2004
DOI: 10.1023/b:neab.0000036011.57653.fc
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Functional Asymmetry of the Frontal Cortex and Lateral Hypothalamus of Cats During an Operant Food-Related Conditioned Reflex

Abstract: The extent of correlation and the latency of evoked potentials to sound, recorded bilaterally in the frontal cortex and lateral hypothalamus of cats, were studied at different stages of the acquisition of an operant food-related reflex and during sudden transfer to 30% food reinforcement. High correlation coefficients between the evoked responses of the cortex and hypothalamus with left-sided dominance were seen in conditions of high levels of food motivation at the beginning of each experiment and in conditio… Show more

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Cited by 4 publications
(6 citation statements)
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“…), and without those hormones the anorexigenic effects of E2 [ 11 , 12 ] may develop more prominently (satiety hormone-like effects are more dominant). In summary, the afore-mentioned results, together with the existence of unilateral feeding pathways connecting hypothalamic structures to asymmetric brain areas [ 14 16 ], further support the idea that the food-intake related hypothalamic functions show a lateralized distribution between the two hypothalamic hemispheres.…”
Section: Resultsmentioning
confidence: 60%
See 1 more Smart Citation
“…), and without those hormones the anorexigenic effects of E2 [ 11 , 12 ] may develop more prominently (satiety hormone-like effects are more dominant). In summary, the afore-mentioned results, together with the existence of unilateral feeding pathways connecting hypothalamic structures to asymmetric brain areas [ 14 16 ], further support the idea that the food-intake related hypothalamic functions show a lateralized distribution between the two hypothalamic hemispheres.…”
Section: Resultsmentioning
confidence: 60%
“…Specifically, E2, besides coordinating female reproduction, also plays a key role in the regulation of appetite and energy expenditure as an anorexigenic factor [ 11 13 ]. Together with the existence of unilateral feeding pathways that connect hypothalamic structures to brain areas with asymmetric functions [ 14 16 ], this double role of E2 suggests that the hypothalamic regulation of food-intake may be just as lateralized as the regulation of reproductive functions.…”
Section: Introductionmentioning
confidence: 99%
“…In line with these, earlier studies have already described the existence of unilateral feeding pathways connecting hypothalamic structures to brain areas with asymmetric functions [25,37,38]. Beyond this, left-sided dominance under food deprivation has been observed in cats and rabbits [25,39] suggesting that this kind of bias in food searching and food intakerelated motivation might be a general phenomenon in many mammals.…”
Section: Food Intakementioning
confidence: 63%
“…Thus, the consideration of the lateralized control of reproductive events is now recommended and should be taken into account regarding the control of feeding behavior and food intake [25,26].…”
Section: Introductionmentioning
confidence: 99%
“…There are reports to suggest that unilateral neural pathways connect feeding centers to hypothalamic structures with asymmetric functions [56][57][58]. It is also well known that estrogen is not only a sex hormone, but also plays roles in the regulation of many (mainly trophic) functions, including the regulation of energy homeostasis (foodintake, energy expenditure, etc.).…”
Section: Regulation Of Food Intake and Energy Metabolismmentioning
confidence: 99%