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Dr. Thomas Kammer

Thomas Kammer

Position: Research Scientist Unit: Alumni Bülthoff Alumni Kirschfeld

Publications

Articles (19):
•	Kammer T , Puls K , Strasburger H , Hill NJ and Wichmann FA (January-2005) Transcranial magnetic stimulation in the visual system: I. The psychophysics of visual suppression Experimental Brain Research 160(1) 118-128.
•	Kammer T , Puls K , Erb M and Grodd W (January-2005) Transcranial magnetic stimulation in the visual system: II. Characterization of induced phosphenes and scotomas Experimental Brain Research 160(1) 129-140.
•	Kammer T , Scharnowski F and Herzog MH (June-2003) Combining backward masking and transcranial magnetic stimulation in human observers Neuroscience Letters 343(3) 171-174.
•	Thielscher A and Kammer T (2002) Linking physics with physiology in TMS: A sphere field model to determine the cortical stimulation site in TMS Neuroimage 17(3) 1117-1130.
•	Kammer T and Beck S (2002) Phosphene thresholds evoked by transcranial magnetic stimulation are insensitive to short-lasting variations in ambient light Experimental Brain Research 145(3) 407-410.
•	Kammer T , Rehberg B , Menne D , Wartenberg HC , Wenningmann I and Urban BW (2002) Propofol and Sevoflurane in Subanesthetic Concentrations Act Preferentially on the Spinal Cord: Evidence from Multimodal Electrophysiological Assessment Anesthesiology 97(6) 1416-1425.
•	Kammer T , Beck S , Thielscher A , Laubis-Herrmann U and Topka H (2001) Motor thresholds in humans: a transcranial magnetic stimulation study comparing different pulse waveforms, current directions and stimulator types. Clinical Neurophysiology 112 250-258.
•	Kammer T , Beck S , Erb M and Grodd W (2001) The influence of current direction on phosphene thresholds evoked by transcranial magnetic stimulation Clinical Neurophysiology 112 2015-2021.
•	Kirschfeld K and Kammer T (April-2000) Visual attention and metacontrast modify latency to perception in opposite directions Vision Research 40(9) 1027-1033.
•	Kammer T , Lehr L and Kirschfeld K (March-1999) Cortical visual processing is temporally dispersed by luminance in human subjects Neuroscience Letters 263(2-3) 133-136.
•	Kammer T (1999) Phosphenes and transient scotomas induced by magnetic stimulation of the occipital lobe: their topographic relationship. Neuropsychologia 37 191-198.
•	Kirschfeld K and Kammer T (1999) The Fröhlich effect: a consequence of the interaction of visual focal attention and metacontrast. Vision Research 39 3702-3709.
•	Kammer T , Saleh F , Oepen G , Manschreck T , Seyyedi S , Kanwisher N and Spitzer M (July-1998) Repetition blindness in schizophrenic patients European Archives of Psychiatry and Clinical Neuroscience 248(3) 136-140.
•	Kammer T and Nusseck H-G (1998) Are recognition deficits following occipital lobe TMS explained by raised detection thresholds? Neuropsychologia 36 1161-1166.
•	Spitzer M , Kischka U , Gückel F , Bellemann ME , Kammer T , Seyyedi S , Weisbrod M , Schwartz A and Brix G (1998) Functional magnetic resonance imaging of category-specific cortical activation: Evidence for semantic maps. Cognitive Brain Research 6 309-319.
•	Spitzer M , Kammer T , Bellemann ME , Brix G , Layer B , Maier S , Kischka U and Gückel F (1998) Funktionelle Magnetresonanztomographie in der psychopathologischen Forschung. Fortschritte der Neurologie Psychiatrie 66 241-258.
•	Kammer T , Bellemann ME , Glückel F , Brix G , Gass A , Schlemmer H and Spitzer M (1997) Functional MR imaging of the prefrontal cortex: specific activation in a working memory task. Magnetic Resonance Imaging 15 879-889.
•	Spitzer M and Kammer T (September-1996) Combining neuroscience research methods in psychopathology. Current Opinion in Psychiatry 9(5) 352-363.
•	Kischka U , Kammer T , Weisbrod M , Maier S , Thimm M and Spitzer M (1996) Dopaminergic modulation of semantic network activation Neuropsychologia 34 1107-1113.
