Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/12828
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dc.contributor.authorMcIntyre, I Men
dc.contributor.authorNorman, Trevor Ren
dc.contributor.authorBurrows, Graham Den
dc.contributor.authorArmstrong, S Men
dc.date.accessioned2015-05-16T02:34:24Z
dc.date.available2015-05-16T02:34:24Z
dc.date.issued1989-05-16en
dc.identifier.citationPsychoneuroendocrinology; 14(3): 187-93en
dc.identifier.govdoc2756073en
dc.identifier.otherPUBMEDen
dc.identifier.urihttps://ahro.austin.org.au/austinjspui/handle/1/12828en
dc.description.abstractNormal control subjects were examined on three separate occasions with light of sufficient intensity to suppress nocturnal plasma melatonin concentrations. One hour of light was given at each of the following times: (a) 2100-2200h; (b) midnight to 0100h; (c) 0400-0500h. Melatonin synthesis was just becoming apparent at 2100h. There was significant suppression of melatonin by light when given at midnight-0100h and 0400-0500h, but not when light was given at 2100-2200h. In each case following light, melatonin synthesis was shown to resume, even after light applied in the second half of the dark period (0400-0500h). A second experiment was undertaken to examine a possible "rebound" in melatonin levels following light given at 2100-2200h. Six further control subjects were exposed to light at this time, and plasma melatonin levels were measured until 0400h. No rebound in melatonin concentrations was observed. These results are compared with other studies of melatonin response to evening light exposure.en
dc.language.isoenen
dc.subject.otherAdulten
dc.subject.otherCircadian Rhythmen
dc.subject.otherFemaleen
dc.subject.otherHumansen
dc.subject.otherLighten
dc.subject.otherMaleen
dc.subject.otherMelatonin.blooden
dc.subject.otherMental Disorders.blooden
dc.titleHuman melatonin response to light at different times of the night.en
dc.typeJournal Articleen
dc.identifier.journaltitlePsychoneuroendocrinologyen
dc.identifier.affiliationDepartment of Psychiatry, University of Melbourne, Austin Hospital, Heidelberg, Victoria, Australiaen
dc.description.pages187-93en
dc.relation.urlhttps://pubmed.ncbi.nlm.nih.gov/2756073en
dc.type.austinJournal Articleen
local.name.researcherNorman, Trevor R
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.fulltextNo Fulltext-
item.grantfulltextnone-
item.languageiso639-1en-
item.openairetypeJournal Article-
crisitem.author.deptPsychiatry (University of Melbourne)-
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