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Journal Article

The cortical representation of object motion in man is interindividually variable

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Patzwahl, D., Elbert, T., Zanker, J., & Altenmüller, E. (1996). The cortical representation of object motion in man is interindividually variable. NeuroReport, 7(2), 469-472. doi:10.1097/00001756-199601310-00022.


Cite as: http://hdl.handle.net/21.11116/0000-0006-0E1E-B
Abstract
Cortical areas processing visual motion have been well investigated in monkeys, but comparatively little is known about these areas in man. In order to define such cortical areas in the brains of individuals, the magnetic field was recorded while subjects were watching motion-defined static and moving objects. The magnetic response showed a transient component with a clear dipolar magnetic field followed by a sustained component which exhibited some variation in magnetic field structure over time. For the transient component, the single equivalent current dipoles superimposed upon magnetic resonance images for individual subjects were clearly localized outside the primary visual areas. In most cases the neural generator was found in the region of the temporo-parieto-occipital junction of the lateral cortex. The results also suggest that the activated cortical area show interindividual variations in location.