise. Acta Psychologica, 245: 104239. https://doi.org/10.1016/j.actpsy.2024.104239

Dietze, N., Recker, L., & Poth, C. H. (2023). Warning signals only support the first action in a sequence. Cognitive Research: Principles and Implications, 8(29). https://doi.org/10.1186/s41235-023-00484-z

Recker, L., & Poth, C. H. (2023). Test-Retest Reliability of eye tracking measures in a computerized Trail-Making-Test. Journal of Vision, 23(8), 15: 1-7. https://doi.org/10.1167/jov.23.8.15

Dietze, N., & Poth, C. H. (2023). Vision rivals audition in alerting humans for fast action. Acta Psychologica, 238: 103991. https://doi.org/10.1016/j.actpsy.2023.103991

Krause, A., & Poth, C. H. (2023). Maintaining eye fixation relieves pressure of cognitive action control. iScience, 26: 107520. https://doi.org/10.1016/j.isci.2023.107520

Steghaus, S., Poth, C.H. (2022). Assessing momentary relaxation using the Relaxation State Questionnaire (RSQ). Scientific Reports, 12:16341. https://doi.org/10.1038/s41598-022-20524-w

Poth, C. H. (2021). Urgency forces stimulus-driven action by overcoming cognitive control. eLife, 10:e73682. https://doi.org/​10.​7554/​eLife.​73682

Niklas Dietze

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Wissenschaftliche Mitarbeiter

Postanschrift

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Sprechstunde

Nach Vereinbarung

Research

• Visuelle Wahrnehmung
• Attentionale Netzwerke
• Augenbewegungen

Publications

• Dietze, N., & Poth, C. H. (2023). Vision rivals audition in alerting humans for fast action. Acta Psychologica. LINK
• Dietze, N., Recker, L., & Poth, C. H. (2023). Warning signals only support the first action in a sequence. Cognitive Research: Principles and Implications. LINK
• Dietze, N., & Poth, C. H. (2022). Phasic alertness is unaffected by the attentional set for orienting. Journal of Cognition. LINK
• Buonocore, A., Dietze, N., & McIntosh, R. D. (2021). Time-dependent inhibition of covert shifts of attention. Experimental Brain Research. LINK

CV

• Since 2020: Scientific associate at the DFG-funded project "Attentional intensity: Phasic alertness in visual perception"
• Since 2020: PhD student at the Department of Psychology, Bielefeld University
• SS 2020: Lecturer for Psychological Methods, Fresenius University of Applied Sciences
• SS 2020: Research assistant, Rhein-Waal University of Applied Sciences
• 2018-2019: M.Sc. Psychological Research, University of Edinburgh
• 2014-2018: B.Sc. Psychology (Work- & Organizational), Rhein-Waal University of Applied Sciences

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Postdoc Researcher

Postal Address

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Office-Hour

By Agreement

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Research

• What can eye movements tell us about visual attention, oculomotor and cognitive functions?
• Can we detect deficits in these functions in patients with neurological disorders based on eye movement patterns?

Publications

Gestefeld, B., Marsman, J. B., & Cornelissen, F. W. (2021). How Free-Viewing Eye Movements Can Be Used to Detect the Presence of Visual Field Defects in Glaucoma Patients. Frontiers in medicine, 8, 689910. doi:10.3389/fmed.2021.689910

Gestefeld, B., Grillini, A., Marsman, J.-B. C., & Cornelissen, F. W. (2020). Using natural viewing behavior to screen for and reconstruct visual field defects. Journal of Vision, 20(9), 11–11.

