Abstract：
:The human oculomotor system becomes active long before birth. At about 16 weeks (post-menstrual age) the first slow changes of eye position can be observed with the aid of real time ultrasonography. At 18-20 weeks more rapid eye movements are detectable. There is a gradual decline in the percentage of time spent in rapid and slow eye movements from 32-40 weeks. These eye movements are organized in episodes of activity, divided by episodes of quiescence which are at first unrelated to cyclical changes in other variables (such as breathing movements, body movements and fetal heart rate patterns). At about 36 weeks gestation, REM and non-REM episodes become linked with other changes and then represent behavioural states identical to those seen in the newborn infant. This organization of behavioral states in the fetus is identical with that found in preterm infants of comparable age. Opening of eyelids is difficult to see before birth but the existence of episodes of wakefulness seems most probable. Hence fetal eye movements will be in part related to wakefulness. In the newborn at term, the interval distributions of REMs during sleep and of scanning eye movements during wakefulness are statistically different.
journal_name
Behav Brain Resjournal_title
Behavioural brain researchauthors
Prechtl HF,Nijhuis JGdoi
10.1016/0166-4328(83)90157-2subject
Has Abstractpub_date
1983-10-01 00:00:00pages
119-24issue
1eissn
0166-4328issn
1872-7549pii
0166-4328(83)90157-2journal_volume
10pub_type
杂志文章abstract：:Pit vipers use infrared-sensitive pit organs to accurately target homeothermic prey even in the absence of visual cues. It has been suggested that other vipers, including large ambush predators of the genus Bitis, also may use radiant infrared information for predatory targeting. We compared behavioral responses of pi...
journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2004.01.020
更新日期：2004-09-23 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章,评审
doi：10.1016/0166-4328(94)90017-5
更新日期：1994-06-30 00:00:00
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journal_title：Behavioural brain research
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journal_title：Behavioural brain research
pub_type： 杂志文章,评审
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更新日期：1996-01-01 00:00:00
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journal_title：Behavioural brain research
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pub_type： 杂志文章
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journal_title：Behavioural brain research
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doi：10.1016/j.bbr.2008.08.012
更新日期：2009-01-30 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2016.08.056
更新日期：2017-01-01 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2017.03.031
更新日期：2017-06-01 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2007.07.030
更新日期：2008-01-10 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2007.09.013
更新日期：2008-03-05 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/0166-4328(96)00014-9
更新日期：1996-09-01 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/0166-4328(88)90029-0
更新日期：1988-08-01 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/s0166-4328(05)80134-2
更新日期：1992-05-08 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2008.10.039
更新日期：2009-03-02 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2016.01.020
更新日期：2016-04-01 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/s0166-4328(00)00258-8
更新日期：2000-11-01 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2015.03.005
更新日期：2015-06-01 00:00:00
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journal_title：Behavioural brain research
pub_type： 临床试验,杂志文章
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更新日期：1996-01-01 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
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更新日期：2016-03-01 00:00:00
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更新日期：2014-03-15 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2009.03.002
更新日期：2009-08-12 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/0166-4328(90)90079-t
更新日期：1990-11-30 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
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更新日期：2021-02-05 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2017.08.045
更新日期：2018-01-15 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章,评审
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更新日期：2015-05-15 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
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更新日期：2011-01-20 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/s0166-4328(02)00273-5
更新日期：2003-03-18 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2015.06.007
更新日期：2015-10-01 00:00:00
abstract：:The present experiment was designed to examine the effects of prenatal stress and gender in latent inhibition. Prenatal stress has been proposed as a risk factor both for depression and for schizophrenia, and both of these syndromes are associated with alterations in the functional state of the dopamine system. There ...
journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2004.09.013
更新日期：2005-03-30 00:00:00
