Abstract:
:We have developed a rabbit model of in utero exposure to intravenous injections of cocaine given twice daily to dams from gestational days 8-29. At the doses employed (4 mg/kg, injected twice daily), no differences were found in the body weight gain of dams, time to delivery, litter size, and body weight or other physical characteristics of the offspring. However, cocaine-exposed pups displayed an abnormal structural and neurochemical development of the anterior cingulate cortex which persisted into adulthood. In agreement with the known functions of the anterior cingulate cortex, we found that adult, sexually mature rabbits, exposed to cocaine prenatally, demonstrate impairments in motor function, alterations in associative learning and severe impairments in discrimination learning. Moreover, the alterations in discrimination learning were interpreted to be due to deficits in attentional processes. Specifically, cocaine progeny preferentially attend to more salient stimuli even when these are not relevant to the task. Consequently they have difficulty in attending to less salient but relevant stimuli when more salient but irrelevant stimuli occur in the same context. We concluded that the learning deficits are a reflection of the morphologic and neurochemical abnormalities of the anterior cingulate cortex. Alterations in dopamine function of the caudate nucleus may also contribute to the deficits in motor performance.
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Romano AG,Harvey JAsubject
Has Abstractpub_date
1998-06-21 00:00:00pages
89-108eissn
0077-8923issn
1749-6632journal_volume
846pub_type
杂志文章abstract::Sex differences in social behavior are center stage in recent formulations of evolutionary psychology. Evolutionary psychology, with its emphasis on the long-term consequences of early adaptations, offers itself as an alternative meta-theory to mainstream social psychology, which emphasizes the importance of social st...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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更新日期:1985-01-01 00:00:00
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pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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更新日期:1995-03-27 00:00:00
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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更新日期:2009-04-01 00:00:00
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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更新日期:2002-10-01 00:00:00
abstract::Red spruce (Picea rubens Sarg.) and balsam fir (Abies balsamea (L.) Mill.) were present by 13,700 years B.C.E. in the Catskills Mountains of southeastern New York State. These conifers were, and still are, largely confined to the eastern and far western portions of the region. A gap in the distribution exists between ...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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更新日期:1998-11-30 00:00:00
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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更新日期:2017-02-01 00:00:00
abstract::Lewisite and many other similar arsenicals are warfare vesicants developed and weaponized for use in World Wars I and II. These chemicals, when exposed to the skin and other epithelial tissues, cause rapid severe inflammation and systemic damage. Here, we show that topically applied arsenicals in a murine model produc...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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更新日期:2020-11-01 00:00:00
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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更新日期:2011-11-01 00:00:00
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journal_title:Annals of the New York Academy of Sciences
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更新日期:2000-01-01 00:00:00
abstract::The understanding and control of embryo implantation represents the major challenge for assisted reproductive technologies. Along with developments in basic research and efforts to optimize embryo quality, the improvement of noninvasive and reliable methods to assess uterine receptivity constitutes an important step t...
journal_title:Annals of the New York Academy of Sciences
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更新日期:2001-09-01 00:00:00
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journal_title:Annals of the New York Academy of Sciences
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abstract::Twenty-month-old Swiss mice were allocated into three groups: (A) control; (B) infected group; and (C) infected but treated with 5 mg of the phytocompound MMT. Mice were infected intranasally with 30 microL of 75 HA viral units. MMT markedly blunted the nasal signs of virus infection and the febrile response. Formazan...
journal_title:Annals of the New York Academy of Sciences
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更新日期:2006-05-01 00:00:00
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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更新日期:2021-01-01 00:00:00
abstract::B-1 cells represent a subpopulation of B cells that has been extensively studied in mice and shown to spontaneously generate natural antibody that provides antimicrobial protection and helps dispose of cellular debris. Mouse B-1 cells originate from distinct progenitors and express additional immune properties that in...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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更新日期:2015-12-01 00:00:00
abstract::Rickettsiae primarily infect the microvascular endothelium, leading to changes in microvascular permeability that result in potentially severe pulmonary and cerebral edema. The mechanisms responsible for these changes are not well understood. One potential mechanism of increased vascular permeability is the anti-ricke...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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更新日期:2005-12-01 00:00:00