Gestefeld, B., Koopman, J., Vrijling, A., & Frans, W. (2020). Eye tracking and virtual reality in the rehabilitation of mobility of hemianopia patients: A user experience study. Vision Rehabilitation International, 12(1), 7–20. doi:10.1167/jov.20.9.11

CV

• since 2021: Postdoc AE01 Neurocognitive Psychology, University of Bielefeld
• 2016 – 2020: PhD, University Medical Center Groningen, Netherlands                                               
•  2013 – 2016: Masterstudium Cognitive Science, University of Osnabrueck                              
• 2009 – 2013: Bachelorstudium Cognitive Science, University of Osnabrueck

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Stand-in Professor

Postal Address

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Office-Hour

By Agreement

Research

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Main Research Topics

• Cognitive Aging
• Visual Attention and Memory
• Arousal and Cognitive Performance

Methods

• Psychophysics
• Cognitive Modeling
• Electroencephalography

Grants

• 2014 - 2016: "Determinants of mental capacity", MOBILEX Mobility Grant, Danish Council for Independent Research (Det Frie Forskningsråd) & FP7 EU Marie Skłodowska-Curie Actions COFUND (2.4 mio DKK; ca. 323.000 €).
• 2017 - 2021: "Attention and Memory Components in Everyday Cognitive Problems in Aging" (702483), Individual Global Fellowship, Horizon 2020 EU Marie Skłodowska-Curie Actions (239.861€)

Publications

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Selected Publications

• Wiegand, I., Seidel, C., & Wolfe, J. (2019). Hybrid foraging search in younger and older age. Psychology and Aging, 34(6), 805-820.
• Wiegand, I., & Wolfe, J.M. (2019). Age doesn't matter much: Hybrid visual and memory search is preserved in older age. Aging, Neuropsychology, and Cognition.
• Wiegand, I., & Sander, M.C. (2019). Cue-related processing accounts for age differences in phasic alerting. Neurobiology of Aging, 79, 93-100.
• Wiegand, I., Lauritzen, M.J., Osler, M., Mortensen, E.L., Rostrup, E., Rask, L., Richard, N., Horwitz, A., Benedek, K. Vangkilde, S., & Petersen, A. (2018). EEG correlates of visual shortterm memory in older age vary with adult lifespan cognitive development. Neurobiology of Aging, 62, 210-220.
• Wiegand, I., Napiorkowski, N., Töllner, T., Petersen, A., Habekost, T., Müller, H.J., & Finke, K. (2018). Event-related electroencephalographic lateralizations mark individual differences in spatial and nonspatial visual selection. Journal of Cognitive Neuroscience, 30, 482-497.
• Brosnan, M., Demaria, G., Petersen, A., Dockree, P., Robertson, I.H., & Wiegand, I. (2017). Plasticity of the right-lateralised cognitive reserve network in ageing. Cerebral Cortex, 28, 1749-1759.
• Wiegand, I., Petersen, A., Finke, K., Lansner, J., Bundesen, C., & Habekost, T. (2017). Behavior and brain measures of phasic alerting effects on visual attention. Frontiers in Human Neuroscience, 11, 176.
• Wiegand, I., Töllner, T., Habekost, T., Dyrholm, M., Müller, H.J., & Finke, K. (2014). Distinct neural markers of TVA-based visual processing speed and short-term storage capacity parameters. Cerebral Cortex, 24, 1967-1978.

CV

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• 2010 - 2013: PhD Candidate, LMU Munich
• 2013 - 2016: Postdoctoral Researcher, University of Copenhagen
• since 2016: Research Fellow, Max Planck UCL Centre for Computational Psychiatry and Ageing Research
• 2016 - 2018: Marie Skłodowska-Curie Research Fellow, Brigham & Women's Hospital, Harvard University
• 2018 - 2019: Parental leave
• 2019 - 2020: Stand-in Professor, Bielefeld University

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Former Staff Member

Postal Address

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Find Me Elsewehere

Google Scholar, Research Gate

Software Links

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•  FuncSim: A functionally sequenced scanpath similarity method for comparing and evaluating scanpath similarity based on a task's inherent sequence of functional (action) units
• Virtual Reality Toolboxes: Toolboxes for using virtual reality devices for neuropsychological assessments of visual performance
• MovVis: A movement visualization toolbox

See an Overview

Research

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Research Topics

• Visual attention and action
• Sequential sensorimotor tasks
• Learning, and automatization
• Memory-guided attention
• Scanpaths and scanpath similarity methods
• see the scanpath similarity method FuncSim
• see the movement visualization toolbox MovVis
• Assessment of visual processing capabilities using Virtual Reality devices
• see the VR toolboxes

