Abstract:
:Continuous recordings of the pattern in food approaches during ad libitum-feeding were obtained from 15 rabbits which were exposed, for periods of 3-7 months, to continuous illumination (200-250 Lux), total darkness, light-dark alternations of L1:D23 h and L12:D12h and were blinded afterwards. It appears that the circadian pattern in food intake differs markedly in these circumstances and that it is governed by 2 loosely coupled circadian oscillators. These widely diverge in their effect on the eating pattern, in the response of their free-running periods to changes in steady state condition of the retina, and in their entrainment to either the onset or the ending of the illumination phases of 24-h LD regimens. The results indicate that the hypothalamic centres controlling the rabbit's food intake pattern must be strongly influenced by the retinal maintained 'dark' discharge.
journal_name
Behav Brain Resjournal_title
Behavioural brain researchauthors
Bobbert AC,Bruinvels DJdoi
10.1016/0166-4328(86)90020-3subject
Has Abstractpub_date
1986-03-01 00:00:00pages
193-204issue
3eissn
0166-4328issn
1872-7549pii
0166-4328(86)90020-3journal_volume
19pub_type
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