Svein Magnussen, Professor Dr.philos. Member of the Norwegian Academy of Science and Letters

Research areas: Low-level and higher-level visual processes, visual cognition and cognitive neuropsychology, applied cognitive psychology

Ongoing projects: Short-term and long-term explicit and implicit visual memory, attention and capacity limitation in perception and memory, left versus right hemisphere function in visual information processing, brain imaging of cognitive functions by multiple electrode ERP and fMRI, mental representation of everyday scenes, memory and eyewitness testimony.

International collaborations: Dr. M.W. Greenlee, Department of Psychology, University of Oldenburg, Germany; Dr. L. Spillmann, Brain Research Unit, University of Freiburg, Germany; Dr. J.P. Thomas, Psychology Department, UCLA, USA


Publications 1995-2000

Jacobsen, C., Magnussen, S. & Sundet, J.M. (1995). Preferential looking: A sudden change in visual fixation pattern at 32 months of age. Scandinavian Journal of Psychology 36, 323-326.

Grenness, C.E., Magnussen, S. & Worren, N.A.M. (1995). Hvor mange ord er et bilde verdt? (How many words is a picture worth?) Nytt Norsk Tidsskrift 12, 338-347.

Korsnes, M.A., Magnussen, S. & Reinvang, I. (1996). Serial position effects in visual short-term memory for words and abstract spatial patterns. Scandinavian Journal of Psychology 37, 62-73.

Magnussen, S., Greenlee, M.W. & Thomas, J.P. (1996). Parallel processing in visual short-term memory. Journal of Experimental Psychology: Human Perception and Performance 22, 202-212.

Korsnes, M.S. & Magnussen, S. (1996). Age comparisons of serial position effects in visual short-term memory. Acta Psychologica 94, 133-143.

Magnussen, S. (1996). Hukommelse: forskning og etterforskning. (Memory: forensic and scientific research). In Minnet, pp. 17-28. Oslo: Stiftelsen Norsk etnologisk gransking.

Magnussen, S. (1997). Ubevisst persepsjon: fiksjon eller faktum? (Unconscious perception: facts or fiction?). In F. Svartdal og G. Overskeid (Eds.), Det ubevisste i moderne vitenskap, pp. 72-87. Oslo: Gyldendal Ad Notam.

Magnussen, S., Dyrnes, S. & Nordby, K. (1997). Micro-position effects in visual short-term memory. Scandinavian Journal of Psychology 38, 139-142.

Magnussen, S. & Greenlee, M.W. (1997). Competition and sharing of processing resources in visual discrimination. Journal of Experimental Psychology: Human Perception and Performance 22, 1603-1616.

Jacobsen, K., Magnussen, S. & Smith, L. (1997). Hidden visual capabilities of mentally retarded subjects diagnosed as deaf-blind. Vision Research 37, 2931-2935.

Greenlee, M.W. & Magnussen, S. (1998). Limited-capacity mechanisms of visual discrimination. Vision Research 38, 375-385.

Magnussen, S., Idaas, E. & Holst Myhre, S. (1998). Representation of orientation and spatial frequency in perception and memory. A choice reaction-time analysis. Journal of Experimental Psychology: Human Perception and Performance 24, 707-718..

Reinvang, I., Greenlee, M.W., Magnussen, S., Kraemer, F.M. & Hennig, J. (1998). Neocortical areas underlying visual short-term memory: Evidence from fMRI. NeuroImage Supplement 7, 846.

Reinvang, I., Magnussen, S., Greenlee, M.W. & Larsson, P.G. (1998). Electrophysiological localization of cortical regions involved in perceptual memory. Experimental Brain Research 123, 481-484

Magnussen, S. & Overskeid, G. (1998). Pĺliteligheten av řyenvitneforklaringer (The reliability of eye witness testimony). Lov og Rett, no. 4, 387-419.

Watten, R., Magnussen, S. & Greenlee, M.W. (1998). Spatial frequency discrimination, brain lateralization and acute intake of alcohol. Perception 27, 729-736.

Magnussen, S. & Greenlee, M.W. (1999). The psychophysics of perceptual memory. Psychological Research, 62, 81-92.

Nordby, K., Watten, R., Raanaas, R.K. & Magnussen, S. (1999). Effect of moderate doses of alcohol on short-term memory for numbers: Some implications for information technology. Journal of Studies on Alcohol, 60. 873-878.

Billaud Feragen, K.J., Semb, G. & Magnussen, S. (1999). Asymmetry of left versus right unilateral cleft impairments: An experimental study of face perception. Cleft Palate-Craniofacial Journal, 36, 527-532.

Greenlee, M.W., Magnussen, S. & Reinvang, I. (2000). Brain regions involved in spatial frequency discrimination: evidence from fMRI. Experimental Brain Research, in press.

Magnussen, S. (2000) Low-level memory processes in vision. Trends in Neurosciences, 23, 247-251.

Thomas, J.P., Magnussen, S. & Greenlee, M.W. (2000). What limits simultaneous discrimination accuracy? Vision Research, in press.

Magnussen, S. The psychology of visual memory. In W. Kintsch (Ed), The International Encyclopedia of the Behavioural and Social Sciences, Volume on Cognitive Psychology and cognitive science, Elsvier. To appear in 2001.

Helstrup, T. & Magnussen, S. Mental representation of every-day sceneries. Submitted

Reinvang, I., Magnussen, S & Greenlee, M.W. Visual discrimination and memory: ERP-evidence for the spatial frequency hypothesis of hemispheric asymmetry. Submitted.

Nordby, K., Raanaas, R.K. & Magnussen, S (1999). The expanding telephone number I: Keying briefly presented multiple-digit numbers. Submitted

Raanaas, R.K., Nordby, K. & Magnussen, S. (1999). The expanding telephone number II: Age variations in immediate memory for multiple-digit numbers. Submitted

Ihlebaek, C., Löve, T., Eilertsen, D.E. & Magnussen, S. (1999). Witness to robbery: A comparison of memory in realistic field settings and in the laboratory. Submitted

Magnussen, S., Spillmann, L., Stürzel, F. & Teichman, R. Foveal blue scotoma demontrates active filling-in. Submitted


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