Dr. Matthias Gamer, Dipl. Psych.
Publications
Articles
- M. Gamer, O. Klimecki, T. Bauermann, P. Stoeter, & G. Vossel (in press). Distinct fMRI-activation patterns in the detection of concealed information rely on memory-related effects. Soc Cogn Affect Neurosci, doi:10.1093/scan/nsp005.
- B. Oertel, C. Preibisch, T. Martin, C. Walter, M. Gamer, R. Deichmann, & J. Lötsch (in press). Separating the brain processing of pain from that of quantitative stimulus evaluation. Hum Brain Mapp, doi:10.1002/hbm.21256.
- J. Peth, G. Vossel, & M. Gamer (in press). Emotional arousal modulates the encoding of crime related details and corresponding physiological responses in the Concealed Information Test. Psychophysiology.
- M.T.P. Adam, M. Gamer, J. Krämer, & C. Weinhardt (2011). Measuring emotions in electronic markets. ICIS 2011 Proceedings, Paper 1.
- S. Boll, M. Gamer, R. Kalisch, & C. Büchel (2011). Processing of facial expressions and their significance for the observer in subregions of the human amygdala. NeuroImage, 56:299-306.
- S. Brassen, M. Gamer, & C. Büchel (2011). Anterior cingulate activation is related to a positivity bias and emotional stability in successful aging. Biol Psychiatry, 70:131-137.
- M. Gamer, H. Hecht, N. Seipp, & W. Hiller (2011). Who is looking at me? The cone of gaze widens in social phobia. Cogn Emot, 25:756-764.
- S. Brassen, M. Gamer, M. Rose, & C. Büchel (2010). The influence of directed covert attention on emotional face processing. NeuroImage, 50:545-551.
- C. Civai, C. Corradi-Dell’Acqua, M. Gamer, & R. I. Rumiati (2010). Are irrational reactions to unfairness truly emotionally-driven? Dissociated behavioral and emotional responses in the Ultimatum Game task. Cognition, 114:89-95.
- M. Fechir, M. Gamer, I. Blasius, T. Bauermann, M. Breimhorst, P. Schlindwein, T. Schlereth, & F. Birklein (2010). Functional imaging of sympathetic activation during mental stress. NeuroImage, 50:847-854.
- G.B. Feld, M. Specht, & M. Gamer (2010). Differential electrodermal and phasic heart rate responses to personally relevant information: Comparing sleep and wakefulness. Sleep Biol Rhythms, 8:72-78.
- M. Gamer (2010). Does the Guilty Actions Test allow for differentiating guilty subjects from informed innocents? A re-examination. Int J Psychophysiol, 76:19-24.
- M. Gamer (2010). Does the amygdala mediate oxytocin effects on socially reinforced learning? J Neurosci, 30:9347-9348.
- M. Gamer, & S. Berti (2010). Task relevance and recognition of concealed information have different influences on electrodermal activity and event-related brain potentials. Psychophysiology, 47:355-364.
- M. Gamer, D. Kosiol, & G. Vossel (2010). Strength of memory encoding affects physiological responses in the Guilty Actions Test. Biol Psychol, 83:101-107.
- M. Gamer, B. Zurowski, & C. Büchel (2010). Different amygdala subregions mediate valence related and attentional effects of oxytocin in humans. Proc Natl Acad Sci U S A, 107:9400-9405.
- A. Ehlers, O. Suendermann, I. Boellinghaus, A. Vossbeck-Elsebusch, M. Gamer, E. Briddon, M.W. Martin, & E. Glucksman (2010). Heart rate responses to standardized trauma-related pictures in acute posttraumatic stress disorder. Int J Psychophysiol, 78:27-34.
- C. Muelenz, H. Hecht, & M. Gamer (2010). Testing the egocentric mirror-rotation hypothesis. Seeing Perceiving, 23:373-383.
- D. Oberfeld, H. Hecht, & M. Gamer (in press). Surface lightness influences perceived room height. Q J Exp Psychol, 63:1999-2011.
