October 9, 2025Open Access

Direct encoding of new visual concepts in early visual cortex

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Observational analysis tracked memory formation with functional MRI, indicating rapid concept learning.

Concept learning led to 24h-stable changes in functional responses in the early visual cortex, enhancing performance.
Memory formation tracked through functional and diffusion-weighted MRI showed microstructural changes correlating with learning.
Detailed item-context learning caused similar adaptations in posterior parietal areas, underscoring flexible learning mechanisms.
Findings suggest the neocortex can rapidly learn visual concepts without prior knowledge, challenging existing memory models.

Klinkowski et al. (2025) studied this question.

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