Contractile activity of the uterus prior to labor alters the temporal organization of spontaneous motor activity in the fetal sheep.

abstract：:In hamsters, the maturation of aggression during puberty is associated with a gradual reduction of offensive responses. The purpose of this study was to analyze the changes during this decrease to provide an enhanced description of the behavior. During early puberty, play-fighting is characterized by long and continuo...

journal_title：Developmental psychobiology

authors： Cervantes MC,Taravosh-Lahn K,Wommack JC,Delville Y

更新日期：2007-01-01 00:00:00

abstract：:Norway rats were reared either in a standard laboratory cage or in a nest constructed by the dam from newspaper strips. Growth, thermoregulatory ability, and adrenal, gonad, adipose tissue, and brain weights were measured at weaning on Day 21 postpartum. While there was no difference in growth, nest-reared animals had...

journal_title：Developmental psychobiology

authors： Jans JE,de Villers S,Woodside B

更新日期：1985-07-01 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

authors： Grimm J,Stemmler M,Golub Y,Schwenke E,Goecke TW,Fasching PA,Beckmann MW,Kratz O,Moll GH,Kornhuber J,Eichler A

更新日期：2020-10-03 00:00:00

abstract：:Adult Fischer-344 (F-344) rats fail to prefer NaCl solutions of any concentration to water and, in fact, avoid NaCl at solution concentrations which other strains of rats reliably prefer. In contrast, immature rats of a number of strains have been reported to express an elevated salt preference relative to adults. The...

journal_title：Developmental psychobiology

authors： Bernstein IL

更新日期：1988-11-01 00:00:00

abstract：:Puberty marks the beginning of a period of dramatic physical, hormonal, and social change. This instability has made adolescence infamous as a time of "storm and stress" and it is well-established that stress during adolescence can be particularly damaging. However, prior stress may also shape the adolescent experienc...

journal_title：Developmental psychobiology

authors： Cowan CSM,Richardson R

更新日期：2019-07-01 00:00:00

abstract：:In three experiments the effects of dopamine receptor antagonists on response-contingent punishment and autoshape learning of 1- and 4-day-old chicks were determined. In the first two experiments, 1- or 4-day-old chicks (N = 120) were trained to key-peck for heat reward and then injected intraperitoneally (ip) with ei...

journal_title：Developmental psychobiology

authors： Zolman JF,McDougall SA

更新日期：1990-03-01 00:00:00

abstract：:Preterm infants have maturational delays in several neurobehavioral systems. This study assesses the impact of the Family Nurture Intervention (FNI) in the neonatal intensive care unit (NICU) on the maturation of autonomic regulation of preterm infants. Preterm infants born at 26-34 weeks postmenstrual age (PMA) were ...

journal_title：Developmental psychobiology

authors： Porges SW,Davila MI,Lewis GF,Kolacz J,Okonmah-Obazee S,Hane AA,Kwon KY,Ludwig RJ,Myers MM,Welch MG

更新日期：2019-09-01 00:00:00

abstract：:Patterns of visual interaction in mother-infant dyadic behavior have been reported for human and nonhuman primates, including age and gender differences among rhesus macaques. Such findings are tested with data from two developmental periods (Weeks 1-8 and 21-36) on Japanese macaque mother-infant visual behavior. Rate...

journal_title：Developmental psychobiology

authors： Ehardt CL,Blount BG

更新日期：1984-07-01 00:00:00

abstract：:The present study was designed to investigate cocaine self-administration in adult male and female rats exposed prenatally to morphine. Pregnant dams were injected two times a day with either saline, analgesic doses of morphine or no drug at all (controls) on gestation Days 11-18. One day after birth, litters were cro...

journal_title：Developmental psychobiology

authors： Vathy I,Slamberová R,Liu X

更新日期：2007-07-01 00:00:00

abstract：:The goal of this study was to evaluate lateral preferences in a population of children with intellectual deficiency of idiopathic origin, compared with those of typically developing (TD) children. Two groups of children with mild or moderate intellectual deficiency were observed. Handedness (using a 10-item test and B...

