Patterns of increased metabolic activity in somatosensory cortex of monkeys Macaca fascicularis, subjected to controlled cutaneous stimulation: a 2-deoxyglucose study

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Abstract
Six cynomolgus monkeys were used in a [14C]2-deoxyglucose (2-DG) investigation to determine the global pattern of metabolic (functional) activity in the postcentral gyrus. The animals were subjected to unilateral somatic stimulation on their upper extremities. The pattern of labeling in the posterior parietal cortex, the superior and inferior banks of the lateral fissure and the anterior and posterior banks of the superior temporal sulcus was evaluated in the same animals. The patches of 2-DG label share features in common with the functional unit known as the cortical column. Their formation into mediolateral strips may provide a pictorial image of the distribution of functional activity in the postcentral gyrus.