Peer-Reviewing Activities

Acta Psychologica; Advances in Cognitive Psychology; Annals of the New York Academy of Sciences; Attention, Perception, and Psychophysics; Behavior Research Methods; Cognition; European Conference on Eye Movements (2013, 2015, 2017, 2019); Experimental Brain Research; Journal of Experimental Psychology: Learning, Memory, and Cogntion; Journal of Neurophysiology; Journal of Opthalmology; Journal of Vision; Memory and Cognition; Multimodal Technologies and Interaction; Philosophical Transactions of the Royal Society B: Biological Sciences; Psychological Research; Visual Cognition; Vision; Vision Research

Curriculum Vitae

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Career

• Since January 2019: Coordinator of the research group "Cognitive behavior of humans, animals, and machines: Situation model perspectives" at the ZiF (Center for Interdisciplinary Research), Bielefeld University
• 2013-2018: Project "Learning to attend in sensorimotor tasks" at the DFG-funded Center of Excellence 277 "Center of Excellence - Cognitive Interaction Technology" (CITEC) , Bielefeld University
• 2013: Associative member of the research group "Competition and Priority Control in Mind and Brain: New Perspectives from Task-Driven Vision" of the ZiF (Center for Interdisciplinary Research), Bielefeld University
• 2008-2013: Project "ALIAS: Analyzing Learning, Interaction, and Attention in Speed stacking" at the CITEC

Education

• 2012: Dr. rer. nat., Department of Psychology at Bielefeld University;
• Doctoral thesis on eye movements, attention, and memory processes during sensorimotor learning and automatization.
• 2008-2011: PhD student at the Graduate School of the 'Center of Excellence - Cognitive Interaction Technology' (CITEC), Bielefeld University, Germany. Supervisors: Dr. Elena Carbone (Neuro-Cognitive Psychology), Dr. Thomas Hermann (Ambient Intelligence), Dr. Bettina Bläsing (Biomechanics), Dr. Hendrik Kösling (Neuroinformatics) und Prof. Dr. Werner Schneider (Neuro-Cognitive Psychology).
• 2004-2008: Diploma study program 'Psychology', Bielefeld University, Germany; Thesis on the tone-mimic congruence effect

Memberships and Committees

• 2016-2019: Member of the Scientific Board ("Vorstand") of the Excellence Cluster 'Cognitive Interaction Technology' (funded by the German Excellence Initiative), Bielefeld University
• Since 2014: Member of the Extended Board ("Erweiterter Vorstand") of the Excellence Cluster 'Cognitive Interaction Technology' (funded by the German Excellence Initiative), Bielefeld University
• 2010-2016: Member of the Vision Science Society (VSS)

Award

• third place in the biennial thesis competition 2013 awarded by the Experimental Psychology section (Fachgruppe Allgemeine Psychologie) of The German Psychological Society (Deutschen Gesellschaft für Psychologie DGPs)

• List of Conference Abstracts

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Former Staff Member

Postal Address

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Find Me Elsewhere

Google Scholar, Research Gate

Research

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Research Topics

Overall topic

• Attention, action and perception

Central issues

• Transsaccadic prediction and learning
• Intention- and stimulus-based action control
• Eye movements

Methods

• Experimental studies with healthy adults and patient groups
• Eyetracking
• Eyetracking in Virtual Reality

Grants

• 2016: DFG-Project "Transsakkadische Prädiktion visueller Merkmale: Gewichtung, Geltungsbereich und Generalisierung " (Az. He 6388/1-2; 36 Months)
• 2011: DFG-Project "Transsakkadische Prädiktion bei visueller Suche und Objekterkennung" (together with W. Schneider, Az. He 6388/1-1; 36 Months)

Peer-Reviewing Activities

• Manuscripts: Acta Psychologica, Annals of the New York Academy of Sciences, Attention, Perception, & Psychophysics, Biological Psychology, Brain Research, Brain Topography, Cognition, Consciousness and Cognition, Experimental Brain Research, Experimental Psychology, Frontiers in Cognition, Frontiers in Systems Neuroscience, Journal of Cross-Cultural Psychology, Journal of Experimental Psychology: General, Journal of Experimental Psychology: Human Perception & Performance, Journal of Experimental Psychology: Learning, Memory, & Cognition, Journal of Motor Behavior, Journal of Vision, Memory & Cognition, Neuroimage, Philosophical Transactions of the Royal Society B: Biological Sciences, PLOS ONE, Psychological Research, Psychological Review, Psychonomic Bulletin & Review, The Quarterly Journal of Experimental Psychology, Vision Research, Visual Cognition
• Grants: Deutsche Forschungsgemeinschaft (DFG), Schweizerischer Nationalfonds (SNF), The French National Research Agency (ANR), The German Israeli Foundation for Scientific Research and Development (GIF)

