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Kari Hoffman, Ph.D. (Alumnus)
Research Scientist |
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MPI for Biological Cybernetics
Dept. Logothetis
Spemannstraße 38
72076 Tübingen
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+49-7071-601-654 |
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L115 |
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kari.hoffman@tuebingen.mpg.de |
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I'm currently investigating the neural bases of face processing and perceptual expertise. Both awake-monkey fMRI and multi-channel electrophysiology will be used to address the following general questions:
(1) How are ethologically relevant aspects of face processing accomplished in the neocortex? (e.g. the identification of individuals, facial expressions, and gaze direction)
(2) How does face perception compare to perception of objects for which one has expertise? Is there a sharing of neural resources, or does the perception of non-face objects involve separate neural populations?
(3) How do groups of neurons change response patterns with learning?
(4) How does ongoing activity relate to stimulus-driven responses to learned stimuli?
By exploring the neural correlates of various behavioral states using ensemble electrode arrays, the formation of cell assemblies may be "caught in the act".
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