journal_title：Developmental psychobiology

authors： Leconte P,Fagard J

更新日期：2006-09-01 00:00:00

abstract：:The ontogeny of behavioral and heart-rate orienting responses to a novel olfactory stimulus was examined in three experiments. The results of Experiment 1 demonstrated that behavioral responses to the olfactory stimulus were observed as early as Day 1, although heart-rate deceleration in response to the stimulus was n...

journal_title：Developmental psychobiology

authors： Hayne H,Richardson R,Campbell B

更新日期：1991-01-01 00:00:00

abstract：:We examined regional brain electrical activity (EEG), heart rate, and subjective responses at rest and during the presentation of videoclips designed to elicit a range of emotions (e.g., sadness, anger, happiness, fear) among a sample of healthy 4-year-old children selected for temperamental shyness. We found that shy...

journal_title：Developmental psychobiology

authors： Theall-Honey LA,Schmidt LA

更新日期：2006-04-01 00:00:00

abstract：:Honeybees (Apis mellifera) can be readily conditioned in the laboratory to specific odors paired with a subsequent sucrose reward. A series of experiments are reported which demonstrate that the ability of bees to acquire and retain this learning is affected by the stage of behavioral development (caste). Results show...

journal_title：Developmental psychobiology

authors： Ray S,Ferneyhough B

更新日期：1999-01-01 00:00:00

abstract：:Animal models of prenatal ethanol exposure are necessary to more fully understand the effects of ethanol on the developing embryo/fetus. However, most models employ procedures that may produce additional maternal stress beyond that produced by ethanol alone. We employed a daily limited-access ethanol intake model call...

journal_title：Developmental psychobiology

authors： Boehm SL 2nd,Moore EM,Walsh CD,Gross CD,Cavelli AM,Gigante E,Linsenbardt DN

更新日期：2008-09-01 00:00:00

abstract：:Nutritive deprivation, suckling deprivation, gastronintestinal fill, and milk availability contribute to the control of sucking (as measured by jaw-muscle electromyograph) and ingestion of milk (provided via a tongue cannula) in 11-13-day-old rat pups. Depriving pups of the opportunity to suckle reliably increases sub...

journal_title：Developmental psychobiology

authors： Brake SC,Sager DJ,Sullivan R,Hofer M

更新日期：1982-11-01 00:00:00

abstract：:Socioeconomic status (SES) appears to be an important contextual factor in children's developmental outcomes, including their responses to stress. However, some children are more susceptible to its effects than others. Hair cortisol is a newer method of assessing the activity of the HPA axis, providing cumulative cort...

journal_title：Developmental psychobiology

authors： Ertekin Z,Berument SK,Gunnar MR

更新日期：2021-01-01 00:00:00

abstract：:Variations in maternal care influence important life history traits that determine reproductive fitness. The adult female offspring of mothers that show reduced levels of pup licking/grooming (LG; i.e., low-LG mothers) show increased defensive responses to stress, accelerated pubertal development, and greater sexual r...

journal_title：Developmental psychobiology

authors： Parent CI,Del Corpo A,Cameron NM,Meaney MJ

更新日期：2013-11-01 00:00:00

abstract：:Research on stress-sensitive biological systems has typically focused on activation at one time, yet recent theories emphasize dynamic, context-specific adaptation. This study tested hypothesized calibration of one such system by examining both mean levels and longitudinal stability of daily cortisol--reflecting hypot...

journal_title：Developmental psychobiology

authors： Laurent HK,Gilliam KS,Bruce J,Fisher PA

更新日期：2014-09-01 00:00:00

abstract：:Four experiments assessed the acquisition of aversions by preweanling rats to odors experienced during isolation from their home-nest environment. Conditioned aversion occurred for animals given a second novel odor paired with the home-nest environment, depending upon the duration of the odor-isolation pairing. With a...

journal_title：Developmental psychobiology

authors： Smith GJ,Kucharski D,Spear NE

更新日期：1985-09-01 00:00:00

abstract：:It is clear that the ability to learn new speech contrasts changes over development, such that learning to categorize speech sounds as native speakers of a language do is more difficult in adulthood than it is earlier in development. There is also a wealth of data concerning changes in the perception of speech sounds ...