Contributions to books (1):
•	Karnath H-O and Kammer T : Manifestationen von Frontalhirnschädigungen, 515-528. (Ed) H.O. Karnath and P. Thier, Springer Verlag, Berlin, Heidelberg, (2003).
Posters (18):
•	Saur R , Erb M , Grodd W and Kammer T (July-2002): Is there domain specificity in prefrontal working memory areas? An event-related fMRI-study, 3rd Forum of European Neuroscience (FENS 2002), Paris, France.
•	Kammer T , Saur R and Scharnowski F (July-2002): Spatial working memory: how to measure accuracy of performance, 3rd Forum of European Neuroscience (FENS 2002), Paris, France.
•	Vorwerg M and Kammer T (February-2002): Der Flash-lag Effekt: Lässt sich eine neuronale Latenzdifferenz für die Wahrnehmung bewegter und geblitzter visueller Reize mit TMS nachweisen?, 5. Tübinger Wahrnehmungskonferenz (TWK 2002), Tübingen, Germany.
•	Saur R , Erb M , Grodd W and Kammer T (February-2002): Gibt es doch eine modalitätspezifsche Segregation des präfrontalen Kortex?: Eine fMRI-Studie, 5. Tübinger Wahrnehmungskonferenz (TWK 2002), Tübingen, Germany.
•	Puls K and Kammer T (February-2002): Maskierung visueller Reize durch Magnetstimulation in zwei Zeitperioden, 5. Tübinger Wahrnehmungskonferenz (TWK 2002), Tübingen, Germany.
•	Saur R , Scharnowski F and Kammer T (2002): Wie kann man räumliches Arbeitsgedächtnis exakt vermessen?, Experimentelle Psychologie. Abstracts der 44. Tagung experimentell arbeitender Psychologen (TeaP).
•	Kammer T and Thielscher A (November-2001): TMS field model links physics and physiology, 31st Annual Meeting of the Society for Neuroscience (Neuroscience 2001), San Diego, CA, USA.
•	Kammer T and Herzog M (March-2001): Discrimination is determined by detection: a TMS study of visual perception, 4. Tübinger Wahrnehmungskonferenz (TWK 2001), Tübingen, Germany.
•	Kammer T , Erb M , Beck S and Grodd W (August-2000): Mapping the visual cortex with stereotactic TMS and functional MRI, 23rd European Conference on Visual Perception (ECVP 2000), Groningen, Netherlands, Perception, 29(ECVP Abstract Supplement) 67.
•	Puls K and Kammer T (August-2000): Masking visual stimuli by transcranial magnetic stimulation: Comparison with masking by light, 23rd European Conference on Visual Perception (ECVP 2000), Groningen, Netherlands, Perception, 29(ECVP Abstract Supplement) 97.
•	Lehr L , Bickford A and Kammer T (February-2000): Dipollokalisationen beim Schachbrett-VEP: Abhängigkeit von räumlicher Frequenz und Stimulationsort im Gesichtsfeld, 3. Tübinger Wahrnehmungskonferenz (TWK 2000), Tübingen, Germany.
•	Puls K and Kammer T (February-2000): Maskierung visueller Reize durch Magnetstimulation, 3. Tübinger Wahrnehmungskonferenz (TWK 2000), Tübingen, Germany.
•	Kammer T , Erb M , Beck S and Grodd W (February-2000): Zur Topographie von Phosphenen: Eine Studie mit fMRT und TMS, 3. Tübinger Wahrnehmungskonferenz (TWK 2000), Tübingen, Germany.
•	Kammer T (2000): Where do we stimulate the brain? A TMS study using a stereotactic positioning device, Society for Neuroscience Abstract, 26 550.17.
•	Kammer T , Lehr L and Kirschfeld K (February-1999): Zeitliche Dispersion im Sehsystem des Menschen, 2. Tübinger Wahrnehmungskonferenz (TWK 99), Tübingen, Germany.
•	Kammer T (November-1998): Phosphenes and transient scotomas induced by magnetic stimulation of the occipital lobe: their topographic relationship, 28th Annual Meeting of the Society for Neuroscience (Neuroscience 1998), Los Angeles, CA, USA.
•	Kirschfeld K and Kammer T (February-1998): Attention and metacontrast: a unifying concept, 1. Tübinger Wahrnehmungskonferenz (TWK 98), Tübingen, Germany.
•	Kammer T and Kirschfeld K (February-1998): Besteht eine topographische Beziehung von Skotom und Phosphen bei Magnetstimulation desvisuellen Kortex?, 1. Tübinger Wahrnehmungskonferenz (TWK 98), Tübingen, Germany.