Cited by 93Circadian rhythm and melatoninHypothalamic control of reproductive hormonesSleep and Wakefulness Research

Effect of surgical or photoperiodic castration, testosterone replacement, or pinealectomy on male hamster running rhythmicity

Morin, L.P., Cummings, L.A.·1981·Physiology & Behavior

Integrity signals

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Crossref · 10.1016/0031-9384(81)90106-2

Cites

20 of 20 references verified0 citation errors · 0 not checkable

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  • Castrated adult male rodents under entrained and free-running conditions had activity that was more dispersed across the active period, such that activity at the beginning of their active period in the early night was less cohesive, diminished, lost, or delayed.

    “For example, castrated adult male rodents under entrained and free-running conditions had activity that was more dispersed across the active period [128], such that activity at the beginning of their active period in the early night was less cohesive, diminished, lost, or delayed [47, 49, 78, 90, 128, although see 23 and 80].”
  • Both androgens and estrogens can consolidate rhythms at the beginning of the active period in rodents.

    “This conclusion is consistent with previous data indicating that both androgens and estrogens can consolidate rhythms at the beginning of the active period in rodents [78, 128, 187, 203]”
  • Gonadal hormones are already known to have species-specific effects during adulthood.

    “This would not be an unprecedented conclusion, as gonadal hormones are already known to have species-specific effects during adulthood.”

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Authors
Morin, L. P., & Cummings, L. A.
Affiliations
Dartmouth College (US)
Corresponding author
Morin, L.P.
Venue
Physiology & Behavior
Publisher
Elsevier BV
Published
1981-05
Volume
26
Issue
5
Pages
825-838
ISSN
0031-9384 (ISSN-L)
OpenAlex
W1995997919
Cited by
93
References
20
Citations by year
2023: 1 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 1 · 2018: 4 · 2016: 2 · 2015: 4 · 2014: 2 · 2013: 3 · 2012: 5
FWCI
1.78
Type
journal article
Language
en
Open access
closed
Locations
  • Physiology & Behavior (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
Keywords
wheel running, locomotor rhythm, photoperiod, castration, pinealectomy, testosterone replacement therapy, testicular androgens, gonadal atrophy, circadian rhythm, activity bouts, multiple oscillators, male hamsters, constant darkness
MeSH terms
Animals, Blindness, Castration, Circadian Rhythm, Cricetinae, Light, Male, Mesocricetus, Motor Activity, Pineal Gland, Running, Testosterone

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