Abstract:
UNLABELLED:Autonomic control of blood pressure (BP) and heart rate (HR) was tested in offspring of rat dams that were unmanipulated (controls) or exposed repeatedly to either (1) Postnatal restraint, (2) Postnatal s.c. injections of alkaline saline, or (3) Prenatal s.c. alkaline saline. Under urethane anesthesia, BP was higher than control in 20-day-old offspring of restrained dams and lower at 80 days. The magnitude of the BP response to autonomic ganglionic blockade (chlorisondamine) changed in parallel; the control HR accelerator response was reversed at 20 days and enhanced at 80 days. Postnatal maternal injections increased BP in 20-day-old offspring and lowered it at 80 days. The BP response to blockade was unchanged; HR acceleration was attenuated at 20 days and increased at 80 days. No influence of Prenatal maternal injections was seen in adult offspring. CONCLUSION:Post--not prenatal maternal stress disrupts BP and HR control in rat offspring; disruption is greater after restraint than injection. There is sympathetic hyperactivity in preweanlings and hypoactivity in adults.
journal_name
Dev Psychobioljournal_title
Developmental psychobiologyauthors
Mills E,Bruckert JW,Smith PGdoi
10.1002/dev.420230806subject
Has Abstractpub_date
1990-12-01 00:00:00pages
839-47issue
8eissn
0012-1630issn
1098-2302journal_volume
23pub_type
杂志文章abstract::In contrast to other aspects of species-specific development, language development represents both the universal thrust of biologically based capacities and the socially differentiated results of human experience in culturally structured worlds. This article presents a theoretical approach for understanding the ways t...
journal_title:Developmental psychobiology
pub_type: 杂志文章
doi:10.1002/dev.420230712
更新日期:1990-11-01 00:00:00
abstract:BACKGROUND:Drinking alcohol during pregnancy is considered a risk factor for child development; however, child biomarkers of prenatal alcohol exposure have been rarely studied. We examined whether a meconium alcohol metabolite (ethyl glucuronide, EtG) was associated with child cortisol concentrations at primary school ...
journal_title:Developmental psychobiology
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journal_title:Developmental psychobiology
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更新日期:2010-03-01 00:00:00
abstract::The neurological development of the kitten was studied from birth to 120 days of age. Three motor features present at birth disappeared within the 1st 45 days of life. The labyrinthine head and body righting reactions were present at birth; the latter matured only by 25 days of age when the air righting reaction (matu...
journal_title:Developmental psychobiology
pub_type: 杂志文章
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journal_title:Developmental psychobiology
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doi:10.1002/dev.420210705
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journal_title:Developmental psychobiology
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更新日期:1989-12-01 00:00:00
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journal_title:Developmental psychobiology
pub_type: 杂志文章
doi:10.1002/dev.420230506
更新日期:1990-07-01 00:00:00
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更新日期:2008-01-01 00:00:00
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journal_title:Developmental psychobiology
pub_type: 杂志文章
doi:10.1002/dev.420090404
更新日期:1976-07-01 00:00:00
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journal_title:Developmental psychobiology
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更新日期:2009-05-01 00:00:00
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更新日期:2011-09-01 00:00:00
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journal_title:Developmental psychobiology
pub_type: 杂志文章,评审
doi:10.1002/(SICI)1098-2302(199604)29:3<219::AID-DEV3>
更新日期:1996-04-01 00:00:00
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更新日期:2021-01-28 00:00:00
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更新日期:2008-05-01 00:00:00
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journal_title:Developmental psychobiology
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更新日期:1976-03-01 00:00:00
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journal_title:Developmental psychobiology
pub_type: 杂志文章
doi:10.1002/dev.420180406
更新日期:1985-07-01 00:00:00
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journal_title:Developmental psychobiology
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更新日期:2007-11-01 00:00:00
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journal_title:Developmental psychobiology
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journal_title:Developmental psychobiology
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abstract::Fluctuations in body movement and visual inspection were measured over minutes in 3-month-old infants to look for evidence of coupling. In Experiment 1, infants (n = 12) looked ad libitum at two identical pictures for an average of 7.3 min. Analysis of the spontaneous fluctuations in movement and inspection revealed t...
journal_title:Developmental psychobiology
pub_type: 杂志文章
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更新日期:2001-09-01 00:00:00
abstract::The idea of the innate and the acquired is a part of folk-biology but is also used by biologists, psychologists and cognitive scientists in their disciplines. Are they right to do so? Innateness is often defined by appealing to the role of genes in development, to the role of Darwinian evolution in shaping development...
journal_title:Developmental psychobiology
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更新日期:2007-12-01 00:00:00
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journal_title:Developmental psychobiology
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journal_title:Developmental psychobiology
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