Input — Dependent 2-Deoxy-D-Glucose Uptake in the Central Auditory System of Rana Temporaria
The (14C)-deoxyglucose — technique developed by Sokoloff et al. (1977), can be used to quantify regional cerebral energy metabolism in specific discrete structures of the brain. It had been used successfully to analyse the relationship between sensory input and patterned neuronal activity in different systems. For instance, Sokoloff (1975) and Kennedy et al. (1975) studied the metabolic activity in the visual system of the rhesus monkey with intact binocular vision as well as after uni- and bilateral eye occlusion. They found that the pattern of 2-DG uptake closely coincided with the changes in functional activity expected from known properties of the visual system. They were able to demonstrate ocular dominance columns in the striate cortex originally described by Hubel and Wiesel (1962 and 1972) by means of electrophysiological and autoradiographic studies on the visual cortex of the cat and the macaque monkey. Hubel et al. (1978) used the 2-DG technique to demonstrate orientation columns in the monkey’s visual cortex. Through olfactory stimulation with specific odours it has been shown that specific spatial patterns of neuronal activity participate in coding the sensory information.
KeywordsAuditory System Macaque Monkey Rana TEMPORARIA Guinea Fowl Olfactory Stimulation
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