Curriculum Vitae

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Career

Since October 2008: Research Scientist, Neuro-Cognitive Psychology (Allg. Psych. I), Department of Psychology, Bielefeld University, Germany

Education

• 2015 PD, Department of Psychology, Bielefeld University, Germany; Habilitation thesis: Linking perception and action: from targets in the world to goals in the mind
• 2009 Dr. rer. nat. (scl), Department of Psychology at Leipzig University; Doctoral thesis on intention and reactivity in ideomotor learning
• 2005-2008 PhD student, Max Planck Institute for Human Cognitive and Brain Sciences, Munich/Leipzig, Germany, Supervision: Prof. Dr. Wolfgang Prinz, Dr. Florian Waszak
• 1999-2005 Diploma study program 'Psychology', Friedrich Wilhelm University Bonn, Germany

Awards & Honors

• Otto Hahn Medal of the Max Planck Society (2009)
• Fellowship of Studienstiftung des deutschen Volkes (2001-2004)

Activities

• Associate Member of the ZiF research group "Competition and Priority Control in Mind and Brain: New Perspectives from Task-Driven Vision?"
• Organizer of international meeting on "Perception and Action" at ZiF, Bielefeld (with W. Prinz, H. Heuer, P. Wolff, and M. Beisert)

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Former Staff Member

Postal Address

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Research

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Research Topics

• visual attention
• time perception
• psychophysics

Reviews

Advances in Cognitive Psychology, Annals of the New York Academy of Sciences, Consciousness and Cognition, Experimental Brain Research, Journal of Experimental Psychology: Human Perception and Performance, PLoS ONE, Psychological Research, Quarterly Journal of Experimental Psychology

Curriculum Vitae

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•  Since August 2013: Research Scientist, DFG-Project "Transsakkadische Prädiktion bei visueller Suche und Objekterkennung", Neuro-Cognitive Psychology (Allg. Psych. I), Department Psychology, Bielefeld University, Germany
• 2012-2013 Research Scientist, Department of Psychology, Leuphana University Lüneburg, Germany
• 2012 Dr. phil., University of Paderborn, Germany
• 2007-2012 Research Scientist, Cognitive Psychology, University of Paderborn, Germany
• 2002-2007 Diploma Studies Psychology , Bielefeld University, Germany

*13. Juli 1942 †25. Februar 2013

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Mit tiefer Bestürzung und großem Bedauern müssen wir mitteilen, dass Prof. Dr. Odmar Neumann, der diese Arbeitseinheit "Allgemeine Psychologie I" (Neurokognitive Psychologie) viele Jahre leitete, am 25. Februar in Bielefeld verstarb. Sein wissenschaftliches Wirken hat nicht nur einen entscheidenden und bleibenden Beitrag zur internationalen Aufmerksamkeitsforschung hinterlassen, sondern es liefert auch für uns, die aktuelle Arbeitseinheit, den Ansporn dieses Erbe, den Bielefelder "attention-for-action approach", in seinem Geist weiter zu entwickeln.

Im Namen der Allgemeinen Psychologie I,
Prof. Dr. Werner Schneider

With great sorrow and regret we have to announce that Prof. Dr. Odmar Neumann, who for many years was head of this unit "Allgemeine Psychologie I" (Neurokognitive Psychologie), died on February 25, 2013, in Bielefeld. His scientific work not only left an important and lasting contribution to international attention research, but motivates us as the current members of the unit to further develop this heritage, the Bielefeld "attention-for-action approach", according to his spirit.

