Influence of experience on the representation of the “mothering call” in frontoparietal and auditory cortex of pups of the rodent Octodon degus : FDG mapping
作者： S. Braun , H. Scheich
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摘要: Several types and subtypes of vocalizations which have a behavioral impact on degu pups were identified. Among these the complex “mothering call” is exclusively uttered by females first during extensive nursing periods in nest candidate for filial learning. In 14C-2-fluoro-2-deoxyglucose (FDG) experiments two-weeks-old raised normal mothers showed higher metabolic activity somatosensory frontoparietal frontal cortex upon play back mothering call than muted mothers. It suggested that learn to associate with close body contact their mother early life. addition, FDG representation call, its components tone noise stimuli studied auditory cortex. Five fields some aspects tonotopic organization The activated all fields, but more spatial extent labeling normally pups. A rostral field was play-back noise, two-tone sequences, hardly single-frequency tones narrow-band component call.
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