Literature DB >> 2765914

Entrainment of the circadian rhythm of wheel-running activity is phase shifted by ablation of the intergeniculate leaflet.

G E Pickard1.   

Abstract

The phase angle of entrainment of golden hamster wheel-running activity was determined before and after bilateral destruction of the intergeniculate leaflet (IGL). Animals were maintained under continuous dim light which rhythmically varied in intensity (10-5 lux) in the form of a sine wave with a 24 h period. The phase angle of entrainment changed significantly following IGL ablation suggesting a role for the IGL in entrainment.

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Year:  1989        PMID： 2765914     DOI： 10.1016/0006-8993(89)90154-6

Source DB:  PubMed          Journal:  Brain Res        ISSN： 0006-8993            Impact factor:   3.252


  6 in total

1.  Functional and anatomical variations in retinorecipient brain areas in Arvicanthis niloticus and Rattus norvegicus: implications for the circadian and masking systems.

Authors:  Dorela D Shuboni-Mulligan; Breyanna L Cavanaugh; Anne Tonson; Erik M Shapiro; Andrew J Gall
Journal:  Chronobiol Int       Date:  2019-08-23       Impact factor: 2.877

2.  Dim nighttime illumination alters photoperiodic responses of hamsters through the intergeniculate leaflet and other photic pathways.

Authors:  J A Evans; S N Carter; D A Freeman; M R Gorman
Journal:  Neuroscience       Date:  2011-12-02       Impact factor: 3.590

3.  The role of the intergeniculate leaflet in entrainment of circadian rhythms to a skeleton photoperiod.

Authors:  K Edelstein; S Amir
Journal:  J Neurosci       Date:  1999-01-01       Impact factor: 6.167

4.  Retinohypothalamic projections and immunocytochemical analysis of the suprachiasmatic region of the desert iguana Dipsosaurus dorsalis.

Authors:  D Janik; V M Cassone; G E Pickard; M Menaker
Journal:  Cell Tissue Res       Date:  1994-03       Impact factor: 5.249

Review 5.  Keep Your Mask On: The Benefits of Masking for Behavior and the Contributions of Aging and Disease on Dysfunctional Masking Pathways.

Authors:  Andrew J Gall; Dorela D Shuboni-Mulligan
Journal:  Front Neurosci       Date:  2022-08-09       Impact factor: 5.152

6.  Lesions of the Intergeniculate Leaflet Lead to a Reorganization in Circadian Regulation and a Reversal in Masking Responses to Photic Stimuli in the Nile Grass Rat.

Authors:  Andrew J Gall; Laura Smale; Lily Yan; Antonio A Nunez
Journal:  PLoS One       Date:  2013-06-19       Impact factor: 3.240
  6 in total

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