On behalf of the members of "Allgemeine Psychologie I"
Prof. Dr. Werner Schneider

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PD Dr. Kathrin Finke - LMU München

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Former Staff Member

Postal Address

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Research

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•  transsaccadic learning & prediction

Curriculum Vitae

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•  Since 2016: Scientific associate at the DFG-funded project "Transsakkadische Prädiktion visueller Merkmale: Gewichtung, Geltungsbereich und Generalisierung"
• Since 2016: PhD student at the Department of Psychology, Bielefeld University, and Cluster of Excellence "Cognitive Interaction Technology" (CITEC)
• 2014-2016: M.Sc. Psychology, Bielefeld University
• 2012-2016: Student/scientific research assistant at the unit for Neurocognitive Psychology, Bielefeld University
• 2011-2014: B.Sc. Psychology, Bielefeld University

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Dr. Anna Belardinelli (University of Tübingen)

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Dr. Elena Carbone (Bielefeld University)

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Former Staff Member

Postal Address

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Curriculum Vitae

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• Oktober 1973 Abschlussprüfung zum Ing.(grad.) an der Fachhochschule Bielefeld; Fachrichtung: Elektronik.
• Juli 1979 Abschluss des Diplomstudiums Psychologie an der Universität Bielefeld; Titel der Diplomarbeit: Foveale und periphere Entdeckung von Targets beim visuellen Suchen (gemeinsam mit C. Meinecke).
• Oktober 1979 Einstellung als wissenschaftlicher Angestellter an der Abteilung Psychologie der Universität Bielefeld.
• Februar 1986 Promotion zum Dr. phil. an der Universität Bielefeld. Titel der Dissertation: über Klassifikationsleistungen beim visuellen Suchen. Untersuchungen zur Funktionsgrundlage des Kategorieneffekts.

Publications

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• Meinecke, C. and L. Kehrer (2007). A central performance drop with luminance stimuli requiring spatial integration. Perception & Psychophysics 69(6): 923-9.
• Kehrer, L. & Meinecke, C. (2006). A 'first stage' central performance drop in a Gabor luminance-modulation detection task. Spatial Vision, 19, 427-437.
• Kehrer, L. & Meinecke, C. (2003). A space-variant filter model of texture segmentation: Parameter adjustment guided by psychophysical data. Biological Cybernetics 88,183-200.
• Kehrer, L. & Meinecke, C. (2002). Benutzerfreundliche Konzeption und Gestaltung von Parkleitsystemen. Internationales Verkehrswesen, 54, 93-96.
• Kehrer, L. (1997). The central performance drop in texture segmentation: A simulation based on a spatial filter model. Biological Cybernetics, 77, 297-305.
• Kehrer, L. & Meinecke, C. (1996). Perceptual Organization of Visual Patterns: The Segmentation of Textures. In B. Bridgeman & W. Prinz (Eds.): Handbook of Perception and Action: Vol. 1: Perception, Chapter 2. London: Academic Press.
• Kehrer, L. & Meinecke, C. (1994). Perzeptive Organisation visueller Muster: Die Segmentierung von Texturen. In W. Prinz & B. Bridgeman (Hrsg.): Enzyklopädie der Psychologie, C/II/1, "Wahrnehmung", Kap. 2. Göttingen: Hogrefe.
• Meinecke, C. and L. Kehrer (1994). Peripheral and foveal segmentation of angle textures. Perception & Psychophysics 56(3): 326-334.
• Kehrer, L. & Meinecke, C. (1993). Orientation differences in texture segmentation: Psychophysical data and a spatial filter model. Perception, 22, 71-72.
• Kehrer, L. (1990). Perzeptive Gliederung bei der visuellen Informationsverarbeitung. Bielefelder Beiträge zur Kognitionspsychologie. C. Meinecke and L. Kehrer. Göttingen, Toronto, Zürich, Hogrefe: 109-138.
• Kehrer, L. (1989). Central performance drop on perceptual segregation tasks. Spatial Vision 4: 45-62.
• Kehrer, L. (1987). Perceptual segregation and retinal position. Spatial Vision 2: 247-261.
• Meinecke, C., Kehrer, L., & Prinz, W. (1985). Steuerung visueller Suchprozesse durch Target und Kontextmerkmale. Psychologische Beiträge, 27, 28-47.
• Kehrer, L. (1983). A simple system for displaying alphanumeric characters on an oscilloscope using an AIM-65 microcomputer. Behavior Research Methods and Instrumentation 15: 107-108.
• Prinz, W. and L. Kehrer (1982). Recording detection distances in continuous visual search. Eye movements in perception and cognition. R. Groner and P. Fraisse. Amsterdam, North-Holland.