journal_title：Developmental psychobiology

authors： Zevin JD

更新日期：2012-09-01 00:00:00

abstract：:The maternal care received by rat pups malnourished by being rotated between lactating females and nonlactating foster mothers was examined. During the 1st 2 weeks after birth there were no differences in maternal care, but during the 3rd week females caring for pups fed only 8 hr daily nursed more and built better ne...

journal_title：Developmental psychobiology

authors： Fleischer SF,Turkewitz G

更新日期：1981-07-01 00:00:00

abstract：:The CC is the major white matter tract connecting the cerebral hemispheres and provides for interhemispheric integration of sensory, motor and higher-order cognitive information. The midsagittal area of the CC has been frequently used as a marker of brain development in humans. We report the first investigation into t...

journal_title：Developmental psychobiology

authors： Hopkins WD,Phillips KA

更新日期：2010-03-01 00:00:00

abstract：:Our study compared means-end exploration in infants at risk (AR) for autism and typically developing (TD) infants using a nested box paradigm. Sixteen AR and 16 TD infants were observed at 9, 12, and 15 months with follow-up at 18 and 24 months. We collected video data on three tasks involving retrieval of a small toy...

journal_title：Developmental psychobiology

authors： Srinivasan SM,Bhat AN

更新日期：2019-03-01 00:00:00

abstract：:Adult patients with damage centered around the frontal eye fields are severely impaired in the ability to suppress unwanted automatic saccades and in the ability to make volitional eye movements. Over the first few weeks of life most saccades generated by infants appear to be automatic, and are triggered in response t...

journal_title：Developmental psychobiology

authors： Johnson MH

更新日期：1995-07-01 00:00:00

abstract：:Despite evidence that acute stress impairs attention in adults, there has been minimal research in children. Here, the effects of acute stress on Go/No-go performance were examined in young children (M age = 5.41 years). Given the critical role of the parent-child relationship to children's self-regulatory development...

journal_title：Developmental psychobiology

authors： Roos LE,Giuliano RJ,Beauchamp KG,Berkman ET,Knight EL,Fisher PA

更新日期：2020-05-01 00:00:00

abstract：:Using a soft rubber plug to block airflow in one naris, Kucharski, Johanson, and Hall (1986) found that some forms of olfactory memory (e.g., odor preferences) were lateralized in young rats while other forms (e.g., conditioned activation and mouthing) were not. The present experiments extended that research by showin...

journal_title：Developmental psychobiology

authors： Weber M,Paxinos G,Richardson R

更新日期：2000-11-01 00:00:00

abstract：:Primiparous female mice of 2 lines genetically selected for different narcotic responses to ethanol were administered 10% (v/v) ethanol in their drinking water during Days 2-14 of lactation. Ethanol treatment resulted in a marked decrease in growth and viability of pups in both lines. Fewer offspring of the ethanol-se...

journal_title：Developmental psychobiology

authors： Swanberg KM,Wilson JR

更新日期：1979-01-01 00:00:00

abstract：:Weanling mice were reared in environmental enrichment and/or impoverishment conditions for 2 months. In the 1st experiment, mice were switched from 1 environment into the other after 1 month, and maintained in the opposite environment for 2 or 4 weeks. Switched and nonswitched groups were compared to establish whether...

journal_title：Developmental psychobiology

authors： Klippel JA

更新日期：1978-11-01 00:00:00

abstract：:Fear conditioning studies in adults have found that posttraumatic stress disorder (PTSD) is associated with heightened fear responses and impaired discrimination. The objective of the current study was to examine the association between PTSD symptoms and fear conditioned responses in children from a highly traumatized...

journal_title：Developmental psychobiology

authors： Gamwell K,Nylocks M,Cross D,Bradley B,Norrholm SD,Jovanovic T

更新日期：2015-11-01 00:00:00

abstract：:An autoshaping procedure was used to test the notion that conditioned stimuli (CSs) gain greater incentive salience during adolescence than young adulthood under conditions of social isolation rearing and food restriction. Rats were single-housed and placed on food restriction during 10 daily training sessions in whic...

journal_title：Developmental psychobiology

authors： DeAngeli NE,Miller SB,Meyer HC,Bucci DJ

更新日期：2017-11-01 00:00:00