In a recent study, Ayzenberg and Behrmann proposed that global object shape representations may not be in the ventral pathway but in the posterior parietal cortex (PPC) of the dorsal pathway. They described global object shape as a spatial arrangement of local features that remains tolerant to variations. Think of it like a master architect planning a city’s layout, taking into account how the different buildings fit together while allowing for variations in their individual features. If this theory is correct, it could revolutionize our understanding of how the brain processes object information. By identifying the PPC as the computation center for global object shape, we may uncover new insights into visual perception and cognition. To dive deeper into this fascinating research on primate brain object representations, check out the full article!
Ayzenberg and Behrmann [1] recently proposed in TiCS that global object shape may not be represented by the primate ventral pathway, but may instead be computed and represented by the posterior parietal cortex (PPC) in the dorsal pathway. Ayzenberg and Behrmann defined global object shape as ‘an object-centered representation that describes the overall form of the object via the spatial arrangement, or structural description, of local features while remaining tolerant to variations among the features themselves’.
Dr. David Lowemann, M.Sc, Ph.D., is a co-founder of the Institute for the Future of Human Potential, where he leads the charge in pioneering Self-Enhancement Science for the Success of Society. With a keen interest in exploring the untapped potential of the human mind, Dr. Lowemann has dedicated his career to pushing the boundaries of human capabilities and understanding.
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