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Former Staff Member

Postal Address

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Curriculum Vitae

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Education and employment history

• 1978 - 1984 Diploma study program 'Psychology' at Osnabrück University, Germany
• 1985 - 1987 Scientific employee, Unit of Literary Studies at Osnabrück University, Germany
• 1988 - 1990 Creation of the "Initiative for stress reduction and integration" (ISI), Osnabrück, Germany
• since 1990 Scientific employee, Dept. of Psychology, Bielefeld University, Germany
• 1995 Dr. phil., Dept. of Psychology, Bielefeld University, Germany

Reviewer for international Journals

• Advances in Cognitive Psychology
• Consciousness and Cognition
• Journal of Experimental Psychology: Human Perception and Performance
• Perception & Psychophysics
• Psychological Research / Psychologische Forschung
• Psychological Science
• Psychophysiology

Selceted Publications

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•  Klotz, W., Heumann, M., Ansorge, U., & Neumann, O. (2007): Electrophysiological activation by masked primes. Advances in Cognitive Psychology, 3, 449-465. (PDF)
• Klotz, W. & Ansorge, U. (2007): Preceding stimulus awareness augments offset-evoked potentials: Evidence from motion-induced blindness. Psychological Research, 71, 694-702. (PDF)
• Fellows, S., Tabaza, R., Heumann, M., Klotz, W., Neumann, O., Schwarz, M., Noth, J., & Töpper, R. (2002). Modification of a functional motor task by non-consciously perceived sensory stimuli. Neuroreport, 13, 637-640.
• Ansorge, U., Scharlau, I., Heumann, M., & Klotz, W. (2001). Visual conscious perception is grounded in a nonconscious sensorimotor domain. Behavioral and Brain Sciences, 24, 974-975.
• Klotz, W., & Neumann, O. (1999). Motor activation without conscious discrimination in metacontrast masking. Journal of Experimental Psychology: Human Perception and Performance, 25, 976-992. (PDF)
• Neumann, O., Ansorge, U., & Klotz, W. (1998). Funktionsdifferenzierung im visuellen Kortex: Grundlage für motorische Aktivierung durch nicht bewußt wahrgenommene Reize?. Psychologische Rundschau, 49, 185-196.
• Ansorge, U., Klotz, W., & Neumann, O. (1998). Manual and verbal responses to completely masked (unreportable) stimuli: Exploring some conditions for the metaconstrast dissociation. Perception, 27, 1177-1189.
• Klotz, W., & Wolff, P. (1995). The effect of a masked stimulus on the response to the masking stimulus. Psychological Research / Psychologische Forschung, 58, 92-101. (PDF)
• Neumann, O., & Klotz, W. (1994). Motor responses to non-reportable, masked stimuli: Where is the limit of direct parameter specification?. In C. Umiltà & M. Moskovitch: Attention and Performance XV: Conscious and nonconscious information processing. Cambridge, Mass: MIT Press. (Link)

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No information available

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Former Staff Member

Postal Address

Universität Bielefeld
Fakultät für Psychologie und Sportwissenschaft
Abteilung für Psychologie
Postfach 10 01 31
D-33501 Bielefeld

Research

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• attentional control of eye-movements across time
• visual attention and short-term memory
• The Attentional Blink

Curriculum Vitae

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• Since October 2009: CITEC project "task-based control of visual attention" and PhD student at the Graduate School of the 'Center of Excellence - Cognitive Interaction Technology' (CITEC), Bielefeld University, Germany. Supervisor: Prof. Dr. Werner Schneider (Neuro-Cognitive Psychology).
• 2006-2009: Student Assistant in the Experimental Psychology Unit (AE01), Bielefeld University
• 2004-2009: Diploma study program 'Psychology', Bielefeld University, Germany; Thesis on the Attentional Blink

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