The sensory contribution of a single vibrissa’s cortical barrel

Hutson K. A and Masterton R. B (1986)

Comments: 

All sensory data are present in the receptors (skin, ear, retina) but the data gain useful meaning to the organism (e.g. how to interact with the object) only when they can be connected to stored knowledge. After sensory cortical ablation, sensory data can be acted on but those data are not perceived as part of real objects — thus, agonosia.

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Mathew