- O. Suendermann, A. Ehlers, I. Boellinghaus, M. Gamer, & E. Glucksman (2010). Early heart rate responses to standardized trauma-related pictures predict posttraumatic stress disorder: A prospective study. Psychosom Med, 72:301-308.
- M. Fechir, T. Schlereth, S. Kritzmann, S. Balon, N. Pfeifer, C. Geber, M. Breimhorst, T. Eberle, M. Gamer, & F. Birklein (2009). Stress and thermoregulation: Different sympathetic responses and different effects on experimental pain. Eur J Pain, 13:935-941.
- M. Gamer, & C. Büchel (2009). Amygdala activation predicts gaze toward fearful eyes. J Neurosci, 29:9123-9126.
- M. Gamer, & G. Vossel (2009). Psychophysiologische Aussagebeurteilung: Aktueller Stand und neuere Entwicklungen [Psychophysiological detection of deception: Current status and future prospects]. Z Neuropsych, 20:207-218.
- E.H. Meijer, B. Verschuere, A. Vrij, H. Merckelbach, F. Smulders, S. Leal, G. Ben-Shakhar, P.A. Granhag, M. Gamer, N. Gronau, G. Vossel, G. Crombez, S. Spence (2009). A call for evidence-based security tools. Open Access Journal of Forensic Psychology, 1:1-4. [pdf]
- M. Gamer, B. Verschuere, G. Crombez, & G. Vossel (2008). Combining physiological measures in the detection of concealed information. Physiol Behav, 95:333-340.
- M. Gamer, H.W. Gödert, A. Keth, H.-G. Rill, & G. Vossel (2008). Electrodermal and phasic heart rate responses in the Guilty Actions Test: Comparing guilty examinees to informed and uninformed innocents. Int J Psychophysiol, 69:61-68.
- M. Fechir, T. Schlereth, T. Purat, S. Kritzmann, C. Geber, T. Eberle, M. Gamer, & F. Birklein (2008). Patterns of sympathetic responses induced by different stress tasks. Open Neurol J, 2:25-31. [pdf]
- M. Gamer, T. Bauermann, P. Stoeter, & G. Vossel (2007). Covariations among fMRI, skin conductance and behavioral data during processing of concealed information. Hum Brain Mapp, 28:1287-1301.
- M. Gamer, & H. Hecht (2007). Are you looking at me? Measuring the cone of gaze. J Exp Psychol Hum Percept Perform, 33:705-715.
- M. Gamer, H.-G. Rill, G. Vossel, & H.W. Gödert (2006). Psychophysiological and vocal measures in the detection of guilty knowledge. Int J Psychophysiol, 60:76-87.
- H.W. Gödert, M. Gamer, H.-G. Rill, & G. Vossel (2005). Statement validity assessment: Inter-rater reliability of criteria-based content analysis in the mock-crime paradigm. Legal Criminol Psychol, 10:225-245.
- H. Hecht, M. Bertamini, & M. Gamer (2005). Naive optics: Acting on mirror reflections. J Exp Psychol Hum Percept Perform, 31:1023-1038.
Book chapter
- M. Gamer (2011). Detecting concealed information using autonomic measures. In B. Verschuere, G. Ben-Shakhar & E. Meijer (Eds.), Memory detection: Theory and application of the Concealed Information Test (pp. 27-45). Cambridge: University Press.
- M. Gamer (2011). Detecting of deception and concealed information using neuroimaging techniques. In B. Verschuere, G. Ben-Shakhar & E. Meijer (Eds.), Memory detection: Theory and application of the Concealed Information Test (pp. 90-113). Cambridge: University Press.
Popular Science
- M. Gamer (2009). Portrait of a Lie. Scientific American Mind, Issue February/March 2009, 50-55.
- M. Gamer (2008). Die Wahrheit über die Lüge [The truth about the lie]. Gehirn&Geist, Heft Juli/August 2008, 32-37.
Software
- M. Gamer (2007). "irr", Library for R: Various Coefficients of Interrater Reliability and Agreement. Published under GNU General Public License.
Available via www.r-project.org
