Contact: Dr. Harry Scheinin
Academy of Finland
Caption: This image shows one returning from oblivion -- imaging the neural core of consciousness. Positron emission tomography (PET) findings show that the emergence of consciousness after anesthesia is associated with activation of deep, phylogenetically old brain structures rather than the neocortex. Left: Sagittal (top) and axial (bottom) sections show activation in the anterior cingulate cortex (i), thalamus (ii) and the brainstem (iii) locus coeruleus/parabrachial area overlaid on magnetic resonance image (MRI) slices. Right: Cortical renderings show no evident activations.
Credit: Turku PET Center
Usage Restrictions: Turku PET Centre SCIENTISTS solving the mystery of human consciousness Primitive consciousness emerges first as you awaken from anesthesia
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