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6 - From the Highest Echelons of Visual Processing to Cognition

Published online by Cambridge University Press:  05 February 2021

Gabriel Kreiman
Affiliation:
Harvard University, Massachusetts
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Summary

The inferior temporal cortex (ITC) is the highest echelon within the visual stream concerned with processing visual shape information. The Felleman and Van Essen diagram (Chapter 1, Figure 1.5) places the hippocampus at the top. While visual responses can be elicited in the hippocampus, people with bilateral lesions to the hippocampus can still see very well. A famous example is a patient known as H. M., who had no known visual deficit but gave rise to the whole field of memory studies based on his inability to form new memories. The hippocampus is not a visual area and instead receives inputs from all sensory modalities (Chapter 4).

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Chapter
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Publisher: Cambridge University Press
Print publication year: 2021

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References

Further Reading

Arcaro, M. J.; Schade, P. F.; Vincent, J. L.; Ponce, C. .R.; and Livingstone, M. S. (2017). Seeing faces is necessary for face-domain formation. Nature Neuroscience 20: 14041412.Google Scholar
Freedman, D.; Riesenhuber, M.; Poggio, T.; and Miller, E. (2001). Categorical representation of visual stimuli in the primate prefrontal cortex. Science 291: 312316.CrossRefGoogle ScholarPubMed
Hung, C. P.; Kreiman, G.; Poggio, T.; and DiCarlo, J. J. (2005). Fast read-out of object identity from macaque inferior temporal cortex. Science 310: 863866.CrossRefGoogle ScholarPubMed
Liu, H.; Agam, Y.; Madsen, J. R.; and Kreiman, G. (2009). Timing, timing, timing: fast decoding of object information from intracranial field potentials in human visual cortex. Neuron 62: 281290.Google Scholar
Logothetis, N. K., and Sheinberg, D. L. (1996). Visual object recognition. Annual Review of Neuroscience 19: 577621.CrossRefGoogle ScholarPubMed

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