Thursday, March 16, 2006

The primary visual cortex is the first area in the brain to receive input from the retina. To scientists' astonishment, a new imaging study has revealed that even this region doesn't simply reflect what's happening at the retina; the information has already taken other factors into account. Thus, two objects that are the same size at the retina, are not the same size in the primary visual cortex -- contextual factors have already been taken into account. Until now it was assumed that the image of an object in the primary visual cortex was a precise reflection of the image on the retina.

And Science & Consciousness Review has a number of articles out, including: How genes make up your mind; Hands Free Isn't Mind Free; Consciousness baffling psychiatrists; Neonate self-awareness questioned; Consciousness is overrated; Feeling by numbers; Decisions with little thought; Metamemory, delusions and schizophrenia; Unconscious math

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