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Information Journal Paper

Title

THE EFFECTS OF FEEDING TIMES ON LOCOMOTOR ACTIVITY IN RATS BEFORE AND AFTER SUPRACHIASMATIC NUCLEUS LESION

Pages

  35-43

Abstract

 Two questions about food center of circadian clock are: 1) where is the food center of circadian clock? 2) What is the relationship of food center and light center of circadian clock? This study has described fasting induced changes at dawn and dusk on LOCOMOTOR ACTIVITY and investigated the possible role of SUPRACHIASMATIC NUCLEUS (SCN) and FEEDING center of circadian clock in these changes and tries to answer to these questions. Experiment was done in the following order: (1) Effect of light-dark cycle with food adlibitum (only light center of circadian clock is active) and in this situation LOCOMOTOR ACTIVITY in the first hour of night was more than the last hour of night. (2) Effect of light-dark cycle with restricted FEEDING (both light and food center of circadian clock is active). In our experiment, LOCOMOTOR ACTIVITY has no difference in the last hour of night and first hour of night (3) Effect of SCN lesions with restricted FEEDING (only food center of circadian clock is active). In this situation LOCOMOTOR ACTIVITY in the last hour of night was more significant than the first hour of night. We concluded: 1) the food center is separated from SCN 2) Food center is more potent than light center. 3) Food center receives light information and food center of circadian clock do not receive this information directly from SCN. 4) The power of food center in the last hour of night is more than the first hour of night but the action of light center of circadian clock in the fIrst hour of night is more prominent than the last hour of night. 5) Circadian clock can integrate photic and non-photic cues.6) Death from surgery was more in the last hour of night than first hour of night probably due to action of circadian clock.      

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    APA: Copy

    GHIASI, S., SADR, S.SH.A.D., & GHARIBZADEH, SH.. (2002). THE EFFECTS OF FEEDING TIMES ON LOCOMOTOR ACTIVITY IN RATS BEFORE AND AFTER SUPRACHIASMATIC NUCLEUS LESION. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 5(1 (13)), 35-43. SID. https://sid.ir/paper/52509/en

    Vancouver: Copy

    GHIASI S., SADR S.SH.A.D., GHARIBZADEH SH.. THE EFFECTS OF FEEDING TIMES ON LOCOMOTOR ACTIVITY IN RATS BEFORE AND AFTER SUPRACHIASMATIC NUCLEUS LESION. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2002;5(1 (13)):35-43. Available from: https://sid.ir/paper/52509/en

    IEEE: Copy

    S. GHIASI, S.SH.A.D. SADR, and SH. GHARIBZADEH, “THE EFFECTS OF FEEDING TIMES ON LOCOMOTOR ACTIVITY IN RATS BEFORE AND AFTER SUPRACHIASMATIC NUCLEUS LESION,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 5, no. 1 (13), pp. 35–43, 2002, [Online]. Available: https://sid.ir/paper/52509/en

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